WO2000031250A1 - Fragments d'acides nucleiquse, vecteur de recombinaison contenant de tels fragments, et procede utilisant de tels fragments pour favoriser l'expression d'un gene structurel - Google Patents
Fragments d'acides nucleiquse, vecteur de recombinaison contenant de tels fragments, et procede utilisant de tels fragments pour favoriser l'expression d'un gene structurel Download PDFInfo
- Publication number
- WO2000031250A1 WO2000031250A1 PCT/JP1999/005221 JP9905221W WO0031250A1 WO 2000031250 A1 WO2000031250 A1 WO 2000031250A1 JP 9905221 W JP9905221 W JP 9905221W WO 0031250 A1 WO0031250 A1 WO 0031250A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nucleic acid
- acid fragment
- seq
- sequence
- structural gene
- 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
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/11—DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
- C12N15/113—Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
- C12N15/82—Vectors or expression systems specially adapted for eukaryotic hosts for plant cells, e.g. plant artificial chromosomes (PACs)
- C12N15/8216—Methods for controlling, regulating or enhancing expression of transgenes in plant cells
Definitions
- the present invention relates to a nucleic acid fragment having a function of promoting the expression of a structural gene located downstream, a recombinant vector containing the nucleic acid fragment, and a method for expressing a structural gene using the same.
- Promoting the expression of foreign genes is the technology that is most needed when applying genetic engineering techniques to plants.
- One such technique is the use of DNA fragments that have the effect of promoting gene expression.
- DNA fragments that promote the expression of foreign genes include maize alcohol dehydrogenase intron (Callis et al. Gene & Development 1, 1183-1200 (1987)) and rice phospholipase D (hereinafter referred to as “phospholipase D”).
- phospholipase D rice phospholipase D
- the first intron which may be referred to as “PLD”) (International Publication W096 / 30510) and the like.
- the present invention there has been provided a novel nucleic acid fragment in which expression of the structural gene is significantly promoted by being incorporated into the upstream of the structural gene. Since the expression of the structural gene is promoted by inserting the nucleic acid fragment of the present invention upstream of the structural gene, the present invention provides, for example, the promotion of the expression of a foreign gene using a recombinant vector. It is expected to contribute greatly in the field of genetic engineering.
- BEST MODE FOR CARRYING OUT THE INVENTION-As described above the nucleic acid fragment of the present invention is a nucleic acid fragment having the nucleotide sequence shown in SEQ ID NO: 1 in the sequence listing or one or more bases in the nucleotide sequence are substituted.
- the nucleotide sequence shown in SEQ ID NO: 3 in the sequence listing is the nucleotide sequence of the first intron of rice PLD, and it has already been confirmed that the first intron of rice PLD has the effect of promoting the expression of a gene downstream thereof. This sequence is excluded because the applicant has made the disclosure (International Publication No. W096 / 30510).
- the base sequence shown in SEQ ID NO: 1 is from the second base (hereinafter referred to as “2 nt”) from the 5 ′ end of the first intron (SEQ ID NO: 3) of rice PLD to 65 nt. Is the base sequence of the region.
- a nucleic acid fragment in which one or more bases of the base sequence shown in SEQ ID NO: 1 have been substituted or deleted, or one or more bases have been inserted or added to the base sequence, and Nucleic acid fragments having an effect of promoting the expression of a structural gene located downstream are also included in the scope of the present invention.
- the portion corresponding to the sequence described in SEQ ID NO: 1 in the modified nucleic acid fragment is 70% or more, more preferably 85% or more, still more preferably 95% or more of the sequence described in SEQ ID NO: 1.
- they have homology.
- these modified nucleic acids are obtained by combining a nucleic acid having the nucleotide sequence of SEQ ID NO: 1 with a stringent condition (ie, 5 ⁇ Denhardt's reagent, 6 ⁇ SSC, 0.5% SDS or 0.1% SDS). 50 to 65 ° C, preferably 50 ° C and 60 ° C, or 50 ° C, 55 ° C using a general hybridization solution such as , 60 ° C.
- the nucleic acid fragment of the present invention can be easily prepared by chemical synthesis.
- the sequence of the first intron of the rice PLD gene is already known (International Publication WO096 / 30510), it can be easily prepared by a nucleic acid amplification method such as PCR using rice genomic DNA as type III. it can. PCR is well known in the art, and kits and devices therefor are commercially available and can be easily implemented.
