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Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression

ABSTRACT: Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression

PROVIDER: PRJNA438235 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR6828633.fastq.gz	Fastqsanger.gz
	SRR6828634.fastq.gz	Fastqsanger.gz
	SRR6828635.fastq.gz	Fastqsanger.gz
	SRR6828636.fastq.gz	Fastqsanger.gz
	SRR6828637.fastq.gz	Fastqsanger.gz

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Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [ChIP-Seq]

Project description:We performed ChIP-seq of SE and selected histone modifications. ATXR5/6 deposit histone3 lysine27 monomethylation (H3K27me1) to promote heterochromatin formation and repress transposable elements (TEs) in Arabidopsis. SE binds to ATXR5/6-regulated TE loci and promotes H3K27me1 accumulation in these regions.

2018-06-26 | GSE111811 | GEO

Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [sRNA-Seq]

Project description:We performed Illumina sequencing of sRNA libraries prepared from 10-day-old seedlings in Arabidopsis. SE is a key component in miRNA processing and pre-mRNA splicing, whereas ATXR5/6 is engaged in epigenetic silencing. Genome-wide sRNA sequencing revealed that ATXR5/6 did not participate in SE-mediated miRNA biogenesis.

2018-06-26 | GSE111813 | GEO

Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [Bisulfite-Seq]

Project description:We performed whole genome bisulfite sequencing in se-2 and the related triple mutants. se-2 mutant did not display obvious changes in genome wide methylation in CG, CHG and CHH contexts. Thus, the H3K27me1 hypomethylation and suppression of atxr5/6-reactivated loci in se-2 mutant was not through DNA methylation defect.

2018-06-26 | GSE111742 | GEO

Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [RNA-Seq]

Project description:We performed Illumina sequencing of ribosome depletion RNA libraries prepared from 10-day-old seedlings in Arabidopsis. SE is required for transposon reactivation in atxr5 atxr6 mutant.

2018-06-26 | GSE111812 | GEO

Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [RNA-Seq]

Project description:Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [RNA-Seq]

| PRJNA438240 | ENA

Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [sRNA-Seq]

Project description:Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [sRNA-Seq]

| PRJNA438241 | ENA

Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [Bisulfite-Seq]

Project description:Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [Bisulfite-Seq]

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Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [ChIP-Seq]

Project description:Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression [ChIP-Seq]

| PRJNA438239 | ENA

Arabidopsis SE coordinates histone methyltransferases ATXR5/6 and RNA processing factor RDR6 to regulate transposon expression

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

2018-06-26 | GSE111814 | GEO

Land plant-specific H3K27 methyltransferases ATXR5 and ATXR6 control plant development and stress responses [Rice RNA-seq]

Project description:The colonization of land by plants relies on numerous evolutionary innovations crucial for terrestrial adaptation. These include advances in sexual reproduction and the ability to properly respond to various environmental stresses, which involve precise control of their regulatory genes. A notable genetic innovation in land plants is the emergence of histone lysine methyltransferases ATXR5/6, which specifically catalyse the repressive histone H3 lysine 27 monomethylation (H3K27me1). However, the evolutionary reason for land plants to develop these enzymes remains unclear. In this study, we investigate the importance of ATXR5/6 by generating strong atxr5;axtr6 double mutants in Arabidopsis. Our results show that ATXR5/6 are essential for plant reproductive development and play a critical role in supporting normal plant growth by repressing the transcription of stress responsive genes. In addition, ATXR5/6 are necessary for maintaining H3K27 trimethylation (H3K27me3), likely by providing H3K27me1 as a substrate for further methylation. We also demonstrate that the function of ATXR5/6 in regulating reproductive development and responsive genes is conserved in the monocot rice. We propose that land plants may have evolved ATXR5/6 to assist in the transcriptional regulation necessary for terrestrial adaptation

2024-11-07 | GSE278501 | GEO

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