WO1999015679A1 - Promoteur specifique des petales et procede d'obtention de plantes a fleurs sans petale - Google Patents
Promoteur specifique des petales et procede d'obtention de plantes a fleurs sans petale Download PDFInfo
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- WO1999015679A1 WO1999015679A1 PCT/FR1998/002043 FR9802043W WO9915679A1 WO 1999015679 A1 WO1999015679 A1 WO 1999015679A1 FR 9802043 W FR9802043 W FR 9802043W WO 9915679 A1 WO9915679 A1 WO 9915679A1
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- Prior art keywords
- plants
- sequence
- petals
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- petal
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/415—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from plants
-
- 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)
- C12N15/8201—Methods for introducing genetic material into plant cells, e.g. DNA, RNA, stable or transient incorporation, tissue culture methods adapted for transformation
- C12N15/8214—Plastid transformation
-
- 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
- C12N15/8222—Developmentally regulated expression systems, tissue, organ specific, temporal or spatial regulation
- C12N15/8223—Vegetative tissue-specific promoters
- C12N15/8225—Leaf-specific, e.g. including petioles, stomata
-
- 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)
- C12N15/8241—Phenotypically and genetically modified plants via recombinant DNA technology
- C12N15/8261—Phenotypically and genetically modified plants via recombinant DNA technology with agronomic (input) traits, e.g. crop yield
- C12N15/8271—Phenotypically and genetically modified plants via recombinant DNA technology with agronomic (input) traits, e.g. crop yield for stress resistance, e.g. heavy metal resistance
- C12N15/8279—Phenotypically and genetically modified plants via recombinant DNA technology with agronomic (input) traits, e.g. crop yield for stress resistance, e.g. heavy metal resistance for biotic stress resistance, pathogen resistance, disease resistance
- C12N15/8282—Phenotypically and genetically modified plants via recombinant DNA technology with agronomic (input) traits, e.g. crop yield for stress resistance, e.g. heavy metal resistance for biotic stress resistance, pathogen resistance, disease resistance for fungal resistance
Definitions
- the present invention relates in particular to a specific promoter for petals and to a process for obtaining flowering plants without petals.
- the present invention therefore proposes to obtain plants whose flowers are devoid of petals. It consists in implementing a promoter region controlling expression specifically in the petals of a sequence
- the present invention therefore relates to a nucleotide sequence of which it has been demonstrated that the corresponding gene is expressed specifically in the petal, this nucleotide sequence corresponds to SEQ ID N ° 5
- the subject of the present invention is a nucleotide sequence which corresponds to all or part a) of the sequence according to SEQ ID No. 5, or b) of a sequence hybridizing to the sequence according to a), or c) of a sequence having at least 80% homology with a) or b)
- the most interesting part of this nucleotide sequence is the promoter region defined as being the preceding sequence (5 ′ side) the translation start codon (ATG) Strito sensu this promoter region extends from nucleotide 1 to nucleotide 3265 (i.e.
- this region extends preferably from nucleotide 1 to nucleotide 3233 (corresponding to the downstream site) and even more preferably from nucleotide 2911 to nucleotide 3233 of SEQ ID N ° 5
- This promoter region therefore precedes in its natural state, an orf which is expressed specifically in the petals and in the case where this orf is replaced (by genetic manipulation) by another orf whose product is a cytotoxic molecule, the latter is susceptible to destroy only said petals
- the replacement can also be carried out by a part of a gene capable, during its specific expression in the petal, of modifying its original characteristics
- the present invention therefore also relates to vectors for cellular expression comprising a promoter region as described above placed upstream of a DNA sequence coding for a product capable of modifying the structure, the shape, the coloring and / or the texture of flower petals, as well as a process for obtaining ornamental plants comprising the insertion into said plants of one of these vectors.
- the invention also includes the case where said DNA sequence codes for a cytotoxic product.
- the cytotoxic product in question is a ribonuclease.
- RNase expresses itself specifically in the petals, it will destroy all the RNAs, which the petal will not be able to survive.
- RNase is bamase, whose corresponding orf was isolated from Bacillus amyloliquefasciens (Hartley RW, 1988).
- transformation of other plants and in particular of rapeseed can be carried out by the intermediary of Agrobacterium tumefaciens and / or Agrobacterium rhizogenes using various techniques, now conventional (transformation of leaf discs, hypo- acetabulum of floral stems .%) associating a phase of co-culture of the bacterium with plant tissues, followed by the selection and regeneration of cells transformed into whole plants.
