WO1996035807A1 - Procede de discrimination individuelle par pcr utilisant une amorce mi - Google Patents
Procede de discrimination individuelle par pcr utilisant une amorce mi Download PDFInfo
- Publication number
- WO1996035807A1 WO1996035807A1 PCT/JP1996/001246 JP9601246W WO9635807A1 WO 1996035807 A1 WO1996035807 A1 WO 1996035807A1 JP 9601246 W JP9601246 W JP 9601246W WO 9635807 A1 WO9635807 A1 WO 9635807A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- primer
- dna
- dna fragments
- individual
- pcr reaction
- Prior art date
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Classifications
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- 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
- 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
-
- 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 method for identifying an animal or a plant individual based on a difference in DNA nucleotide sequence as an indicator.More specifically, the present invention relates to a method for identifying an individual living organism by a PCR reaction. Compared with the conventional method using a primer prepared based on an arbitrary base sequence, the present invention relates to a method that enables the method to be performed more effectively.
- a primer a specific DNA fragment (M PCR reaction using DNA primers, and the amplified DNA fragments are separated and stained by Acrylamide electrophoresis and silver staining.
- the present invention relates to a new method for identifying an individual organism, which is characterized by identifying an organism. Background art
- the present inventors have prepared a DNA fragment (MI primer) having a mirror-symmetric left-right base sequence found by the present inventors based on a known or arbitrary base sequence.
- the DNA fragment showing polymorphism is more clearly observed among the test individuals compared to the primer that was used, and therefore, the use of the Ml primer as a primer in the PCR reaction is effective for individual identification.
- the inventors have found that the present invention has been completed. Summary of the Invention
- the present invention provides a method for identifying an individual by a PCR reaction using an M I primer.
- a PlR reaction is carried out using a DNA fragment of a test individual and a primer having a symmetric base sequence, and the amplified DNA fragment is subjected to DNIA by acrylic acid electrophoresis and silver staining.
- the present invention relates to a method for identifying an individual living organism, comprising separating and staining an isolated DNA, and identifying a test individual based on a difference between amplified DNA fragments.
- the primer having a symmetric base sequence is selected from 5′—CCC TAAAGAA ATC CC-3 ′, 5′-TTTAGG GCGG GATTT-3 ′ and 5′—AG GGCC TTC CGG GA—3 ′.
- the present invention relates to a method for identifying the above-mentioned individual organism, which is a kind of the above-mentioned, and a method for identifying the above-mentioned individual organism, wherein the individual organism is an animal or plant individual.
- a plurality of DNA fragments exhibiting polymorphism among test individuals can be clearly confirmed, so that individual identification based on DNA sequence differences can be performed efficiently.
- a plurality of DNA fragments exhibiting polymorphism among test individuals can be clearly confirmed.
- a DNA fragment showing a polymorphism between test individuals is more clearly observed. Disclosure of the invention
- An object of the present invention is to provide a method for identifying individuals of animals and plants based on differences in DNA base sequences.
- the present invention makes it possible to clearly confirm a plurality of DNA fragments showing polymorphism among test individuals by using a specific primer (Ml primer) in an individual identification method by PCR. It is intended to provide a new individual identification method.
- the present invention for solving the above-mentioned problems is to carry out a PCR reaction using total DNA of a test individual with primers having base sequences symmetrical to the left and right.
- a method for identifying an individual living organism characterized by separating and staining DNA by silver staining and identifying test individuals based on differences in amplified DNA fragments.o
- the primers having a symmetric base sequence are (5′—CC CTAAAGAAATC CC-3 ′), (5′-TTTAG GGCGG GATTT-3 ′) and (5′-AG G
- G C C TTC C GGGA-3 ′ a method for identifying an individual organism as described above, which is a kind selected from the group consisting of:
- Another embodiment of the present invention is the method for identifying an individual organism according to claim 1, wherein the individual organism is an animal or plant individual.
- the present invention relates to a method for identifying a DNA of an individual organism by a PCR reaction.
- the amplified DNA fragments are separated and stained for DNA by acrylamide electrophoresis and silver staining, and test individuals are identified based on differences in amplified DNA fragments.
- the MI primer can be any primer (Mirror Image Primer, MI primer) consisting of a DNA fragment having a mirror-symmetric bilateral base (nucleotide) sequence.
- MI primer Marror Image Primer, MI primer
- Ml primers can be designed with an appropriate structure and used by synthesizing them with a DNA synthesizer.Otherwise, a base sequence having a mirror structure is searched for in the DNA of an organism and extracted from it. It is also possible to use it.
