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The Evening Complex integrates photoperiod signals to control flowering in rice [ChIP-Seq]

ABSTRACT: The Evening Complex integrates photoperiod signals to control flowering in rice [ChIP-Seq]

PROVIDER: PRJNA753538 | ENA |

REPOSITORIES: ENA

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The Evening Complex integrates photoperiod signals to control flowering in rice

Project description:The Evening Complex integrates photoperiod signals to control flowering in rice

| PRJNA753534 | ENA

The Evening Complex integrates photoperiod signals to control flowering in rice [RNA-Seq]

Project description:The Evening Complex integrates photoperiod signals to control flowering in rice [RNA-Seq]

| PRJNA753537 | ENA

The Evening Complex integrates photoperiod signals to control flowering in rice [RNA-Seq]

Project description:This study aim to understand how the long and short day flowering pathways are integrated and the mechanism of photoperiod perception in rice. Trascriptome at different time points under LD and SD conditions reveal that photoperiodism in rice is controlled by the evening complex. Mutants in LUX ARRYTHMO (LUX) and EARLY FLOWERING3 (ELF3) orthologs abolish flowering. We show that light causes a rapid and sustained degradation of ELF3-1, and this response is dependent on phyB. ChIP-seq of ELF3 and LUX reveal that EC controls both LD and SD flowering pathways by directly binding and suppressing the expression of key floral repressors, including PRR7 orthologs and Ghd7.

2022-05-24 | GSE181833 | GEO

The Evening Complex integrates photoperiod signals to control flowering in rice [ChIP-Seq]

2022-05-24 | GSE181831 | GEO

The Evening Complex integrates photoperiod signals to control flowering in rice

Project description:This SuperSeries is composed of the SubSeries listed below.

2022-05-24 | GSE181836 | GEO

Oryza sativa

Project description:The Evening Complex integrates photoperiod signals to control flowering in rice

| PRJNA751493 | ENA

The Evening Complex Establishes Repressive Chromatin Domains via H2A.Z-Nucleosome Deposition in Arabidopsis

Project description:The Evening Complex (EC) is a core component of the circadian clock, which represses target gene expression at the end of the day and integrates temperature information in order to coordinate environmental and endogenous signals. Despite its importance, the mechanism of EC function remains unknown. Here we show that the EC recruits repressive chromatin domains to regulate the evening transcriptome. The EC component EARLY FLOWERING 3 (ELF3) directly interacts with a protein from the Swi2/Snf2-Related 1 (SWR1) complex to control deposition of H2A.Z-nucleosomes at the EC target genes. The SWR1 components display a circadian oscillation in gene expression with a peak at dusk, suggesting that the circadian clock controls the expression and function of SWR1. In turn, SWR1 is required for the circadian clockwork as defects in SWR1 activity alters morning-expressed genes. The EC-SWR1 complex binds to the promoters of the core clock genes PSEUDORESPONSE REGULATOR 7 (PRR7) and PRR9 and catalyzes H2A.Z deposition coincident with their repression at dusk. This provides a mechanism by which the circadian clock temporally establishes repressive chromatin domains to shape oscillatory gene expression around dusk.

2020-01-22 | GSE109101 | GEO

Evening Complex associated proteins in Arabidopsis by AP-MS

Project description:To determine how clock components are integrated with cellular pathways, affinity purification and mass spectrometry (AP-MS) were used to identify proteins that co-precipitate with the evening complex, which is critical regulator of clock, growth, light and flowering pathways.

2016-03-15 | PXD002606 | Pride

Analysis of PHOTOPERIOD SENSITIVITY5 Sheds Light on the Role of Phytochromes in Photoperiodic Flowering in Rice

Project description:A great majority of plants synchronize flowering with day length. In rice, the most important environmental cue that triggers flowering is the photoperiod. Here, we show that the s73 mutant, identified in a gamma irradiated Bahia collection, displays early flowering and photoperiodic insensitivity due to a null mutation in the SE5 gene, which encodes an enzyme implicated in phytochrome chromophore biosynthesis. s73 mutant plants showed a number of alterations in the characteristic diurnal expression patterns of master genes involved in photoperiodic control of flowering, resulting in up-regulation of Hd3a, the most important floral integrator. Ehd1, an additional rice floral activator, was also highly expressed in the s73 mutant, suggesting that SE5 represses Ehd1 in wild-type plants. Silencing of Ehd1 in both Bahia and s73 backgrounds implies that SE5 regulates Ehd1 expression. The data also indicate that SE5 confers photoperiodic sensitivity through regulation of Hd1. These results provide direct evidence that phytochromes inhibit flowering affecting both Hd1 and Ehd1 flowering pathways.

2009-12-31 | GSE16796 | GEO

Transcriptome analysis of photoperiodic flowering in soybean.

Project description:In order to identify candidate genes that are involved in soybean flowering transition in response to photoperiods, we performed RNA sequencing analysis under different photoperiod treatments. We identified genes exhibiting daily oscillation patterns under different photoperiod treatments, genes under control of maturity loci (E1, E2, E3 and E5), and genes that constitute the soybean flowering gene network.

2017-07-21 | GSE51007 | GEO

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