WO2007125958A1 - テンサイ黒根病抵抗性品種選抜マーカーとその選抜方法 - Google Patents
テンサイ黒根病抵抗性品種選抜マーカーとその選抜方法 Download PDFInfo
- Publication number
- WO2007125958A1 WO2007125958A1 PCT/JP2007/058952 JP2007058952W WO2007125958A1 WO 2007125958 A1 WO2007125958 A1 WO 2007125958A1 JP 2007058952 W JP2007058952 W JP 2007058952W WO 2007125958 A1 WO2007125958 A1 WO 2007125958A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sugar beet
- resistant
- dna
- black rot
- seq
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q1/00—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
- C12Q1/68—Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
- C12Q1/6876—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
- C12Q1/6888—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for detection or identification of organisms
- C12Q1/6895—Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for detection or identification of organisms for plants, fungi or algae
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q2600/00—Oligonucleotides characterized by their use
- C12Q2600/13—Plant traits
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Q—MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEIC ACIDS OR MICROORGANISMS; COMPOSITIONS OR TEST PAPERS THEREFOR; PROCESSES OF PREPARING SUCH COMPOSITIONS; CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL OR ENZYMOLOGICAL PROCESSES
- C12Q2600/00—Oligonucleotides characterized by their use
- C12Q2600/156—Polymorphic or mutational markers
Definitions
- the present invention relates to a primer as a selection marker for sugar beet black rot resistant varieties, a method for selecting the same, a sugar beet black resistant cultivar obtained by the method, and a method for identifying a sugar beet black resistant gene.
- Sugar beet root disease is caused by infecting Beta genus plants such as sugar beet (Beta vulgaris L.), which is a sugar-producing crop, by Aphanomyces cochlioides, a type of soil filamentous fungus. It is a difficult-to-control disease that develops. The main symptom is known as seedling blight, in which seedlings die off at the seedling stage, and root rot symptoms where wet black spots appear in the roots as shown in Fig. 1 at the late growth stage. (Non-patent document 1). The disease is caused not only by the production of sugar beets, but also by serious damage such as reduction of yield and infection to other sugar beets in the pile. In both cases, it is a major problem both in terms of contamination and reduction in sugar yield (Non-patent Document 2).
- sugar beet root resistance varieties and sugar beet root resistance genes have been obtained.
- Non-Patent Document 1 Tsutomu Hatakeyama, Fumio Tanaka, Tenna Kenkyukai, 2000, 42: 59-63.
- Non-Patent Document 2 Taguchi Kazunori, Ogata Naosuke, Tanaka Seikatsu, Tenna Kenkyukai, 2001, 43: 36-
- Non-Patent Document 3 Vos P, et al., Nucleic Acid Res., 1995, 23: 4407-4414
- an object of the present invention is to develop an effective countermeasure method against sugar beet black root disease, thereby preventing reduction in sugar yield. Therefore, the first invention of the present application provides a method for finding a variety having resistance to sugar beet black root disease and selecting the variety with high accuracy by a molecular biological technique that does not depend on the phenotype. The purpose is to do.
- the second invention of the present application aims to efficiently cultivate sugar beet black rot resistant varieties.
- the third invention of the present application aims to provide a method for identifying a gene having resistance to sugar beet black root disease.
- the present inventor has conducted extensive research and found a variety having high resistance to sugar beet black root disease.
- Sarasuko the present inventor has found that the varietal DNA polymorphism of the cultivar using AFLP method (AFLP is a registered trademark) and the genetic allyl that makes resistance to sugar beet root disease a dominant phenotype by genetic analysis.
- AFLP AFLP is a registered trademark
- the inventions shown in the following (1) to (5) have been completed based on the findings of the present inventors, etc., and are provided as means for solving the above problems.
- the present invention provides a tenser having a base sequence ability represented by any one of SEQ ID NOs: 1 to 5. Provide a primer for selecting black rot resistant varieties.
- the present invention provides a nucleotide sequence represented by any one of SEQ ID NOs: 6 to 8, or a nucleotide sequence represented by any one of SEQ ID NOs: 6 to 8 having 90% or more homology.
- a polynucleotide comprising the nucleotide sequence having the nucleotide sequence is provided.
- the present invention also provides seeds and progeny of sugar beet black rot resistant varieties having one or more of these polynucleotides.
- the present invention includes a DNA extraction step for extracting cell force DNA of Beta genus including sugar beet, and a DNA cleavage step for cleaving the extracted DNA with a restriction enzyme based on the AFLP method.
- a sugar beet black rot resistant variety selection is performed by selecting a sugar beet black rot resistant cultivar by detecting the polynucleotide comprising the nucleotide sequence according to (2) corresponding to the primer pair used in nucleic acid amplification. Provide a method.
- the present invention relates to a sugar beet black root disease resistant variety of the genus Beta selected using the method for selecting a sugar beet black root disease resistant variety described in (3) above, and the sugar beet black root disease resistant variety Is used to provide seeds and progenies of the beta-root beetle resistant variety of the genus Beta, which are produced by crossing or crawling, and a method for producing the seeds.
- the present invention relates to a genomic DNA of the genus Beta, in particular, a DNA of chromosome 3 in sugar beet, a base sequence having the base sequence described in (2), and the base sequence Provided is a method for identifying a sugar beet black root disease resistance gene by identifying the genetic gene of the sugar beet black root disease resistance gene using a genetic distance of about 2.2 cM from the locus of the sugar beet black root resistance gene. .
- a cultivar exhibiting resistance to sugar beet black root disease can be indirectly detected with high accuracy by a molecular biological technique independent of phenotype. Can be selected.
- a sugar beet black rot resistant cultivar of the present invention it is possible to efficiently breed a sugar beet black rot resistant cultivar without requiring much labor, time, or cost. It can be carried out. According to such sugar beet-resistant varieties, stable sugar yields can be secured against the disease, so the expectation in the sugar beet market is enormous and is expected to be used worldwide. In addition, the ripple effect is extremely large, such as a positive impact in the sugar industry.
- a sugar beet black rot resistance gene belonging to the genus Beta linked to the sugar beet black rot resistant variety selection primer can be identified.
- the best mode for carrying out each of the above inventions will be described below. However, the present invention is not limited to these embodiments, and various modifications can be made without departing from the scope of the invention. Can be implemented.
- the first embodiment mainly relates to claims 1 to 18.
- the second embodiment mainly relates to claims 19 to 23.
- Embodiment 1 relates to an invention of a sugar beet black rot resistant variety selection method and a sugar beet black root resistant cultivar obtained by the selection method.
- Embodiment 1 is composed of a sugar beet black root resistance resistant variety selection primer, a polypeptide, a sugar beet black root resistance resistant variety selection method, a sugar beet black root resistance resistant variety obtained by the selection method, and the like.
- the configuration of this embodiment will be specifically described below.
- “Sugar beetle black root disease resistant cultivar selection primer” refers to any one of SEQ ID NOs: 1 to 5. This is an oligonucleotide that functions as a DNA marker for detecting sugar beet black rot resistant varieties in the method for selecting sugar beet black rot resistant varieties described later. V and the offset primer also have a base sequence linked to a sugar beet black root disease resistance gene described later on the genome.
- the nucleotide sequence is about 2.2 cM (centiorgan) for the primers represented by SEQ ID NOs: 1 and 2, and about 4.3 cM for the primers represented by SEQ ID NOs: 3 to 5, respectively. It is located away from the disease resistance gene.
- n region the base sequence represented by any one of SEQ ID NOs: 1 to 5
- the base sequence represented by n is configured so as to be hybridizable to a part of the adapter. Yes.
- the sugar beet black root resistant variety selection primer is the base sequence represented by SEQ ID NO: 1
- the n region (0205) is the core sequence site of the adapter described later. It has a base sequence complementary to all or part of the base sequence.