- the PCR reaction solution used for the PCR reaction uses the above-mentioned MI primer as a primer, and the total DNA, DNA polymerase, and four types of nucleotides (dATP, dCTP, d GT P, d TTP), calcium ion, magnesium ion, ⁇ buffer, and gelatin, and may be prepared by a conventional method.
- nucleotides dATP, dCTP, d GT P, d TTP
- ⁇ buffer calcium ion
- magnesium ion calcium ion
- ⁇ buffer ⁇ buffer
- gelatin there is no particular limitation. 5 ng, 0.5 units of DNA polymerase, 100 / M each of 4 types of nucleotides (dATP, dCTP, dGTP, dTTP), and KC1 as potassium ion 0. 0 5 M, Mg C l 2 and 0. 0 0 2 M as magnesium ions, p H buffer as T ris- CI to 0.1 0 1 M,
- the PCR reaction solution prepared as described above is subjected to a PCR reaction.
- the PCR reaction is performed using a PCR automation device such as DNA Thermal Cycler PJ480 (manufactured by Takara Shuzo) in a conventional manner. Just follow them.
- the PCR reaction conditions are as follows: treatment at 94 ° C for 2 minutes, followed by treatment at 94 ° C for 2 minutes, 56 ° C for 1 minute, and 72 ° C for 1 minute. It is desirable to repeat the treatment twice, and finally, to treat with 72 for 5 minutes, and by adjusting the temperature conditions of the PCR reaction, it is possible to amplify a plurality of DNA fragments.
- the whole DNA can be selectively amplified by the PCR reaction in the DNA region sandwiched between the binding portions of the primers.
- the DNA fragment amplified in the PCR reaction is separated by acrylamide electrophoresis.
- the acrylamide electrophoresis was carried out using a gel of 5% acrylamide (mass ratio of acrylamide to BIS acrylamide is 29: 1), and was measured at 100 V. Electrophoresis under voltage conditions is used as a preferable one, but is not limited to this, and it is possible to use agarose gel electrophoresis and other similar or similar ones .
- the separated DNA is stained by silver staining, and the difference in the electrophoretogram of the obtained DNA fragment is observed, whereby the difference between the test individuals is obtained. Confirm and determine multiple DNA fragments showing polymorphism.
- the present invention can be used as an individual identification method for animals and plants regardless of the type of organism, and includes plants such as rice, corn, soybean, wheat, oats, etc. It can be used as an individual identification method for organisms including mammals, microorganisms such as yeasts and lactic acid bacteria, and humans.
- the feature of the MI primer used in the present invention is that the base sequence is symmetrical as described above, as shown in the Examples described later.
- the temperature conditions of the PCR reaction it is possible to clearly confirm a plurality of DNA fragments exhibiting polymorphism among test individuals.
- more DNA fragments showing polymorphism among test individuals are more clearly observed as compared with the conventional primer prepared based on the known nucleotide sequence. This is presumed to be due to the fact that nucleotide sequences having a mirror structure and homology to the nucleotide sequence of the MI primer are scattered in the DNA.
- FIG. 1 shows a primer (Ml primer) having a symmetric base (nucleotide) sequence according to the present invention.
- Figure 2 shows the fragmentation of a DNA fragment amplified by PCR using a primer (5'-GTTGC GATCC-3 ') prepared based on an arbitrary base sequence of 10 bases by the conventional method. An electrophoretogram by cracrylamide electrophoresis is shown.
- FIG. 3 shows the results of PCR using primers (5 '— GGG GTG GAC GGGGC-3') prepared based on the 14-base sequence of a known human satellite DNA (lambda 33.3) by the conventional method.
- the electrophoretogram of the DNA fragment amplified by the reaction by acrylamide electrophoresis is shown.
- FIG. 4 shows the electrophoresis diagram of the DNA fragment amplified by the PCR reaction using the 15-base MI primer (5′—CCC TA AA GAAATC CC-3 ′) of the present invention, by acrylic acid electrophoresis. Show.
- FIG. 5 shows an electrophoretic diagram by acrylamide electrophoresis of a DNA fragment amplified by a PCR reaction using a 15-base MI primer (5′—TTTAGGGCGGGATTT-3 ′) of the present invention.
- FIG. 6 is an electrophoretic diagram of a DNA fragment amplified by a PCR reaction using a 14-base Ml primer (5′—AG GGCC TTCCG GGA—3 ′) of the present invention by acrylamide electrophoresis. Is shown.
- FIG. 1 shows a schematic diagram of an electrophoretogram of an amplified DNA fragment by acrylic acid electrophoresis.
- the maize inbred lines tested were the sum of “Na35”, “Na42j”, “H84”, “Na30”, “Na28”, and “Na2”. There are six types.
