Genes regulating plant branching, promotors, genetic constructs containing same and uses thereof
First Claim
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1. An isolated cDNA molecule capable of being translated into an amino acid sequence, said amino acid sequence comprising:
- a) a peptide having at least 95% identity with SEQ ID NO;
2, orb) the peptide having SEQ ID NO;
2;
wherein said peptide maintains the function of suppressing the development of axillary buds and/or branch elongation in a plant.
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Abstract
The invention relates to genes coding for TCP family transcription factors and having a biological role in the development of axillary buds and branch growth. Furthermore, the invention relates to the promoters of the transcription of said genes, to the genetic constructs containing same and to the uses thereof, including the use of agents that modulate the expression of these genes in order to modify plant architecture.
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8 Claims
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1. An isolated cDNA molecule capable of being translated into an amino acid sequence, said amino acid sequence comprising:
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a) a peptide having at least 95% identity with SEQ ID NO;
2, orb) the peptide having SEQ ID NO;
2;wherein said peptide maintains the function of suppressing the development of axillary buds and/or branch elongation in a plant. - View Dependent Claims (2, 6, 7)
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3. A vector comprising:
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(a) an isolated cDNA molecule capable of being translated into an amino acid sequence said amino acid sequence comprising; (i) a peptide having at least 95% identity with SEQ ID NO;
2, or(ii) the peptide having SEQ ID NO;
2, wherein said peptide maintains the function of suppressing the development of axillary buds and branch elongation;
or(b) a regulatory expression sequence operatively linked to the cDNA molecule according to (a), wherein; (i) the regulatory expression sequence comprises at least 95% identity with SEQ ID NO;
6, or(ii) the regulatory expression sequence is SEQ ID NO;
6. - View Dependent Claims (4, 5)
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8. A method for obtaining a plant having an increased number of branches with respect to a control plant comprising:
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(a) obtaining plant material from a plant (parent) which can be taxonomically classified as belonging to the species Solanum lycopersicum;
(b) subjecting the plant material of step (a) to a mutagenesis process; (c) culturing the mutated plant material until regenerating a complete plant, and its descendants; (d) analysing the descendants of the plants of step (c) to detect at least one loss of function mutation in at least one copy of a polynucleotide encoding a peptide having at least 95% identity with SEQ ID NO;
2 or the peptide having SEQ ID NO;
2;(e) selecting the descendants of the mutated plant with said at least one mutation in at least one copy of said polynucleotide; and (f) optionally, culturing the plant selected to obtain further descendants with said at least one mutation.
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Specification