- G region (0206) is a salt that exists in the genomic DNA of sugar beet. It consists of a base sequence.
- the "adapter” is bound to the restriction enzyme cut end of the fragmented genomic DNA as shown in Fig. 2B in the nucleic acid amplification step of the method for selecting sugar beet black rot resistant varieties of this embodiment described later. It is configured as possible.
- the adapter structure is composed of a cleavage end binding site (0201) that also has a single-strand partial force, and a core sequence site (0202) that consists of a double-stranded portion.
- Two types of adapters are used: EcoRI adapters and Msel adapters.
- the EcoRI adapter has an EcoRI cleavage end binding site
- the Msel adapter has an Msel cleavage end binding site.
- the base sequence and base number of the core sequence site in the two adapters may be in accordance with Non-Patent Document 3.
- the base sequence and the number of bases of the core sequence site are not particularly limited, and may be any base sequence and any number of bases.
- miscellaneous sugar beet black root disease resistant cultivar selection primer also has a nucleotide sequence other than the nucleotide sequence represented by any one of SEQ ID NOS: 1 to 5, its 5 ′ end, and Z or 3 ′.
- the base sequence of the additional region is preferably a base sequence (0203) following the 5 ′ side of the n region in the adapter base sequence as shown in FIGS. 2C and D.
- an arbitrary base sequence may be used without being limited thereto.
- the additional region has a 3 ′ terminal side, the base sequence of the additional region, as shown in FIGS.
- 2C and 2D is the base sequence on the genomic DNA of the genus Beta that continues to the 3 ′ side of the G region, That is, it consists of a base sequence complementary to N (0204). Specifically, it is a base sequence on the polynucleotide represented by any one of claims 6 to 8, which is described later, and is homologous to the base sequence of the G region represented by the deviation of SEQ ID NOs: 1 to 5. 3 'base sequence following the typical region.
- the primer has a total base number of 17 to 25 bases, and the effect can be sufficiently obtained. Therefore, when the sugar beet black rot resistant variety selection primer has the additional region, the additional region may be designed so that the total number of bases is 25 bases or less and the base region is 1 base or more and 8 bases or less. When the total number of bases of the primer is 16 bases or less, it is not preferable that nonspecific hybridization is easily generated with respect to the base sequence of the genomic DNA. In addition, using more than 26 bases is not preferable because it only increases the cost of the primer.
- the Tm value of the sugar beet black spot resistant variety selection primer is preferably 50 ° C or higher. This is to enhance the distinctiveness of the cocoon type recognition in the method for selecting sugar beet black rot resistant varieties.
- the sugar beet black rot resistant variety selection primer may be labeled with a fluorescent substance, a labeling substance, RI (radioisotope), or the like. This is for facilitating the detection of the polynucleotide amplified in the sugar beet black rot resistant cultivar by the method for selecting a sugar beet black rot resistant cultivar described later.
- fluorescent substance as used herein means a substance that has a property of emitting fluorescence when it absorbs excitation light of a specific wavelength and enters an excited state and returns to the original ground state. For example, FAM, TET, HEX, Cy3, Cy5, Texas Red, FITC, etc. are applicable.
- labeling substances include haptens such as digoxigenin (DIG) and piotin. Position labeled with the labeling substance etc. in the breed selection primer The position is not particularly limited as long as it is appropriately determined according to the properties of the labeling substance used. For example, 5′-end labeling may be performed by labeling with [ ⁇ - 33 P] ATP using T4 polynucleotide kinase or the like. The primer need only be labeled on at least one of the pair of primers used. To increase sensitivity, both primers may be labeled identically, or both primers may be labeled differently so that the same amplification product can be detected by different means.
- DIG digoxigenin
- piotin piotin
- the sugar beet black rot resistant cultivar selection primer is a primer pair (hereinafter referred to as "SEQ ID NO: 1 and 2") having a nucleotide sequence ability.
- First primer pair a primer pair consisting of the base sequence represented by SEQ ID NOs: 3 and 4 (hereinafter referred to as“ second primer pair ”), and the base represented by SEQ ID NOs: 3 and 5
- second primer pair a primer pair consisting of the base sequence represented by SEQ ID NOs: 3 and 4
- second primer pair a primer pair consisting of the base sequence represented by SEQ ID NOs: 3 and 5
- third primer pair that also has the ability to align is used.
- the sugar beet black rot resistant cultivar is a cultivar of the genus Beta that has high resistance to the infection of the above-mentioned funa myces and does not suffer from or hardly suffers from sugar beet black root disease. It can be identified by the selection method of sugar beet black rot resistant varieties. “Cultivar” refers to sugar beet varieties such as Riki Butomaru, Monohomare, Yukinohide, or other species belonging to the genus Beta and capable of crossing with sugar beet. Genetically describing the sugar beet black rot resistant varieties of the present invention refers to those having at least one haplotype of a dominant sugar of the sugar beet black rot resistant gene whose phenotype is resistance to sugar beet black rot.
- Beta genus generally refers to the genus Fudansou.
- the Beta genus means a Beta genus plant species that can be crossed with sugar beet. Examples include sugar beet, table beet, chard beet, and feed beet.
- Sugar beet which is a beet for sugar production, among the plant species belonging to the genus Beta, conforms to the gist of the present invention, which is a countermeasure method for reducing sugar yield caused by sugar beet black root disease.
- the "sugar beet black rot resistance gene” is a gene that exists on the sugar beet genome, and that one of the aryl phenotypes exhibits a dominant phenotype that is highly resistant to infection with funa myces. This gene has unidentified power
- the power of QTL analysis shown in Figure 5 is It has been found to exist on the third chromosome, and its locus has been estimated as shown in FIG. Therefore, in the present invention, for convenience, the gene is hereinafter referred to as Acrl (Aphanomyces cochlioides resistance 1), and the dominant allyl of the gene exhibiting resistance to infection with aphanosis is referred to as Acrl 1 .
- the "polynucleotide” is an amplified fragment specifically amplified in the sugar beet black rot resistant variety in the development process of the sugar beet black rot resistant variety selection method of this embodiment.
- Consists of a partial base sequence The base sequence has 90% or more homology with the base sequence represented by any one of SEQ ID NOs: 6 to 8, or the base sequence represented by any one of SEQ ID NOs: 6 to 8. It is represented by the base sequence.
- Any polypeptide may be single-stranded or double-stranded. These base sequences are present in sugar beet genomic DNA, and the base sequence locus is strongly linked to the Acrl locus. Furthermore, the base sequence can be substituted with Acrl on the genome of another Beta genus by hybridization.
- the polynucleotide comprising the base sequence represented by SEQ ID NO: 6 is composed of 135 bases.
- the polynucleotide is a part of the amplified fragment specifically amplified in the sugar beet black rot resistant variety in the development process of the sugar beet black resistant cultivar selection method of the present embodiment using the first primer pair. is there.
- the polynucleotide has a Msel cleavage terminal sequence (5′-TAA-3 ′: the same applies hereinafter) and an EcoRI cleavage terminal sequence (5′—AATTC-3 ′: the same applies hereinafter) at the end of the polynucleotide.
- the polynucleotide comprising the base sequence represented by SEQ ID NO: 7 is composed of 172 bases.
- the polynucleotide is a part of the amplified fragment specifically amplified in the sugar beet black rot resistant variety in the development process of the sugar beet black resistant cultivar selection method of the present embodiment using the second primer pair. is there.
- At the end of the polynucleotide is SEQ ID NO: 6. Similar to the polynucleotides shown, it has Msel and EcoRI cleavage terminal sequences.
- the base represented by n in the sequence is an undetermined base sequence.