- the DNA was prepared by partially modifying the previous report (Murray MG and WF Thompson, Nucleic Acid Res. 8: 4321-4325 (1980)). After sowing the corn seeds in the dark, the seedlings 5 days later are frozen with liquid nitrogen, crushed, and then subjected to DNA extraction buffer 1 (0.14 IV [sorbitol, 0.22 MT ris—HC 1 , 0.022 M EDTA, 0.8 M NaCl, 0.8% CTAB, 1% sodium lauryl sulfate), and treat at 65 ° C for 30 minutes, followed by DNA extraction. Buffer 2 (24: 1 mixture of black form and isoamyl alcohol) was added and shaken for 30 minutes.
- centrifugation 1,000 g was performed for 15 minutes using a high-speed centrifuge, and the DNA solution in the upper layer was recovered.
- -HC 0.01 MEDTA DNA extraction buffer 4 (10% CATB, 0.8 MNaCl) were added and left to stand for 30 minutes. Thereafter, centrifugation (1,000 g) was performed for 15 minutes using a high-speed centrifuge, and the precipitate was recovered.
- the DNA extraction buffer 5 (0.01 MT ris-HCl, 0.0 0 1 MEDTA, dissolved in 1 MNaC 1).
- Cesium chloride and bromide chloride were added to the DNA solution, and the mixture was centrifuged with an ultracentrifuge for 8 hours (120,000 g) to collect the DNA fraction.Then, cesium chloride and bromide were added. DNA was prepared by removing thidium.
- the n + 1st arbitrary The MI primer was designed so that the base sequence would be symmetrical about the bases.
- Single-stranded DNA was synthesized using a DNAZRNA synthesizer 8905 manufactured by Millipore.
- the PCR reaction solution uses the above-mentioned MI primers as primers, and the total DNA, DNA polymerase, and four types of nucleotides (dATP, dCTP, dGTP, d A solution composed of TTP), calcium ion, magnesium ion, pH buffer, and gelatin was used.
- the PCR reaction solution contained 25 ng of total DNA, 0.5 unit of DNA polymerase, and 4 types of nucleotides (dATP, dCTP, dGTP, and dTTP) of the test individual. 100 ⁇ ⁇ , KC 1 as potassium ion, 0.05 ⁇ , MgCl 2 as magnesium ion, 0.02 M, Tris-HC1 as pH buffer, 0.0 A 1 M gelatin solution was prepared as a solution containing 0.001%.
- PCR reaction conditions were as follows: treatment at 94 ° C for 2 minutes, then repeated 40 times for 2 minutes at 94, 1 minute at 56, and 1 minute at 72, and finally at 72 ° C For 5 minutes.
- a DNA thermal cycler-PJ480 manufactured by Takara Shuzo was used as a PCR automation apparatus.
- the conditions for acrylamide electrophoresis were as follows: a gel of 5% acrylamide (mass ratio of acrylamide to BIS acrylamide: 29: 1) was used and a constant voltage of 100 V was used. Conditions.
- the electrophoresis tank for acrylamide electrophoresis uses a double-cooled slab electrophoresis apparatus Na-1123 made by Nippon Aid Co., Ltd. 0 0 was used.
- a DNA fragment of about 1500 base pairs in length was separated from about 100 base pairs.
- the processed gel was transferred to a developer included in the kit, shaken for 3 minutes, and then transferred to a stop solution included in the kit, and shaken for 3 minutes to stop the staining reaction. Next, transfer the gel to deionized water and shake for 2 minutes. After three repetitions, the gel was photographed.
- FIG. 2 shows the results when an arbitrary 10-base sequence (5′—GTTG C GATC C-3 ′) was used as a primer. Polymorphism is observed between the test lines for the DNA fragment indicated by the arrow, but it is unclear.
- FIG. 3 shows the results obtained when the 14-base sequence (5′-GGGGTGGACGGGGC-3 ′) of human satellite DNA (1 ambda33.3) was used as a primer. The number of DNA fragments amplified by the PCR reaction is large, and it is difficult to distinguish between strains.
- FIG. 4 shows the results obtained when the M1 primer having a sequence of 15 bases (5′-CCCCTAAAGAAATCCC-3 ′) was used. As indicated by the arrows, the DNA polymorphism between the strains is clearly observed for the three types of DNA fragments.
- FIG. 5 shows the results obtained when Ml primers having different 15-base sequences (5′—TTTAGGGCGGGATTT-3 ′) were used. As indicated by the arrows, the DNA polymorphism among the three strains is clearly observed for the three types of DNA fragments. Similarly, FIG.
