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

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE111814 | GEO | 2018/06/26

REPOSITORIES: GEO

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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 [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 [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 [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

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

| PRJNA438235 | 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]

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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]

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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 [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 Target of Rapamycin Coordinates With Transcriptional and Epigenetic Machinery to Regulate Thermotolerance.

Project description:Global warming exhibits profound effects on plant fitness and productivity. To withstand stress, plants sacrifice their growth and activate protective stress responses for ensuring survival. However, the switch between growth and stress is largely elusive. In the past decade, the role of the target of rapamycin (TOR) linking energy and stress signalling is emerging. Here, we have identified an important role of Glucose (Glc)-TOR signalling in plant adaptation to heat stress (HS). Glc via TOR governs the transcriptome reprogramming of a large number of genes involved in heat stress protection. Downstream to Glc-TOR, the E2Fa signalling module regulates the transcription of heat shock factors through direct recruitment of E2Fa onto their promoter regions. Also, Glc epigenetically regulates the transcription of core HS signalling genes in a TOR-dependent manner. TOR acts in concert with p300/CREB HISTONE ACETYLTRANSFERASE1 (HAC1) and dictates the epigenetic landscape of HS loci to regulate thermotolerance. Arabidopsis plants defective in TOR and HAC1 exhibited reduced thermotolerance with a decrease in the expression of core HS signalling genes. Together, our findings reveal a mechanistic framework in which Glc-TOR signalling through different modules integrates stress and energy signalling to regulate thermotolerance.

| S-EPMC8581614 | biostudies-literature

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