- the polynucleotide comprising the base sequence represented by SEQ ID NO: 8 is composed of 307 bases.
- the polynucleotide is a part of the amplified fragment specifically amplified in the sugar beet black rot resistant variety in the development process of the sugar beet black resistant cultivar selection method of the present embodiment using the third primer pair. is there.
- the end of the polynucleotide has Msel and EcoRI cleavage terminal sequences.
- the "base sequence having 90% or more homology with the base sequence represented by any one of SEQ ID NOs: 6 to 8” refers to the base represented by any one of the above-mentioned SEQ ID NOs: 6 to 8
- a nucleotide sequence that has 90% or more identity with the base sequence represented by any one of SEQ ID NOs: 6 to 8 is obtained.
- deletion means that one or more bases are lost in the base sequence represented by any one of SEQ ID NOs: 7 to 9.
- substitution refers to one in which one or two or more consecutive bases are replaced with other different bases in the base sequence represented by any one of SEQ ID NOs: 6 to 8.
- duplications, insertions, or translocations with point mutations, inversions, or deletions refers to the addition of one or two or more consecutive bases to the base sequence represented by any one of SEQ ID NOs: 6 to 8, in total! .
- an insertion, duplication, or translocation without deletion is applicable.
- All or part of the polynucleotide and its base sequence are used as an indicator, primer or probe for detecting sugar beet black rot resistant varieties according to the method for selecting sugar beet black rot resistant varieties. Can do.
- an index for detecting sugar beet black rot resistant varieties for example, a method using the base length in the AFLP method can be mentioned. This will be described in detail in the detection step of the method for selecting a sugar beet black rot resistant variety below.
- the nucleotide sequence of SNP linked to Acrl 1 is expressed by LNA (Locked Nucleic Acid) The thing replaced with is mentioned.
- LNA Locked Nucleic Acid
- the primer Base sequence loci linked to Acrl 1 are selectively amplified from the genomic DNA of the genus Beta by the temperature difference that hybridizes to the vertical DNA.
- the presence / absence of the amplified product includes a method for discriminating sugar beet resistant varieties.
- the nucleotide sequence of SNP linked to Acrl 1 is replaced with PNA (Peptide Nucleic Acid) in the SNP at the terminal restriction site of the polynucleotide.
- PNA Peptide Nucleic Acid
- probes containing SNP linked to Acrl 1 can be specifically detected by temperature differences with respect to genomic DNA fragments of the genus Beta. And the like, and the like, and the like, and the like, and the like, and the like, and the like, and the like, and the like, and the like, and the like, and the like, and the like, and the like, to identify the sugar beet black rot resistant variety.
- a method of selectively amplifying a base sequence locus linked to Acrl 1 from genomic DNA belonging to the genus Beta by PCR-clamping using the probe is also included.
- Seeds having sugar beet root resistance and / or progeny of sugar beet root resistant cultivars are: SEQ ID NOs: 6 to 8 and SEQ ID NOs: 6 to 8, and 90% of the nucleotide sequence represented by any one of them Seeds and Z or progeny produced by crossing or crawling using sugar beet black rot resistant varieties having one or more of the polynucleotides having the above-mentioned homologous nucleotide sequences, Acrl Seeds with 1 and Z or progeny.
- the “seed and Z or progeny produced by clawing” means a clone seed and Z or progeny having the same genetic information obtained by culturing a part of the sugar beet black rot resistant variety.
- clones and Z or clone progeny obtained by culturing the callus after inducing the callus induction by performing a known desemination treatment on the tissue obtained from root resistance of the sugar beet black rot resistant variety. Applicable.
- the sugar beet black rot resistant variety selection method is a selective nucleic acid amplification method based on the AFLP method, which includes a "DNA extraction step”, a “DNA cleavage step”, a “nucleic acid amplification step”, and " It consists of “detection process”. Hereinafter, each process will be specifically described.
- the "DNA extraction step” is a step of extracting DNA from cells belonging to the genus Beta.
- the DNA extracted in the DNA extraction process may be mixed with mitochondrial DNA or chloroplast DNA as long as it contains genomic DNA, or may be total DNA. this is It is also the power that genomic DNA is required as a saddle shape in the subsequent processes.
- the “Beta genus cell” may be any cell such as a leaf part, a stem part, or a root part as long as it is a cell constituting a plant body of the genus Beta.
- the genomic DNA is a force that is contained in all cells. The green leaf portion is preferred.
- the genomic DNA in the cell is hardly fragmented by its own DNA-degrading enzyme, it is easy to collect, and damage to the plant can be minimized during collection. by.
- the cells belonging to the genus Beta may be used after the plant body is collected and frozen immediately. This is because the freezing treatment hardly affects the genomic DNA in the cells.
- the “DNA cutting step” is a step of cutting the extracted DNA with a restriction enzyme.
- restriction enzyme refers to a combination of EcoRI or EcoRI isosizomers and Msel or Msel isosizomers according to the AFLP method described in Non-Patent Document 3.
- the method for selecting sugar beet black rot resistant cultivars is that sugar beet black rot resistant varieties and sugar beet black susceptible varieties produced by cleaving the genomic DNA of the genus Beta using these two different restriction enzymes The restriction enzyme cleavage pattern is used.
- the method for selecting a sugar beet black rot resistant cultivar according to the present embodiment is a SNP (polynucleotide polymorphism) linked to Acrl in the genomic DNA of the genus Beta, and within the restriction sites of 3 ⁇ 4coRI and Z or Msel. There is a method that uses different ones between Acrl 1 and Acrl s .
- the "nucleic acid amplification step” is a step of performing nucleic acid amplification using the above-described primer pair in a genomic DNA fragment obtained in the above-described DNA cutting step.
- the sugar beet black rot resistant variety selection method of the present embodiment is based on the AFLP method. Therefore, the nucleic acid amplification step is composed of several steps. This will be described in detail in the method section of this embodiment.
- Genomic DNA fragment refers to fragments of genomic DNA having various lengths obtained after the DNA cutting step.
- the end of the genomic DNA fragment is the end cleaved by the restriction enzyme used. That is, the 5 ′ end and 3 ′ end are cleaved by EcoRI or EcoRI isosizomer, and cleaved by Z or Msel or Msel isosizomer.
- the genomic DNA fragment functions as a cage in the nucleic acid amplification step.
- Nucleic acid amplification refers to amplification of a specific region sandwiched between two primers by enzymatic reaction using DNA or the like as a saddle.
- a method of performing nucleic acid amplification is called “nucleic acid amplification method”, and specific examples thereof include PCR method, ICAN method, LAMP method, NASBA method and the like.
- the method for selecting sugar beet black rot resistant cultivar of the present embodiment includes a pair of genomic DNA fragments obtained in the DNA cutting step, a pair of the sugar beet black rot resistant cultivar selecting primer as a cocoon type, a primer, and an adapter, respectively. Use an adapter for AFLP.
- the “detection step” is a polynucleotide containing the nucleotide sequence of the polynucleotide described in any one of claims 6 to 8 (hereinafter referred to as "amplification polynucleotide”) from the nucleic acid amplified in the nucleic acid amplification step. This is a step of detecting “nucleotide”.
- a polynucleotide comprising the nucleotide sequence represented by SEQ ID NO: 6 or a nucleotide sequence having 90% or more homology with the nucleotide sequence represented by SEQ ID NO: 6 A polynucleotide comprising a nucleotide sequence represented by SEQ ID NO: 7 or a nucleotide sequence having 90% or more homology with the nucleotide sequence represented by SEQ ID NO: 7 when the second primer pair is used, and
- a nucleotide sequence represented by SEQ ID NO: 8 or a polynucleotide comprising a nucleotide sequence having 90% or more homology with the nucleotide sequence represented by SEQ ID NO: 8 is detected. It is a process.
