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FEM2 regulates the whole genome 24-nt siRNA accumulation and CHH DNA methylation in rice

ABSTRACT: FEM2 regulates the whole genome 24-nt siRNA accumulation and CHH DNA methylation in rice

PROVIDER: PRJNA891036 | ENA |

REPOSITORIES: ENA

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The effect of RNA polymerase V on 24-nt siRNA accumulation depends on DNA methylation contexts and histone modifications in rice

Project description:RNA-directed DNA methylation (RdDM) functions in de novo methylation in CG, CHG, and CHH contexts. Here, we performed map-based cloning of OsNRPE1, which encodes the largest subunit of Pol V, a key regulator of gene silencing and reproductive development in rice. We found that rice Pol V is required for CHH methylation on RdDM loci by transcribing long non-coding RNAs. Pol V influences the accumulation of 24-nt siRNAs in a locus-specific manner. Biosynthesis of 24-nt siRNAs on loci with high CHH methylation levels and low CG and CHG methylation levels tends to depend on Pol V. In contrast, low methylation levels in the CHH context and high methylation levels in CG and CHG contexts predisposes 24-nt siRNA accumulation to be independent of Pol V. H3K9me1 and H3K9me2 tend to be enriched on Pol V-independent 24-nt siRNA loci, whereas various active histone modifications are enriched on Pol V-dependent 24-nt siRNA loci. DNA methylation is required for 24-nt siRNAs biosynthesis on Pol V-dependent loci but not on Pol V-independent loci. Our results reveal the function of rice Pol V for long non-coding RNA production, DNA methylation, 24-nt siRNA accumulation, and reproductive development. This SuperSeries is composed of the SubSeries listed below.

2021-07-06 | GSE158711 | GEO

The effect of RNA polymerase V on 24-nt siRNA accumulation depends on DNA methylation contexts and histone modifications in rice [Bisulfite-Seq]

2021-07-07 | GSE158710 | GEO

The effect of RNA polymerase V on 24-nt siRNA accumulation depends on DNA methylation contexts and histone modifications in rice [ncRNA-Seq]

2021-07-07 | GSE158709 | GEO

FEM2 regulates the whole genome 24-nt siRNA accumulation and CHH DNA methylation in rice [sRNA-Seq]

Project description:To investigate the function of FEM2 in regulation of 24-nt siRNA accumulation, 18-day-old seedlings wer used for RNA-seq, BS-seq and sRNA-seq.

2023-10-01 | GSE215854 | GEO

FEM2 regulates the whole genome 24-nt siRNA accumulation and CHH DNA methylation in rice [sRNA-Seq]

Project description:FEM2 regulates the whole genome 24-nt siRNA accumulation and CHH DNA methylation in rice [sRNA-Seq]

| PRJNA891033 | ENA

FEM2 regulates the whole genome 24-nt siRNA accumulation and CHH DNA methylation in rice [RNA-Seq]

Project description:FEM2 regulates the whole genome 24-nt siRNA accumulation and CHH DNA methylation in rice [RNA-Seq]

| PRJNA891034 | ENA

FEM2 regulates the whole genome 24-nt siRNA accumulation and CHH DNA methylation in rice [Bisulfite-Seq]

Project description:FEM2 regulates the whole genome 24-nt siRNA accumulation and CHH DNA methylation in rice [Bisulfite-Seq]

| PRJNA891039 | ENA

FVE affects 24-nt siRNA accumulation downstream of RdDM pathway

Project description:FVE affects 24-nt siRNA accumulation downstream of RdDM pathway

| PRJNA720952 | ENA

FVE affects 24-nt siRNA accumulation downstream of RdDM pathway

Project description:Using siRNA-Seq to provide siRNA accumulation status in fve mutant.

2021-04-10 | GSE171813 | GEO

The effect of RNA polymerase V on 24-nt siRNA accumulation depends on DNA methylation contexts and histone modifications in rice

Project description:The effect of RNA polymerase V on 24-nt siRNA accumulation depends on DNA methylation contexts and histone modifications in rice

| PRJNA666329 | ENA

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