- nucleic acid fragments of the present invention When a plurality of nucleic acid fragments of the present invention are linked, a plurality of nucleic acid fragments of the present invention may be linked in advance, or the nucleic acid fragment of the present invention may be inserted into a region containing the nucleic acid fragment of the present invention. Good.
- the nucleic acid fragment of the present invention is preferably inserted into an intron sequence located upstream of a structural gene whose expression is to be promoted.
- an intron sequence is not particularly limited, but a preferred example is the first intron (SEQ ID NO: 3) of the rice PLD gene.
- the insertion position of the nucleic acid fragment of the present invention is not particularly limited. Part of the primer may be inserted together with the intron fragment.
- the intron is the first intron of the rice PLD gene (SEQ ID NO: 3)
- the PGR product was digested with restriction enzymes BamHI and Bgl II, and ⁇ the BamHI site in Maruchiku cloning site of P BI221 (pBI [PLD (2 65)], pBI [PLD (66-1
- the intron sequences was digested with 65-th site by connexion intron B g III, was inserted a PCR product of the digested with BamHI and Bgl II (pBI [PLD + PLD (2- 65)] and pBI [PLD + PLD (66-120)]).
- pBI [PLD + PLD (2- 65)] and pBI [PLD + PLD (66-120)] According to the method described in a previous report (Shimamoto et al. Nature, 338, 274-276 (1989)), the above set was described in cultured rice cells (Baba et al. Plant Cell Physiol. 27, 463-471 (1986)). After introducing the recombinant plasmid, -glucuronidase (GUS) activity was measured. Table 1 shows the relative values of the activity.
- SEQ ID NO: 1 shows the nucleotide sequence of the 2 nt to 65 nt region
- SEQ ID NO: 4 shows the nucleotide sequence of an intron (including 10 exon sequences at both ends) overlapping the 2 nt to 65 nt region
- SEQ ID NO: 2 shows the sequence of the intron portion excluding the exon sequences at both ends.
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- Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Molecular Biology (AREA)
- Microbiology (AREA)
- Plant Pathology (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Cell Biology (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Saccharide Compounds (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Peptides Or Proteins (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99946442A EP1050580B1 (en) | 1998-11-19 | 1999-09-24 | Nucleic acid fragments, recombinant vector containing the same and method for promoting the expression of structural gene by using the same |
KR1020007007761A KR20010034142A (ko) | 1998-11-19 | 1999-09-24 | 핵산단편, 그것을 포함하는 재조합 벡터 및 그것을 사용한구조유전자의 발현촉진방법 |
DE69931754T DE69931754T2 (de) | 1998-11-19 | 1999-09-24 | Nukleinsäurefragmente, rekombinante vektoren, welche diese enthalten und verfahren zum unterstützen der expression von strukturellen genen durch anwendung derselben |
US09/600,602 US6861517B1 (en) | 1998-11-19 | 1999-09-24 | Nucleic acid fragments, recombinant vector containing the same and method for promoting the expression of structural gene by using the same |
CA002318401A CA2318401A1 (en) | 1998-11-19 | 1999-09-24 | Nucleic acid fragments, recombinant vector containing the same and method for promoting the expression of structural gene by using the same |
AU58845/99A AU771898B2 (en) | 1998-11-19 | 1999-09-24 | Nucleic acid fragments, recombinant vector containing the same and method for promoting the expression of structural gene by using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/329832 | 1998-11-19 | ||
JP10329832A JP2000152785A (ja) | 1998-11-19 | 1998-11-19 | 核酸断片、それを含む組換えベクター及びそれを用いた構造遺伝子の発現促進方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000031250A1 true WO2000031250A1 (fr) | 2000-06-02 |
Family