- Aminified polynucleotide is the polynucleotide sequence described in any one of the nucleotide sequences of! / In any one of the constituent requirements of the polynucleotide, that is, in any one of claims 6 to 8. And a base sequence in which the adapter sequence of the sugar beet black rot resistance variety selection primer used in the nucleic acid amplification step is added to both 5 ′ and 3 ′ ends of the nucleotide sequence. . Therefore, the base length of the amplified polypeptide is as long as the adapter sequence is added.
- the amplified polynucleotide, Ac rl derconnection those specifically amplified genomic DNA from strains with 1 hetero to homo or not amplified from normal ACRL s homozygote derived from genomic DNA. That is, whether or not the strain to be tested is a sugar beet black rot resistant variety can be determined based on the ability to detect these amplified polynucleotides.
- the sugar beet black rot resistant variety selection method of this embodiment is strongly linked to Acrl.
- this method indirectly determines the presence or absence of Acrl 1 by using different SNPs between Acrl 1 and Acrl s . Therefore, when crossover occurs between Acrl and the SNP, the amplified polynucleotide can be detected even in the genomic DNA derived from the Acrl s homozygous individual, that is, the sugar beet black rot susceptible variety.
- the frequency at which such a so-called false detection occurs corresponds to the recombination value (RV) between Acrl and the SNP.
- the frequency of occurrence of the false detection is about 2.2% between Acrl-SNP when using the first primer pair, about 4.3% between Acrl-SNP when using the second primer pair, It is about 4.3% between Acrl and SNP when the third primer is used.
- These frequencies are extremely low compared to the false detection frequency (about 50%) of the conventional method for selecting sugar beet black rot resistant varieties that depend on the phenotype.
- it when actually detecting resistance to sugar beet black root disease, it will be detected using two or three primer pairs rather than using only one primer pair for one individual. .
- the false detection frequency by the selection method of the present embodiment is about 0.004% (0.022 X 0.043 X 0.043), This is no longer a negligible value. Therefore, the frequency of false detection caused by crossover of Acrl and SNP linked to it does not reduce the effect of the sugar beet black rot resistant variety selection method of this embodiment at all.
- the sugar beet black root disease resistant varieties and the like are identified by the method for selecting sugar beet black root disease resistant varieties, and the sugar beet black root disease resistant varieties of the genus Beta and the sugar beet black rot resistant varieties of the genus Beta are progenies. And the seeds of the genus Beta that are resistant to sugar beet black root disease.
- Method of producing seeds having resistance to sugar beet black rot of Beta genus and progeny of Z or Beta sugar beet root resistant cultivars by crossing or clawing means mating capable of producing seeds and Z or progeny Or any cloning method.
- FIG. 3 shows an example of a process flow in the sugar beet black rot resistant variety selection method of the first embodiment.
- DNA is extracted from cells belonging to the genus Beta (S0301 DNA extraction step).
- the extracted DNA is fragmented with restriction enzymes (S0302 DNA fragmentation).
- S0302 DNA fragmentation restriction enzymes
- S0303 nucleic acid amplification step using the genomic DNA fragment obtained in the DNA fragmentation step as a saddle shape, nucleic acid amplification is performed using the two sugar beet black rot resistant variety selection primers as a pair (S 0303 nucleic acid amplification step).
- S 0303 nucleic acid amplification step a polynucleotide containing the base sequence according to claim 1 is detected from the nucleic acid amplified in the nucleic acid amplification step (S0304 detection step).
- the sugar beet black rot resistant variety selection method of Embodiment 1 is based on the AFLP method.
- this is a method for detecting the presence or absence of SNP linked to sugar beet root resistance gene.
- the SNP is different between Acrl 1 and Acrl s .
- the basic technique and method of the sugar beet black spot resistant variety selection method of Embodiment 1 may be based on the well-known AFLP method. Hereinafter, the method in each step will be specifically described.
- the DNA extraction method is not particularly limited as long as it is a method capable of extracting genomic DNA from cells belonging to the genus Beta.
- a specific example is the CTAB (Cesyl Trimethyl Ammonium Bromide) method.
- CTAB Cesyl Trimethyl Ammonium Bromide
- An example of the specific method will be described in detail in Example 1.
- a commercially available DNA preparation kit such as ISOPLANT (Nibonbon Gene) may be used.
- DNA is cleaved with a combination of two types of restriction enzymes, namely EcoRI and Msel, or their iso-isozomers. It is sufficient to use commercially available restriction enzymes.
- the kaffa composition, salt concentration, pH, etc. of each restriction enzyme may be determined according to commonly used reaction conditions.
- the amount of restriction enzyme used in the reaction is appropriately determined according to the amount of DNA used in the reaction. For example, if the DNA amount of l i ug, may be used about 3 units EcoRI and Msel from each 2.
- the order of restriction enzyme cleavage is not particularly limited.
- reaction temperature and reaction time are appropriately selected according to the amount of DNA used in the reaction under conditions that allow sufficient genomic DNA fragmentation. For example: Use 2 units of restriction enzyme for the amount of DNA in g If so, the reaction temperature may be 37 ° C and the reaction time may be 1 to 2 hours. After the cleavage reaction, it is more preferable to heat the reaction solution from 70 ° C to about 80 ° C and then rapidly cool it to 4 ° C or less in order to prevent recombination between the cut ends.
- the nucleic acid amplification step is composed of a plurality of steps. Usually, it is preferably carried out in three steps as shown in FIG. 4, but the number of steps is not particularly limited as long as the target polynucleotide can be efficiently amplified. For example, it may be composed of two stages, that is, a first stage adapter coupling process and a third stage selection process.
- a first stage adapter coupling process and a third stage selection process.
- the first stage is an adapter coupling step (S0401).
- This step is characterized by attaching an adapter to the end of genomic DNA fragmented by restriction enzymes.
- a DNA binding reaction method using T4 DNA ligase is common and convenient.
- the buffer composition, salt concentration, pH, etc. of T4 DNA ligase may be determined according to generally used reaction conditions.
- Two adapters, EcoRI adapter and Msel adapter, are used.
- the adapter amount to add is equal.
- the bonding reaction temperature may be in the range of 8 ° C to 30 ° C, but still preferably in the range of 15 ° C to 20 ° C.
- the reaction time is lengthened as the binding reaction temperature is lower.
- the method for binding the adapter is not particularly limited as long as the adapter can be bound to the end of the fragmented genomic DNA.
- DNA binding reaction kits using various enzymes are commercially available and can be used. In this case, reaction conditions and the like may be performed according to the attached protocol.
- the second stage is a preliminary amplification step (S0402).
- preliminary nucleic acid amplification is performed using a pair of sugar beet root resistance resistant varieties preamplification primers to narrow down the target amplification polynucleotide!
- the "sugar beet black rot resistant variety pre-amplification primer" is composed of a base sequence complementary to each of the two types of adapters and a specific base arranged on the 3 'end side.
- the base sequence complementary to the adapter is composed of all or part of the EcoRI or Msel restriction site and all or part of the core sequence adjacent thereto and the complementary base sequence.
- the number of bases complementary to the adapter is not particularly limited as long as it is 13 bases or more.
- the specific base may be composed of one base or two bases. Usually, one base is sufficient. Whether this particular base is an ATGC is determined by the pair of primers selected for sugar beet black rot resistant varieties used in the next third stage. That is, the specific base is the base adjacent to the 3 'end side (extension direction side) of all or part of the EcoRI or Msel restriction site contained in the sugar beet black rot resistant variety selection primer to be used. It becomes. For example, if the pair of beetle black root disease resistant cultivar selection primers used in the third stage is a primer pair containing SEQ ID NOS: 1 and 2, respectively, the cultivar selection primer containing SEQ ID NO: 1 is restricted by EcoRI.