- Other transformation techniques do not involve this bacterium and make it possible to directly transfer the cloned gene into cells or tissues (electroporation, particle cannon, etc.) and to select and obtain transformed plants (technique reviewed by Siemens and Schieder).
- the present invention also relates to plant cells transformed with a vector in accordance with the invention as well as plants comprising said cells.
- the invention also relates to plants whose flowers have no petals. As indicated previously, the present invention therefore makes it possible to obtain plants whose flowers have no petals; the method according to the invention comprising the insertion into plants of a vector as described above and comprising a DNA sequence coding for a cytotoxic product.
- a possible example of such a system consists in inactivating the expression product which it is desired to control by inserting at least one stop codon at the start of the corresponding coding sequence then adding in trans into the system, a tRNA says "suppressor" which will recognize the stop codon (s) and provide the amino acid it carries instead of finishing the translation. The protein can then be fully translated and its activity restored.
- a tRNA says "suppressor" which will recognize the stop codon (s) and provide the amino acid it carries instead of finishing the translation. The protein can then be fully translated and its activity restored.
- Such a system has already been tested concerning the coding sequence of the GUS gene into which the amber stop codon has been inserted, the suppressor tRNA used carrying leucine.
- the functionality of such transactivation system using a suppressor tRNA u was checked in planta in Arabidopsis thaliana and Nicotiana tabacum.
- the present invention therefore also relates to a process for obtaining hybrid plants whose flowers do not have a petal and comprising the steps of: a) transformation of plants of line A with a vector in accordance with the invention and comprising a DNA sequence coding for cytotoxic sequence modified by the insertion of at least one stop codon, b) crossing of the plants of line A thus obtained with plants of line B expressing the gene for a suppressor tRNA, c) selection of the hybrid plants with flowers without petals.
- plants of line A are transformed by a construction similar to pIB352 as shown in FIG. 7.
- the plants according to the invention belong to the Brassicaceae family, preferably, it is rapeseed.
- Figure 1 illustrates the Northem hybridization analysis of polyA + RNA (2 ⁇ g) and total RNA (10 ⁇ g) of rapeseed.
- the membrane is hybridized with the whole 9.2 cDNA labeled with 32 P.
- the revelation is made after 24 hours of exposure at -80 ° C. with a screen.
- the mRNAs identified have an approximate size of 800 bp.
- Seedling 1 one week old seedling
- Seedling 2 two week old seedling
- FIG. 2 illustrates the comparison of the protein sequences of Arabidopsis thaliana (top) and rapeseed (bottom) deduced from cDNA X74360 respectively (SEQ ID No. 1) and 9.2 (SEQ ID No. 2).
- the Arabidopsis thaliana protein is 140 aa long while the rapeseed protein is 147 aa long. The homology between the two being 74.6%.
- the stars identify the amino acids common to the two sequences and the points appearing in the cDNA of Arabidopsis thaliana have been indicated only to allow the placing in front of each other of the sequences common to the two plants, the sequence of Arabidopsis thaliana having to be read continuously, that is that is to say, ignoring said points.
- FIG. 3 represents the alignment of the nucleotide sequences of the
- FIG. 4 represents the partial restriction maps of the genomic clones (A Downstream, B BamHl, El EcoRl, EV EcoRW, HH ndlll, Hc H cll,? Psil, S Sacl, SI S ⁇ / l, Xb Xba ⁇ , ⁇ X Xho )
- FIG. 5 represents the 5'- 3 'sequence of the genomic clone 4 1 1 (SEQ ED N ° 5)
- the palindromic sequence has been underlined twice, the coding sequence has been underlined once
- the following restriction sites have been identified BamHI (in position 1) GGATCC, Sali (in position 2911) GTCGAC and Downstream (in position 3229) CCCGAG.
- FIG. 6 represents the constructions carried out with the promoters of the genomic clones 4 1 1 and 8 1 1 promoter region distal of the genomic clone 4 1 1 palindromic sequence promoter region proximal of the genomic clone 4 1 1 promoter region of 322 bp of the genomic clone 4.1 1 322 bp promoter region of the genomic clone 8 1 1 terminator of the nopaline synthase gene coding sequence of the reporter gene gus coding sequence of the gene 4 1 1 3 'region of the gene 4 1 1 not translated
- FIG. 7 illustrates the constructions carried out with the 322 bp promoter of the genomic clone 4 1 1 promoter of 322 bp of the genomic clone 4.1.1 coding sequence of the reporter gene gus coding sequence of the wild barnase gene coding sequence of the mutated barnase gene terminator of the nopaline synthase gene CaS 19S terminator
- the first step consisted in obtaining complementary DNA clones (cDNA) expressed specifically in the petal.
