Apr 22, 2010 · When SOC1 is induced at the shoot apex, SOC1 together with AGL24 directly activates LEAFY (LFY), a floral meristem identity gene. APETALA1 (AP1), activated mainly by FT, is also necessary to establish and maintain flower meristem identity.

In planta reporter-gene studies were used to determine the effects of the floral MADS domain proteins AP1, AGAMOUS (AG), and SEP3 on SOC1 expression. Our results provide strong evidence for the down-regulation of SOC1 in flowers by a number of floral MADS box proteins and attribute an important role to the SOC1 protein in its own repression.

When SOC1 is induced at the shoot apex, SOC1 together with AGL24 directly activates LEAFY (LFY), a floral meristem identity gene. APETALA1 (AP1), activated mainly by FT, is also necessary to...

Suppressor of overexpression of constans1 (SOC1) is one of the flowering pathway integrators and regulates the expression of LEAFY (LFY), which links floral induction and floral development. However, the mechanism by which SOC1, a MADS box …

Jul 12, 2012 · Genome-wide target gene analysis by ChIP-seq confirmed the binding of SOC1 to its own locus and shows that it also binds to a plethora of flowering-time regulatory and floral homeotic genes. In turn, the encoded floral homeotic MADS domain proteins appear to bind SOC1 regulatory sequences.

Apr 4, 2019 · SOC1 opposes PRC function at TFS1 through recruitment of the histone demethylase RELATIVE OF EARLY FLOWERING 6 (REF6) and the SWI/SNF chromatin remodeler ATPase BRAHMA (BRM).

Mar 25, 2013 · Taken together, ChIP analyses of inflorescence apices from ap1-1 cal-1 35S:AP1-GR wild-type and various mutants suggest that SVP, SOC1, AGL24, or SEP4 directly bind to TFL1 in different genetic contexts and in an AP1-dependent manner.

FT and SOC1 have been proposed to act in parallel pathways downstream of CO based on genetic analysis using weak ft alleles, since ft soc1 double mutants showed an additive effect in suppressing the early flowering of CO overexpressor plants.

Quantitative real-time PCR reveals that overexpression in Arabidopsis produces an early flowering phenotype by downregulating FLC and upregulating FT and produces abnormal floral organs by upregulating AP1, AP3 and PI expressions.

Oct 6, 2024 · Flowering time is a key agronomic trait that directly affects soybean yield. Both APETALA1 (AP1) and SUPPRESSOR OF OVEREXPRESSION OF CO 1 (SOC1) regulate flowering time in soybean, but their genetic and regulatory relationships have not been clarified.