- nucleotide sequence of SEQ ID NO: 1 is G adjacent to the 3 ′ end C of the restriction site.
- the breed selection primer containing SEQ ID NO: 2 contains TAA, which is part of the restriction site of Msel. Therefore, the nucleotide sequence of SEQ ID NO: 2 is C, which is adjacent to the 3 'end A of the restriction site.
- the nucleic acid amplification method used in the nucleic acid amplification step is not particularly limited as long as it can amplify the target polynucleotide.
- PCR method ICAN method, LAMP method and the like can be mentioned.
- PCR methods are convenient because various methods have been established.
- the reaction conditions such as the reaction temperature and the number of cycles in the nucleic acid amplification method, optimum conditions may be appropriately determined according to known techniques in the respective methods mentioned above. In the present specification, reaction conditions when the PCR method is used in Example 1 to be described later are shown as an example, but the present invention is not limited thereto.
- the third stage is a selection process (S0403).
- the nucleic acid fragment amplified in the preliminary amplification step using a pair of sugar beet black spot resistant species selection primers is cocoon-shaped. Further, nucleic acid amplification is performed to amplify the target amplification polynucleotide.
- the nucleic acid amplification method and the reaction conditions used in the selection step are conveniently performed in accordance with the nucleic acid amplification method of the second step.
- the nucleic acid amplification method used here is not necessarily the same method as the nucleic acid amplification method in the second step.
- the PCR method is used in the first stage pre-amplification process, and different nucleic acid amplification methods are used in combination, such as using the ICAN method in the third stage selection process.
- the specific procedure and reaction conditions of each method may be performed in accordance with known techniques. In the present specification, the ability to show the reaction conditions when the PCR method is used in Example 1 described later as an example is of course not limited thereto.
- the final amplification product solution obtained in the nucleic acid amplification step is used in the next detection step.
- Gel electrophoresis is convenient for detection of the amplified polynucleotide.
- a polynucleotide having a base length close to the amplified polynucleotide is also the power that can be distinguished. Another reason is that gel electrophoresis can be carried out without requiring special skill acquisition for those who are engaged in the field of molecular biology.
- the base length of the amplified polynucleotide is such that the adapter sequence of the primer used in the nucleic acid amplification step is present at both ends of the base sequence of the polynucleotide according to any one of claims 6 to 8. It is added.
- the added base length is in the range of 20 to 36 bases combined with adapter sequences at both ends.
- the base length of the detected amplified polynucleotide ranges from 155 bases to 171 bases.
- the base is applicable. However, these are deleted in the base sequence of the genomic DNA that is a cage type, If there are mutations such as substitutions and additions, they vary accordingly.
- the use of a stacking gel is optional.
- the amount of sample applied to the gel is not particularly limited as long as it is appropriately determined according to the amount of amplified polynucleotide to be detected, but was generally obtained in the selection step of the nucleic acid amplification step.
- Amplification product solution 5 1Z swell is sufficient. If necessary, a loading buffer of about 1 ⁇ 1 may be added to 5 ⁇ 1 of the amplification product solution.
- Electrophoresis is performed at 280 V for about 3 hours in an electrophoresis buffer (1 kg, etc.). At this time, size markers are run simultaneously.
- As the size marker it is convenient to use a commercially available size marker such as an lOObp DNA ladder marker (TaKaRa).
- genomic DNA genotype is known, negative control (Acr I s homo), and positive controls (or ACRL 1 Homo or Acrl 1 hetero).
- At least one of the sugar beet black rot resistant variety selection primer pairs which is directly labeled with a fluorescent substance or RI, is used in the nucleic acid amplification step.
- the method of use the method of indirectly labeling the fluorescent material using avidin protein or antibody labeled with a fluorescent material such as piotin or DIG, or the polynucleotide present in the gel after electrophoresis is intercalated. Examples thereof include a method of staining with a fluorescent substance capable of being force-reduced, such as Ethidium bromide, VistraGreen (Amersham), Cyber Green (registered trademark: Roche).
- the polynucleotide in the gel can be visually recognized by chemical luminescence generated by irradiating the gel after the electrophoresis with the excitation wavelength light of the used fluorescent substance. Kemi If you can visually check the luminescence intensity, you can do it visually. Further, when the luminescence intensity is weak or the like, it can be visually recognized with a biochemiluminescence imaging device (light captcha).
- the gel in the gel can be visually recognized by appropriately treating the gel after electrophoresis and then exposing it to an X-ray film or imaging plate (Fuji Film). All of these basic operations are known techniques, and the details may be performed according to their various protocols.
- a polynucleotide having a base length close to the amplified polynucleotide in the sugar beet black susceptibility cultivar is not detected. Therefore, it can be distinguished by gel electrophoresis.
- the base length of the amplified polynucleotide will be the susceptibility to sugar beet black root disease. There is a possibility to approximate the base length of other non-specific polynucleotides to be amplified in varieties.
- the hybridization method is carried out using as a probe all or a part of any one of the polynucleotides described in the constituent requirements of the polynucleotide described in claim 6 to 8.
- the amplified polynucleotide can be selectively detected.
- the Southern hybridization method As the hybridization method used here, the Southern hybridization method or a known method based on it is convenient.
- the general Southern hybridization method polynucleotides fractionated in the gel after electrophoresis are transferred to a membrane, and the labeled probe is hybridized to the target polypeptide on the membrane for detection. It is based on what to do.
- This method is a very common technique in the field of molecular biology, and since it may be performed in accordance with it in the present embodiment, a detailed description is omitted.
- the base sequence of the polypeptide as a probe when the first primer pair is used, the whole or a part of the base sequence of the polynucleotide represented by claim 6 is used.
- the second primer pair when the whole or a part of the nucleotide sequence of the polynucleotide represented by claim 7 is used.
- the third primer pair use all or part of the nucleotide sequence of the polynucleotide represented by claim 8.
- probe This labeling may be carried out in accordance with the method of directly labeling the primer with a fluorescent substance, a labeling substance, or RI in the sugar beet black spot resistant variety selection primer.
- the detection of the probe that has been and / or hybridized is appropriately determined according to the label of the probe. This can be done in accordance with the method of detecting the labeled sugar beet black rot resistant variety selection primer.
- sugar beet black rot resistant variety selection primer of this embodiment and the sugar beet black root resistant cultivar selection method using the selection primer, By collecting only a part of the plant body, it is possible to indirectly select varieties that are dominantly resistant to sugar beet black root disease without depending on the phenotype with high accuracy.
- Embodiment 2 relates to a method for identifying a sugar beet black root resistance gene Acrl.
- the method for selecting a sugar beet black rot resistant cultivar according to Embodiment 1 was a method for detecting an amplified polynucleotide based on SNP linked to Acrl by the AFLP method.
- the ratio of the sugar beet phenotype to the amplified polynucleotide from the sugar beet is determined based on the genomic DNA of the genus Beta! /, Acrl loci, and claims.
- the recombination value between the nucleotide sequence having the nucleotide sequence according to any one of Items 6 to 8 can be calculated.
- the genetic distance between the recombination value, the map function of Kosambi, and the force can be calculated.
- This embodiment is a method for identifying an Acrl gene on a genome from a base sequence having the base sequence of the polynucleotide according to any one of claims 6 to 8 and the calculated genetic distance. It is.
- the genomic DNA of the genus Beta is the base sequence locus having the base sequence described in any one of Claims 6 to 8, and the shift of any one of Claims 6 to 8. It is constructed by a sugar beet black spot resistance gene identification method that identifies Acrl using the genetic distance between the nucleotide sequence locus and the Acrl locus. The configuration of this embodiment will be specifically described below.
