Please use this identifier to cite or link to this item: https://doi.org/10.1242/dev.035436
Title: Floral stem cell termination involves the direct regulation of AGAMOUS by PERIANTHIA
Authors: Das, P.
Ito, T. 
Wellmer, F.
Vernoux, T.
Dedieu, A.
Traas, J.
Meyerowitz, E.M.
Keywords: AGAMOUS
Arabidopsis
Flower development
Stem cells
Issue Date: 15-May-2009
Citation: Das, P., Ito, T., Wellmer, F., Vernoux, T., Dedieu, A., Traas, J., Meyerowitz, E.M. (2009-05-15). Floral stem cell termination involves the direct regulation of AGAMOUS by PERIANTHIA. Development 136 (10) : 1605-1611. ScholarBank@NUS Repository. https://doi.org/10.1242/dev.035436
Abstract: In Arabidopsis, the population of stem cells present in young flower buds is lost after the production of a fixed number of floral organs. The precisely timed repression of the stem cell identity gene WUSCHEL (WUS) by the floral homeotic protein AGAMOUS (AG) is a key part of this process. In this study, we report on the identification of a novel input into the process of floral stem cell regulation. We use genetics and chromatin immunoprecipitation assays to demonstrate that the bZIP transcription factor PERIANTHIA (PAN) plays a role in regulating stem cell fate by directly controlling AG expression and suggest that this activity is spatially restricted to the centermost region of the AG expression domain. These results suggest that the termination of floral stem cell fate is a multiply redundant process involving loci with unrelated floral patterning functions.
Source Title: Development
URI: http://scholarbank.nus.edu.sg/handle/10635/100697
ISSN: 09501991
DOI: 10.1242/dev.035436
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