- cDNA complementary DNA clones
- CDNAs were synthesized from messenger RNA (mRNA) from rapeseed petals.
- cDNAs were synthesized from mRNA from leaves, flower buds from which the petals were removed and stamens.
- the cDNAs from said organs or tissues have been subtracted from the cDNAs derived from the mRNAs expressed in the rapeseed petal.
- the molecules resulting from this subtraction were used during a differential hybridization experiment of a petal cDNA library according to a technique similar to that presented by Atanassov et al. 1996.
- Sequences of sequence homology in the databases show a strong similarity between the protein deduced from the open reading phase (orf) of clone 9.2 and the coding sequence of a gene from Arabidopsis thaliana (X74360) coding for a putative protein of the wall whose expression is regulated by gibberellins (Phillips and Huttly, 1994) ( Figure 2).
- the degree of homology presented by the corresponding respective cDNA sequences is greater than 80% in the first 500 bases and then disappears completely on the remaining 220 (FIG. 3).
- the rapeseed cDNA clone 9.2 served as a probe to screen a genomic library of rapeseed. Seven genomic clones were isolated. Based on the restriction maps and sequences, these seven clones fall into two groups suggesting the existence in rapeseed of a family of at least two genes named in the rest of the text 4.1.1 and 8.1.1 ( figure 4).
- the cDNA 9.2 is derived from the corresponding gene of the genomic clone 4.1.1.
- constructs fall into two categories depending on the gold placed under the control of regulatory sequences: the reporter gene GUS to study the expression profiles and verify the specificity conferred by the promoter, the wild or inactivated barnase gene to prevent the formation of the petal by expression in this organ of this toxic gene (Figures 6 and 7 detail the composition of each construct).
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- Genetics & Genomics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Microbiology (AREA)
- Physics & Mathematics (AREA)
- Plant Pathology (AREA)
- Cell Biology (AREA)
- Botany (AREA)
- Gastroenterology & Hepatology (AREA)
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- Proteomics, Peptides & Aminoacids (AREA)
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU92708/98A AU740911C (en) | 1997-09-23 | 1998-09-23 | Petal-specific promoter and method for obtaining plants having flowers with no petals |
CA002304569A CA2304569A1 (fr) | 1997-09-23 | 1998-09-23 | Promoteur specifique des petales et procede d'obtention de plantes a fleurs sans petale |
EP98945367A EP1017833A1 (fr) | 1997-09-23 | 1998-09-23 | Promoteur specifique des petales et procede d'obtention de plantes a fleurs sans petale |
JP2000512968A JP2001517450A (ja) | 1997-09-23 | 1998-09-23 | 花弁特異的プロモーターおよび花弁のない花を有する植物を作出する方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9711832A FR2768746B1 (fr) | 1997-09-23 | 1997-09-23 | Promoteur specifique des petales et procede d'obtention de plantes a fleurs sans petale |
FR97/11832 | 1997-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999015679A1 true WO1999015679A1 (fr) | 1999-04-01 |
Family
ID=9511383
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1998/002043 WO1999015679A1 (fr) | 1997-09-23 | 1998-09-23 | Promoteur specifique des petales et procede d'obtention de plantes a fleurs sans petale |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1017833A1 (fr) |
JP (1) | JP2001517450A (fr) |
AU (1) | AU740911C (fr) |
CA (1) | CA2304569A1 (fr) |
FR (1) | FR2768746B1 (fr) |
WO (1) | WO1999015679A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002029028A3 (fr) * | 2000-10-03 | 2002-07-25 | Aventis Cropscience Nv | Brassicaceae a developpement floral modifie |