- FIG. 7 schematically shows DNA fragments showing polymorphism. 7) Identification of test individuals based on differences in DNA fragments amplified by PCR reaction
- Fig. 7 schematically shows DNA fragments showing polymorphism.
- the use of the MI primer makes it possible to clearly observe DNA fragments exhibiting polymorphism between test individuals, and that the MI primer is effective for individual identification by using the MI primer as a primer in a PCR reaction. And that DNA fragments showing polymorphism between test lines are more clearly observed as compared with primers prepared based on known or arbitrary nucleotide sequences.
- a unique bar code DNA fragment
- the present invention performs a PCR reaction using primers (Ml primers) having mirror-symmetric base sequences, and uses the amplified DNA fragments for acrylamide electrophoresis and silver staining.
- DNA is separated and stained by the method described above, and the test individuals are identified based on the difference between the amplified DNA fragments.
- the present invention polymorphisms between test individuals are identified. Since the multiple DNA fragments shown can be clearly confirmed, individual identification based on DNA sequence differences can be performed efficiently.
- by adjusting the temperature conditions of the PCR reaction a plurality of DNA fragments exhibiting polymorphism among test individuals can be clearly confirmed.
- a primer prepared based on an arbitrary nucleotide sequence more DNA fragments showing polymorphism among test individuals are clearly observed.
- Sequence type nucleic acid
- Sequence type nucleic acid
- Sequence type nucleic acid
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Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/765,176 US5863772A (en) | 1995-05-12 | 1996-05-10 | Method of individual discrimination by polymerase chain reaction using MI primer |
EP96913727A EP0774517A4 (en) | 1995-05-12 | 1996-05-10 | METHOD FOR INDIVIDUAL DETECTION BY POLYMERASE CHAIN REACTION WITH MI-PRIMER |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13854395A JP3579497B2 (ja) | 1995-05-12 | 1995-05-12 | Miプライマーを用いたpcr反応による個体識別方法 |
JP7/138543 | 1995-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996035807A1 true WO1996035807A1 (fr) | 1996-11-14 |
Family
ID=15224618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/001246 WO1996035807A1 (fr) | 1995-05-12 | 1996-05-10 | Procede de discrimination individuelle par pcr utilisant une amorce mi |
Country Status (5)
Country | Link |
---|---|
US (1) | US5863772A (ja) |
EP (1) | EP0774517A4 (ja) |
JP (1) | JP3579497B2 (ja) |
CA (1) | CA2194958A1 (ja) |
WO (1) | WO1996035807A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19839573C2 (de) * | 1998-08-31 | 2001-07-12 | Genalysis Gmbh | Verfahren und Vorrichtung zum Nachweis von Nukleinsäure-Fragmenten |
EP2019687B1 (en) | 2006-03-29 | 2014-03-19 | Merial Limited | Vaccine against streptococci |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5364759B2 (en) * | 1991-01-31 | 1999-07-20 | Baylor College Medicine | Dna typing with short tandem repeat polymorphisms and identification of polymorphic short tandem repeats |
US5437975A (en) * | 1991-02-25 | 1995-08-01 | California Institute Of Biological Research | Consensus sequence primed polymerase chain reaction method for fingerprinting genomes |
-
1995
- 1995-05-12 JP JP13854395A patent/JP3579497B2/ja not_active Expired - Fee Related
-
1996
- 1996-05-10 US US08/765,176 patent/US5863772A/en not_active Expired - Fee Related
- 1996-05-10 WO PCT/JP1996/001246 patent/WO1996035807A1/ja not_active Application Discontinuation
- 1996-05-10 EP EP96913727A patent/EP0774517A4/en not_active Withdrawn
- 1996-05-10 CA CA002194958A patent/CA2194958A1/en not_active Abandoned
Non-Patent Citations (3)
Title |
---|
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, Vol. 60(8), (1994), M.R. FRIES et al., "Isolation, Characterization and Distribution of Denitrifying Toluene Degraders from a Variety of Habitats", pages 2802-2810. * |
JOURNAL OF CLINICAL MICROBIOLOGY, Vol. 32(11), (1994), A.C. REBOLL et al., "Discrimination of Epidemic and Sporadic Isolates of Acinetobacter Baumannii by Repetitive Element PCR-Mediated DNA Fingerprinting", pages 2635-2640. * |
See also references of EP0774517A4 * |
Also Published As
Publication number | Publication date |
---|---|
US5863772A (en) | 1999-01-26 |
JPH08308599A (ja) | 1996-11-26 |
JP3579497B2 (ja) | 2004-10-20 |
EP0774517A4 (en) | 1999-04-14 |
EP0774517A1 (en) | 1997-05-21 |
CA2194958A1 (en) | 1996-11-14 |
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