- the "base sequence locus” of the present embodiment refers to the base sequence represented by SEQ ID NO: 6 on the genome of the genus Beta or on the third chromosome in the case of sugar beet, or SEQ ID NO: 6
- a base sequence having a homology of 90% or more with the base sequence represented by hereinafter referred to as “the base sequence according to claim 6”.
- nucleotide sequence represented by SEQ ID NO: 7 or a nucleotide sequence having 90% or more homology with the nucleotide sequence represented by SEQ ID NO: 7 (hereinafter referred to as “the nucleotide sequence according to claim 7”), or a sequence Either the base sequence represented by No. 8 or a base sequence having 90% or more homology with the base sequence represented by SEQ ID No. 8 (hereinafter referred to as “base sequence according to claim 8”). It is an area with
- each nucleotide sequence locus and the Acrl locus is about 2.2 cM in the case of the locus having the nucleotide sequence described in Table 1 to Claim 6, and described in Claim 7. In the case of a locus having the nucleotide sequence of about 4.3 cM, and in the case of the locus having the nucleotide sequence according to claim 8, it is about 4.3 cM.
- Table 1 shows the results of serial analysis of the Acrl gene locus and each of the nucleotide sequence loci.
- C1. 6, C1. 7, C1. Claims 6, 7, and 8 indicate base sequence loci having the base sequences
- a and B indicate gene loci or base sequence loci.
- each base sequence locus was detected by the presence or absence of the amplified polynucleotide by the method of the present embodiment, and the Acrl locus was detected by phenotype.
- + indicates that an amplified polynucleotide is detected or a phenotype resistant to sugar beet root disease is confirmed, and one is that the amplified polynucleotide is not detected or is susceptible to sugar beet root disease. Indicates when the phenotype is confirmed.
- the base sequence according to claim 6, the base sequence according to claim 7, and the base sequence locus having the base sequence according to claim 8, and the base sequence locus Acrl can be identified using the genetic distance between and the Acrl locus.
- the genetic distance between the base sequence having the base sequence according to claim 6 on the genome and the Acrl locus is about 2.2 cM, about 2.2 Mb based on the base sequence Acrl exists at either left or right position.
- the homologous region obtained by the search is used as a base sequence locus, and a plurality of genes around 2.2 Mb apart from the left and right are selected as candidate genes.
- the whole nucleotide sequence of candidate genes is determined for sugar beet resistant cultivars and sugar beet susceptible varieties. If the number of candidate genes exceeds 50, select a known gene or a gene whose function is predicted, and then preferentially examine genes that are predicted to be related to sugar beet black root disease. ,.
- the base sequence may be different depending on the type of mouthpiece. Selects the gene as a potential candidate gene. Subsequently, in the dominant candidate gene, a base sequence that is not found in sugar beet black susceptibility varieties is ligated to a vector as an Acrl 1 aryl candidate. After a known dedifferentiation treatment is performed on a tissue obtained from a sugar beet susceptibility cultivar, a callus is induced, and then a vector in which the gene is linked to the callus is introduced by a known technique. If the plant body obtained by culturing callus shows the phenotype of a sugar beet black rot resistant cultivar, it is an Acrl 1 candidate candidate Acrl gene. Become.
- the method of combining a plurality of nucleotide sequence loci and the genetic distance between the plurality of nucleotide sequence loci and the Acrl gene locus is more preferred in the sugar beet black rot resistance gene identification method. Because, according to the base sequence locus of 2 or 3 points, it is also the ability to specify the Acrl locus as one point. That is, as in the linkage map shown in FIG.
- the sequence locus and Acrl locus are 2.2 cM and 4.3 cM in the opposite directions, respectively, and the Acrl locus is also identified.
- the base sequence having the base sequence according to claim 6 and the base sequence having the base sequence according to claim 7 are at a distance of 6.5 cM. This is because the physical distance between each nucleotide sequence locus corrected by comparison with the actual physical distance in the sequence and the Acr 1 locus can also be calculated.
- the same gene The determination method may be performed in the same manner as the above method.
- the region encoding the sugar beet root resistance gene can be limited on the genome, and the gene can be identified.
- Acrl that is, the sugar beet root resistance resistant gene of the sugar beet root resistance gene, can be identified from the comparison of the nucleotide sequences of the sugar beet root resistance cultivar and the sugar beet root susceptibility cultivar. If the gene can be identified, a recombinant plant that introduces the sugar beet black susceptibility gene allyl into a sugar beet susceptibility cultivar that can be detected directly in the selection of sugar beet black smut resistant varieties will be prepared. By doing so, it is possible to easily obtain a sugar beet black rot resistant variety.
- CTAB CTAB (ICN Biomedicals. Inc .: Same as below) 10g / lM Tris-HCl (pH8.0) 50ml / 0.5M EDTA (pH8.0) 20ml / Polybulol pyrrolidone (WAKO Company) 5gZNaCl 40.9g mixed, then filled up to 500ml with sterile water.
- CTAB 50g / NaCl 20.45g is mixed, then sterilized water is added to 500ml. The ones that have been improved.
- CTAB precipitation buffer CTAB 5g / lM Tris— HCl (pH8.0) 25ml / 0.5M
- EDTA pH 8.0 10ml mixed, then filled up to 500ml with sterile water.
- Fresh sugar beet leaves (green leaves) were prepared from 0.3 g to 0.5 g, frozen by adding liquid nitrogen thereto, and then ground using a mortar and pestle.
- Rhino total DNA solution ⁇ ⁇ , 5 X Reaction Buffer 50 mM Tris—Hcl (pH 7.5) 50 mM Mg-acetate 250 mM K—acetate) 2 1 supplied with the kit, EcoRlZMsel (1.25 each) attached to the kit Unit
- the DNA cleavage reaction was performed at 37 ° C for 2 hours.
- reaction solution was transferred to 70 ° C. and kept warm for 15 minutes.
- thermophilic DNA polymerase (TAKARA) was used as the thermophilic DNA polymerase.
- reaction solution containing the binding reaction product obtained after the first step is diluted 10 times with TE.
- dNTP mix solution (dATP, dGTP, dCTP, dTT, also attached to Ex-Taq)
- ⁇ -N primer and ⁇ -N primer used the following depending on the pair of sugar beet black spot resistant cultivar selection primers used in the next third step.
- E-N primer E—G primer represented by SEQ ID NO: 9
- M—N primer M—G primer represented by SEQ ID NO: 10
- E -N primer A primer represented by SEQ ID NO: 11
- M -N primer M— C primer represented by SEQ ID NO: 12
- PCR reaction program 94 ° C for 5 minutes, followed by 20 cycles of 94 ° C for 30 seconds ⁇ 56 ° C for 1 minute ⁇ 7 2 ° C for 1 minute. Then, treat at 72 ° C for 10 minutes, and finally cool to 4 ° C and keep warm.
- the target amplified polypeptide was preliminarily amplified.
- reaction solution containing the preamplification reaction product obtained after the second step was diluted 50 times with TE to obtain a “1Z50 diluted template”.
- PCR reaction program (First amplification reaction) Treat at 94 ° C for 5 minutes, and then carry out 13 cycles of 94 ° C for 30 seconds ⁇ 65 ° C for 30 seconds ⁇ 72 ° C for 1 minute. At this time, the annealing temperature of 65 ° C is touched down by 0.7 ° C for each cycle. (Second amplification reaction) Following the first amplification reaction, 20 cycles of 94 ° C for 30 seconds ⁇ 65 ° C for 30 seconds ⁇ 72 ° C for 1 minute are performed. Then, treat at 72 ° C for 10 minutes, and finally cool to 4 ° C and keep warm.
- the target amplification polypeptide was amplified through the above steps.
