Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 510346
Title Altered expression of the bZIP transcription factor DRINK ME affects growth and reproductive development in Arabidopsis thaliana
Author(s) Lozano-Sotomayor, Paulina; Chávez Montes, Ricardo A.; Silvestre-Vañó, Marina; Herrera-Ubaldo, Humberto; Greco, Raffaella; Pablo-Villa, Jeanneth; Galliani, Bianca M.; Diaz-Ramirez, David; Weemen, Mieke; Boutilier, Kim
Source The Plant Journal 88 (2016)3. - ISSN 0960-7412 - p. 437 - 451.
Department(s) PRI BIOS Plant Development Systems
Publication type Refereed Article in a scientific journal
Publication year 2016
Keyword(s) Arabidopsis thaliana - bZIP transcription factor - bZIP30 - DRINK ME - growth - meristem activity - reproductive development

Here we describe an uncharacterized gene that negatively influences Arabidopsis growth and reproductive development. DRINK ME (DKM; bZIP30) is a member of the bZIP transcription factor family, and is expressed in meristematic tissues such as the inflorescence meristem (IM), floral meristem (FM), and carpel margin meristem (CMM). Altered DKM expression affects meristematic tissues and reproductive organ development, including the gynoecium, which is the female reproductive structure and is determinant for fertility and sexual reproduction. A microarray analysis indicates that DKM overexpression affects the expression of cell cycle, cell wall, organ initiation, cell elongation, hormone homeostasis, and meristem activity genes. Furthermore, DKM can interact in yeast and in planta with proteins involved in shoot apical meristem maintenance such as WUSCHEL, KNAT1/BP, KNAT2 and JAIBA, and with proteins involved in medial tissue development in the gynoecium such as HECATE, BELL1 and NGATHA1. Taken together, our results highlight the relevance of DKM as a negative modulator of Arabidopsis growth and reproductive development.

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