WO2004053134A1 (fr) | 2002-12-12 | 2004-06-24 | Bayer Cropscience S.A. | Cassette d'expression codant pour la 5-enolpyruvylshikimate-3-phosphate synthase (epsps) et plantes tolerantes aux herbicides en contenant |
WO2004027070A3 (fr) * | 2002-09-03 | 2004-07-01 | Sungene Gmbh & Co Kgaa | Cassettes d'expression transgenique destinees a l'expression d'acides nucleiques dans les tissus de fleurs non reproductifs de plantes |
US10138490B2 (en) | 2002-09-11 | 2018-11-27 | Michel Matringe | Transformed plants tolerant to herbicides due to overexpression of prephenate dehydrogenase and p-hydroxyphenylpyruvate dioxygenase |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012005348A (ja) * | 2008-10-10 | 2012-01-12 | Nagoya Univ | 花弁特異的プロモーター及びその利用 |
CN109362562A (zh) * | 2018-12-26 | 2019-02-22 | 江西省农业科学院作物研究所 | 一种带有桔黄花色标记性状的甘蓝型油菜恢复系选育方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0524910A2 (fr) * | 1991-07-25 | 1993-01-27 | Sandoz Ltd. | Modulation des couleurs florales |
WO1993014211A1 (fr) * | 1992-01-09 | 1993-07-22 | John Innes Foundation | Regulation des genes des plantes |
WO1994000582A2 (fr) * | 1992-06-30 | 1994-01-06 | Bruinsma Seeds B.V. | Procede d'obtention d'une plante a morphologie florale modifiee, et procede de protection des plantes contre les insectes nuisibles |
EP0823480A1 (fr) * | 1996-08-06 | 1998-02-11 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Expression contrÔlée de gènes en plantes |
-
1997
- 1997-09-23 FR FR9711832A patent/FR2768746B1/fr not_active Expired - Fee Related
-
1998
- 1998-09-23 WO PCT/FR1998/002043 patent/WO1999015679A1/fr not_active Application Discontinuation
- 1998-09-23 JP JP2000512968A patent/JP2001517450A/ja active Pending
- 1998-09-23 CA CA002304569A patent/CA2304569A1/fr not_active Abandoned
- 1998-09-23 AU AU92708/98A patent/AU740911C/en not_active Ceased
- 1998-09-23 EP EP98945367A patent/EP1017833A1/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0524910A2 (fr) * | 1991-07-25 | 1993-01-27 | Sandoz Ltd. | Modulation des couleurs florales |
WO1993014211A1 (fr) * | 1992-01-09 | 1993-07-22 | John Innes Foundation | Regulation des genes des plantes |
WO1994000582A2 (fr) * | 1992-06-30 | 1994-01-06 | Bruinsma Seeds B.V. | Procede d'obtention d'une plante a morphologie florale modifiee, et procede de protection des plantes contre les insectes nuisibles |
EP0823480A1 (fr) * | 1996-08-06 | 1998-02-11 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. | Expression contrÔlée de gènes en plantes |
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Cited By (5)
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WO2002029028A3 (fr) * | 2000-10-03 | 2002-07-25 | Aventis Cropscience Nv | Brassicaceae a developpement floral modifie |
WO2004027070A3 (fr) * | 2002-09-03 | 2004-07-01 | Sungene Gmbh & Co Kgaa | Cassettes d'expression transgenique destinees a l'expression d'acides nucleiques dans les tissus de fleurs non reproductifs de plantes |
US7402733B2 (en) | 2002-09-03 | 2008-07-22 | Sungene Gmbh & Co. Kgaa | Transgenic expression cassettes for expressing nucleic acids in non-reproductive floral tissues of plants |
US10138490B2 (en) | 2002-09-11 | 2018-11-27 | Michel Matringe | Transformed plants tolerant to herbicides due to overexpression of prephenate dehydrogenase and p-hydroxyphenylpyruvate dioxygenase |
WO2004053134A1 (fr) | 2002-12-12 | 2004-06-24 | Bayer Cropscience S.A. | Cassette d'expression codant pour la 5-enolpyruvylshikimate-3-phosphate synthase (epsps) et plantes tolerantes aux herbicides en contenant |
Also Published As
Publication number | Publication date |
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CA2304569A1 (fr) | 1999-04-01 |
FR2768746B1 (fr) | 2001-06-08 |
JP2001517450A (ja) | 2001-10-09 |
AU9270898A (en) | 1999-04-12 |
EP1017833A1 (fr) | 2000-07-12 |
FR2768746A1 (fr) | 1999-03-26 |
AU740911B2 (en) | 2001-11-15 |
AU740911C (en) | 2002-07-25 |
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