ID=18225738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/005221 WO2000031250A1 (fr) | 1998-11-19 | 1999-09-24 | Fragments d'acides nucleiquse, vecteur de recombinaison contenant de tels fragments, et procede utilisant de tels fragments pour favoriser l'expression d'un gene structurel |
Country Status (10)
Country | Link |
---|---|
US (1) | US6861517B1 (ja) |
EP (1) | EP1050580B1 (ja) |
JP (1) | JP2000152785A (ja) |
KR (1) | KR20010034142A (ja) |
CN (1) | CN1198926C (ja) |
AT (1) | ATE329041T1 (ja) |
AU (1) | AU771898B2 (ja) |
CA (1) | CA2318401A1 (ja) |
DE (1) | DE69931754T2 (ja) |
WO (1) | WO2000031250A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU784292B2 (en) | 1999-09-27 | 2006-03-02 | Japan Tobacco Inc. | Nucleic acid fragment, recombinant vector containing the same and method of promoting the expression of structural gene by using the same |
JP4834900B2 (ja) * | 2000-08-07 | 2011-12-14 | ナガセケムテックス株式会社 | プロモーター、それを有するベクター、および組換え微生物、並びにタンパク質の製造方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996030510A1 (fr) * | 1995-03-29 | 1996-10-03 | Japan Tobacco Inc. | Fragment d'adn, vecteur de recombinaison le contenant et procede d'expression d'un gene etranger l'utilisant |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5593874A (en) | 1992-03-19 | 1997-01-14 | Monsanto Company | Enhanced expression in plants |
EP0685559B1 (en) | 1993-09-30 | 2004-12-01 | Japan Tobacco Inc. | Plant-derived phospholipase d gene |
AU727951B2 (en) | 1996-02-21 | 2001-01-04 | Japan Tobacco Inc. | Method of changing the composition of the phospholipid produced by the living body and recombinant vector therefor |
JP3413207B2 (ja) * | 1996-06-12 | 2003-06-03 | 日本たばこ産業株式会社 | 外来遺伝子の発現方法及びそのためのベクター |
-
1998
- 1998-11-19 JP JP10329832A patent/JP2000152785A/ja active Pending
-
1999
- 1999-09-24 AT AT99946442T patent/ATE329041T1/de not_active IP Right Cessation
- 1999-09-24 KR KR1020007007761A patent/KR20010034142A/ko not_active Application Discontinuation
- 1999-09-24 CN CNB998036749A patent/CN1198926C/zh not_active Expired - Fee Related
- 1999-09-24 DE DE69931754T patent/DE69931754T2/de not_active Expired - Fee Related
- 1999-09-24 AU AU58845/99A patent/AU771898B2/en not_active Ceased
- 1999-09-24 WO PCT/JP1999/005221 patent/WO2000031250A1/ja not_active Application Discontinuation
- 1999-09-24 CA CA002318401A patent/CA2318401A1/en not_active Abandoned
- 1999-09-24 US US09/600,602 patent/US6861517B1/en not_active Expired - Fee Related
- 1999-09-24 EP EP99946442A patent/EP1050580B1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996030510A1 (fr) * | 1995-03-29 | 1996-10-03 | Japan Tobacco Inc. | Fragment d'adn, vecteur de recombinaison le contenant et procede d'expression d'un gene etranger l'utilisant |
Non-Patent Citations (3)
Title |
---|
CLANCY M. ET AL.: "Maize Shrunken-1 intron and exon regions increase gene expression in maize protoplasts", PLANT SCIENCE,, vol. 98, no. 2, 1994, pages 151 - 161, XP002927003 * |
MITSUHARA I. ET AL.: "Efficient Promoter Cassettes for Enhanced of Foreign Genes in Dicotyledonous and Monocotyledonous Plants", PLANT CELL PHYSIOL.,, vol. 37, no. 1, 1996, pages 49 - 59, XP002927004 * |
UEKI J. ET AL.: "The synergistic effects of two-intron insertions on heterologous gene expression and advantages of the first intron of a rice gene for phospholipase D", PLANT CELL PHYSIOL.,, vol. 40, no. 6, 1999, pages 618 - 623, XP002927002 * |
Also Published As
Publication number | Publication date |
---|---|
AU771898B2 (en) | 2004-04-08 |
JP2000152785A (ja) | 2000-06-06 |
DE69931754D1 (de) | 2006-07-20 |
CA2318401A1 (en) | 2000-06-02 |
EP1050580A4 (en) | 2004-06-09 |
CN1198926C (zh) | 2005-04-27 |
US6861517B1 (en) | 2005-03-01 |
CN1292819A (zh) | 2001-04-25 |
AU5884599A (en) | 2000-06-13 |
EP1050580B1 (en) | 2006-06-07 |
KR20010034142A (ko) | 2001-04-25 |
EP1050580A1 (en) | 2000-11-08 |
DE69931754T2 (de) | 2007-06-14 |
ATE329041T1 (de) | 2006-06-15 |
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