- 21 marker marker 0.25% BPB / 0.25% XC / 1 mM EDTA (pH 8.0) Z30% glycerol
- the electrophoresis sample for the detection process was used.
- Detection of amplified polynucleotide was performed here using acrylamide gel electrophoresis.
- the polyacrylamide gel was placed in an electrophoresis tank (NA-1214A: Nippon Aidichi), and about 2.5 L of electrophoresis buffer (1 XTBE) was poured into the electrophoresis layer. After the comb was removed from the electrophoresis buffer and the wells were washed with the electrophoresis buffer, the electrophoresis samples obtained in the third stage of the nucleic acid amplification step were applied to the wells by 2 to 51 wells. A size ladder marker (100 bp DNA Ladder: TaKaRa) was applied to another well together with 2 ⁇ 1 of electrophoresis sample. Subsequently, electrophoresis was performed at 280 V—constant voltage for about 3 hours and 30 minutes.
- NA-1214A Nippon Aidichi
- the polyacrylamide gel is peeled off from the gel plate, and the gel is immersed in a solution obtained by diluting Vistra Green (Amersham) into lZlO- 4 with TBE, and gently loosened for about 15 minutes.
- the nucleic acid in the gel was stained while vibrating.
- the dyed gel was irradiated with a 274 nm ultraviolet lamp to record the pattern of the polynucleotide band.
- Fig. 6 shows the banding pattern of the polynucleotide after gel electrophoresis by the method for selecting sugar beet black rot resistant cultivar of this example.
- samples from al-a4 sugar beet black rot resistant varieties are shown in the left 4 lanes of the size m indicated by M, and from bl-b4 sugar beet black susceptibility varieties are shown in the right 4 lanes. Each sample obtained was applied. I uses the first primer pair, II uses the second primer pair, and III uses the third primer pair.
- a polynucleotide band was detected at the position indicated by the arrow in al to a4 lanes, whereas in bl to b4 4 lanes Not detected.
- a specific polynucleotide amplified polynucleotide
- the test strain is a cultivar that is resistant to sugar beet black rot or a susceptible variety.
- FIG. 1 is a diagram for explaining root rot symptoms, which are symptoms of sugar beet black root disease.
- A is a strain with no disease symptom, a strain corresponding to disease incidence index 0 (normal strain)
- B is a strain corresponding to disease incidence index 3 with black lesions with internal rot
- C is a disease symptom with internal rot Indicates the strain corresponding to the disease index 5 which has spread or died.
- FIG. 2 is a diagram for explaining the structure of an adapter and the structure of a primer for selecting a sugar beet black rot resistance variety that binds to the adapter.
- A is the EcoRI adapter
- B is the EcoRI fragment of the genomic DNA fragment
- C is the sugar beet black rot resistant variety selection primer (corresponding to claim 1)
- D is the vertical genomic DNA to which the adapter is bound.
- N and n are bases complementary to n
- N is the base sequence on genomic DNA.
- FIG. 3 is a diagram illustrating a process flow in the method for selecting a sugar beet black rot resistant variety of Embodiment 1;
- FIG. 4 is a diagram for explaining a flow of steps constituting a nucleic acid amplification step in the method for selecting a sugar beet black rot resistant variety of Embodiment 1;
- FIG. 5 A is a diagram showing the results of QTL analysis on the sugar beet root disease development index by individual in the sugar beet F2 generation.
- B is a figure which shows the result of the QTL analysis regarding the sugar beet black root disease onset index in sugar beet F2 individual F3 system group.
- the horizontal axis chr indicates the chromosome and the number indicates the chromosome number.
- the vertical axis shows the odds logarithm, which is the possibility of the QTL position.
- FIG. 6 is a view showing the results of selection for sugar beet black rot resistant varieties by the method for selecting sugar beet black rot resistant cultivars according to Embodiment 1.
- FIG. 7 A linkage map of sugar beet root resistance gene Acrl and each nucleotide sequence having the nucleotide sequence of claims 6-8.
- C1.6, C1.7, and C1.8 represent base sequence loci having the base sequences described in claim 6, claim 7, and claim 8, respectively.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Mycology (AREA)
- Botany (AREA)
- Immunology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07742387.9A EP2017336B1 (en) | 2006-04-28 | 2007-04-25 | Marker for selecting aphanomyces cochlioides-resistant variety and selection method therefor |
JP2008513239A JP4962744B2 (ja) | 2006-04-28 | 2007-04-25 | テンサイ黒根病抵抗性品種選抜マーカーとその選抜方法 |
US12/226,813 US8519223B2 (en) | 2006-04-28 | 2007-04-25 | Marker for selecting an aphanomyces cochlioides-resistant variety and selection method therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-126570 | 2006-04-28 | ||
JP2006126570 | 2006-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007125958A1 true WO2007125958A1 (ja) | 2007-11-08 |
Family
ID=38655484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/058952 WO2007125958A1 (ja) | 2006-04-28 | 2007-04-25 | テンサイ黒根病抵抗性品種選抜マーカーとその選抜方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8519223B2 (ja) |
EP (1) | EP2017336B1 (ja) |
JP (1) | JP4962744B2 (ja) |
WO (1) | WO2007125958A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012147635A1 (ja) * | 2011-04-28 | 2012-11-01 | トヨタ自動車株式会社 | サトウキビ属植物の黒穂病抵抗性関連マーカーとその利用 |
WO2015034040A1 (ja) | 2013-09-09 | 2015-03-12 | トヨタ自動車株式会社 | イチゴ属植物の炭疽病抵抗性関連マーカーとその利用 |
US9677134B2 (en) | 2010-12-03 | 2017-06-13 | Toyota Jidosha Kabushiki Kaisha | Sugarcane-stalk-sugar-content-related marker and the use thereof |
CN110656186A (zh) * | 2019-10-31 | 2020-01-07 | 新疆农业科学院植物保护研究所 | 一种快速鉴定核桃黑斑蚜的试剂盒及方法 |
WO2020009113A1 (ja) | 2018-07-03 | 2020-01-09 | トヨタ自動車株式会社 | サトウキビ属植物の黒穂病抵抗性関連マーカーとその利用 |
US10617076B2 (en) | 2012-03-26 | 2020-04-14 | Toyota Jidosha Kabushiki Kaisha | Stalk-length-related marker derived from genome of wild-type sugarcane and use thereof |
