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Transcriptome dynamics of protein-coding genes during flower development in Arabidopsis

ABSTRACT: Transcriptome dynamics of protein-coding genes during flower development in Arabidopsis

PROVIDER: PRJNA433874 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6713210.fastq.gz	Fastqsanger.gz
	SRR6713211.fastq.gz	Fastqsanger.gz
	SRR6713212.fastq.gz	Fastqsanger.gz
	SRR6713213.fastq.gz	Fastqsanger.gz
	SRR6713214.fastq.gz	Fastqsanger.gz

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Project description:Transcriptome dynamics of protein-coding genes and microRNAs during flower development in Arabidopsis

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Transcriptome dynamics of protein-coding genes during flower development in Arabidopsis

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Project description:Development of eukaryotic organisms is controlled by transcription factors that trigger specific and global changes in gene expression programmes. In plants, MADS-domain transcription factors act as master regulators of developmental switches and organ specification. However, the mechanisms by which these factors dynamically regulate the expression of their target genes at different developmental stages are still poorly understood. Here, we characterize the dynamic relationship of chromatin accessibility, gene expression and DNA-binding of two MADS-domain proteins during Arabidopsis flower development. The developmental dynamics of DNA-binding of APETALA1 and SEPALLATA3 is largely independent of chromatin accessibility, and our findings suggest that AP1 acts as M-bM-^@M-^Xpioneer factorM-bM-^@M-^Y that modulates chromatin accessibility, thereby facilitating access of other transcriptional regulators to their target genes. Our data provide a primer to the idea that cellular differentiation in plants can be associated to dynamic changes in chromatin accessibility, as consequence of the action of master transcription factors. We used the AP1-GR system to conduct DNaseI hypersensitivity experiments at different stages of flower development. Samples were generated from tissue in which the AP1-GR protein was induced using a treatment of 1 uM DEX to the shoot apex. The material was collect before treatment and 2, 4 and 8 days after treatment. As control, naked DNA from wild-type inflorescences was used. Experiments were done in two biological replicates. The GSE47981 includes expression data that are complementary to the data in the GSE46986 and GSE46894.

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Transcriptome dynamics of protein-coding genes and microRNAs during flower development in Arabidopsis

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

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Early flower development

Project description:Early flower development

| PRJNA291564 | ENA

Developmental dynamics of DNA accessibility during flower development [DNaseI-Seq]

2014-02-03 | GSE46894 | GEO