Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.devcel.2009.03.011
Title: Regulation of Floral Patterning by Flowering Time Genes
Authors: Liu, C.
Xi, W.
Shen, L.
Tan, C.
Yu, H. 
Issue Date: 19-May-2009
Citation: Liu, C., Xi, W., Shen, L., Tan, C., Yu, H. (2009-05-19). Regulation of Floral Patterning by Flowering Time Genes. Developmental Cell 16 (5) : 711-722. ScholarBank@NUS Repository. https://doi.org/10.1016/j.devcel.2009.03.011
Abstract: Floral patterning in Arabidopsis requires activation of floral homeotic genes by the floral meristem identity gene, LEAFY (LFY). Here we show that precise activation of expression of class B and C homeotic genes in floral meristems is regulated by three flowering time genes, SHORT VEGETATIVE PHASE (SVP), SUPPRESSOR OF OVEREXPRESSION OF CONSTANS 1 (SOC1), and AGAMOUS-LIKE 24 (AGL24), through direct control of a LFY coregulator, SEPALLATA3 (SEP3). Orchestrated repression of SEP3 by SVP, AGL24, and SOC1 is mediated by recruiting two interacting chromatin regulators, TERMINAL FLOWER 2/LIKE HETEROCHROMATIN PROTEIN 1 and SAP18, a member of SIN3 histone deacetylase complex. Our finding of coordinated regulation of SEP3 by flowering time genes reveals a hitherto unknown genetic pathway that prevents premature differentiation of floral meristems and determines the appropriate timing of floral organ patterning. © 2009 Elsevier Inc. All rights reserved.
Source Title: Developmental Cell
URI: http://scholarbank.nus.edu.sg/handle/10635/101552
ISSN: 15345807
DOI: 10.1016/j.devcel.2009.03.011
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