Regulation of legume seed size by an endosperm-expressed transcription factor
Autor: | Mélanie Noguero, Christine Le Signor, Vanessa Vernoud, Gregoire Aubert, Myriam Sanchez, Karine Gallardo-Guerrero, Jérôme Verdier, Richard Thompson |
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Přispěvatelé: | Agroécologie [Dijon], Institut National de la Recherche Agronomique (INRA)-Université de Bourgogne (UB)-AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement, Plant Biology Division, The Samuel Roberts Noble Foundation, Shanghai Centerfor Plant Stress Biology, Chinese Academy of Sciences (CAS), ProdInra, Migration |
Jazyk: | angličtina |
Rok vydání: | 2015 |
Předmět: | |
Zdroj: | Legume Perspectives Legume Perspectives, 2015, 7, pp.12-13 HAL |
ISSN: | 2340-1559 |
Popis: | BAP Pôle GEAPSI; International audience; There are numerous reports of transcription factors (TFs) which are implicated in the control of seed size and seed composition. We have identified, using a platform of TF sequences derived from the Medicago truncatula genome sequence, a class of TFs specifically expressed during the seed filling stage. One such TF, DASH, was shown to be confined to the developing endosperm. We investigated the role played by DASH through analysis of mutant alleles. These give rise to seed-lethal or near-lethal phenotypes, with degeneration of the endosperm and arrested embryo development. The relation of this phenotype to seed auxin action was investigated. |
Databáze: | OpenAIRE |
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