US11814638B2 (en) | 2018-07-03 | 2023-11-14 | Toyota Jidosha Kabushiki Kaisha | Marker associated with smut resistance in plant belonging to genus Saccharum and use thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4267181A1 (en) * | 2020-12-23 | 2023-11-01 | Daykin Molecular Systems, LLC | Nucleic acid stabilizing solution for vaccines, therapy, diagnostics, storage, and transport |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004321055A (ja) * | 2003-04-23 | 2004-11-18 | Japan Science & Technology Agency | 小穂非脱落性遺伝子等についての新規遺伝マーカーおよびその利用法 |
-
2007
- 2007-04-25 EP EP07742387.9A patent/EP2017336B1/en active Active
- 2007-04-25 JP JP2008513239A patent/JP4962744B2/ja active Active
- 2007-04-25 WO PCT/JP2007/058952 patent/WO2007125958A1/ja active Application Filing
- 2007-04-25 US US12/226,813 patent/US8519223B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004321055A (ja) * | 2003-04-23 | 2004-11-18 | Japan Science & Technology Agency | 小穂非脱落性遺伝子等についての新規遺伝マーカーおよびその利用法 |
Non-Patent Citations (7)
Title |
---|
KAZUNORI TAGUCHI; NAOKI OOGATA; MASAKATSU TANAKA, PROCEEDINGS OF JAPANESE SOCIETY OF SUGAR BEET TECHNOLOGISTS, vol. 43, 2001, pages 36 - 43 |
See also references of EP2017336A4 |
TAGUCHI ET AL.: "AFLP oyobi RAPD ni yoru Sugar beet Rensa Chizu no Sakusei", JAPANESE SOCIETY OF BREEDING-CROP SCIENCE SOCIETY OF JAPAN HOKKAIDO DANWAKAI KAIHO, no. 44, 2003, pages 83 - 84, XP003019764 * |
TAGUCHI ET AL.: "Sugar beet Kuronebyo Teikosei Hinshu no Ikusei, 4th report, Kodo Kuronebyo Teikosei Keito 'NK-310mm-O' no Identeki Koka", JAPANESE SOCIETY OF BREEDING.CROP SCIENCE SOCIETY OF JAPAN HOKKAIDO DANWAKAI KAIHO, no. 45, 2004, pages 43 - 44, XP003019765 * |
TSUTOMU KAJIYAMA; FUMIO TANAKA, PROCEEDINGS OF JAPANESE SOCIETY OF SUGAR BEET TECHNOLOGISTS, vol. 42, 2000, pages 59 - 63 |
VOS P ET AL., NUCLEIC ACID RES., vol. 23, 1995, pages 4407 - 4414 |
VOS P. ET AL.: "AFLP: a new technique for DNA fingerprinting", NUCLECID ACIDS RESEARCH, vol. 23, no. 21, 1995, pages 4407 - 4414, XP001122037 * |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9677134B2 (en) | 2010-12-03 | 2017-06-13 | Toyota Jidosha Kabushiki Kaisha | Sugarcane-stalk-sugar-content-related marker and the use thereof |
US10526666B2 (en) | 2011-04-28 | 2020-01-07 | Toyota Jidosha Kabushiki Kaisha | Marker associated with resistance to smut in plant belonging to genus Saccharum, and use thereof |
JP2012235772A (ja) * | 2011-04-28 | 2012-12-06 | Toyota Motor Corp | サトウキビ属植物の黒穂病抵抗性関連マーカーとその利用 |
US9758841B2 (en) | 2011-04-28 | 2017-09-12 | Toyota Jidosha Kabushiki Kaisha | Marker associated with resistance to smut in plant belonging to genus Saccharum, and use thereof |
US10513744B2 (en) | 2011-04-28 | 2019-12-24 | Toyota Jidosha Kabushiki Kaisha | Marker associated with resistance to smut in plant belonging to genus Saccharum, and use thereof |
WO2012147635A1 (ja) * | 2011-04-28 | 2012-11-01 | トヨタ自動車株式会社 | サトウキビ属植物の黒穂病抵抗性関連マーカーとその利用 |
US10612102B2 (en) | 2011-04-28 | 2020-04-07 | Toyota Jidosha Kabushiki Kaisha | Marker associated with resistance to smut in plant belonging to genus Saccharum, and use thereof |
US10617076B2 (en) | 2012-03-26 | 2020-04-14 | Toyota Jidosha Kabushiki Kaisha | Stalk-length-related marker derived from genome of wild-type sugarcane and use thereof |
WO2015034040A1 (ja) | 2013-09-09 | 2015-03-12 | トヨタ自動車株式会社 | イチゴ属植物の炭疽病抵抗性関連マーカーとその利用 |
US10982292B2 (en) | 2013-09-09 | 2021-04-20 | Toyota Jidosha Kabushiki Kaisha | Marker associated with anthracnose resistance in plant of the genus Fragaria and use thereof |
WO2020009113A1 (ja) | 2018-07-03 | 2020-01-09 | トヨタ自動車株式会社 | サトウキビ属植物の黒穂病抵抗性関連マーカーとその利用 |
US11814638B2 (en) | 2018-07-03 | 2023-11-14 | Toyota Jidosha Kabushiki Kaisha | Marker associated with smut resistance in plant belonging to genus Saccharum and use thereof |
CN110656186A (zh) * | 2019-10-31 | 2020-01-07 | 新疆农业科学院植物保护研究所 | 一种快速鉴定核桃黑斑蚜的试剂盒及方法 |
CN110656186B (zh) * | 2019-10-31 | 2023-07-14 | 新疆农业科学院植物保护研究所 | 一种快速鉴定核桃黑斑蚜的试剂盒及方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2017336A1 (en) | 2009-01-21 |
US20090222941A1 (en) | 2009-09-03 |
JP4962744B2 (ja) | 2012-06-27 |
JPWO2007125958A1 (ja) | 2009-09-10 |
EP2017336B1 (en) | 2017-10-11 |
EP2017336A4 (en) | 2009-10-21 |
US8519223B2 (en) | 2013-08-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103305510B (zh) | 稻瘟病抗性基因Pi9基因特异性分子标记Pi9SNP及制备与应用 | |
US20110015084A1 (en) | Methods for Identifying Genetic Linkage | |
JP4962744B2 (ja) | テンサイ黒根病抵抗性品種選抜マーカーとその選抜方法 | |
KR101095220B1 (ko) | 배추 뿌리혹병 저항성 연관 분자표지 및 이의 용도 | |
FI112093B (fi) | Menetelmä ja testipakkaus geneettisen identiteetin osoittamiseksi | |
BRPI0815612B1 (pt) | Métodos para identificar uma planta de soja que tem resistência a Meloidogyne incognita em ácido nucleico de soja, e molécula de ácido nucleico | |
US8710295B2 (en) | Soybean sequences associated with the FAP3 locus | |
CN114427007A (zh) | 一种与苦瓜全雌性相关的kasp分子标记及其应用 | |
WO2013081987A1 (en) | High throughput single nucleotide polymorphism assay | |
CN111593135A (zh) | 一种鉴别转基因材料及其自交、杂交、回交后代中内、外源基因的检测引物和方法 | |
CN109609687B (zh) | 用于检测西瓜枯萎病抗性的kasp标记引物组合及其应用 | |
WO2017196720A1 (en) | High throughput method to genotype plants | |
CN114480709A (zh) | 检测小麦抗叶锈病基因Lr47的分子标记、检测方法及其应用 | |
CN113249509B (zh) | 用于美洲黑杨和小叶杨种间杂交子代的鉴别引物和鉴定方法 | |
JP2002540799A (ja) | 新規なタイプのトランスポゾンに基づいた遺伝子マーカー | |
CN117683927A (zh) | 水稻抗稻瘟病基因的功能性kasp分子标记及其应用 | |
Huo et al. | Genetic mapping of the apospory-specific genomic region in Pennisetum squamulatum using retrotransposon-based molecular markers | |
CN111394491A (zh) | 蘑菇交配型分子标记及其在鉴定蘑菇交配型中的应用 | |
CN111961748B (zh) | 西瓜黄瓜绿斑驳花叶病毒病抗性鉴定snp分子标记及其用途 | |
CN110468226B (zh) | 杨树抗叶锈病的分子标记及其应用 | |
KR100490483B1 (ko) | 무사마귀병 내성 식물의 효과적 선발을 위한 유전자 마커,프라이머 키트 및 무사마귀병 내성 식물의 선발 방법 | |
CA2804853A1 (en) | Soybean gene cluster regions associated with aphid resistance and methods of use | |
KR101183996B1 (ko) | 메밀에서 유래된 ssr 프라이머 및 이의 용도 | |
JP4437895B2 (ja) | 小穂非脱落性遺伝子等についての新規遺伝マーカーおよびその利用法 | |
WO2015038470A1 (en) | Molecular markers for blackleg resistance gene rlm4 in brassica napus and methods of using the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07742387 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2008513239 Country of ref document: JP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REEP | Request for entry into the european phase |
Ref document number: 2007742387 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007742387 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12226813 Country of ref document: US |