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Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [WGBS]

ABSTRACT: Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [WGBS]

PROVIDER: PRJNA513323 | ENA |

REPOSITORIES: ENA

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Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis

Project description:Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis

| PRJNA513318 | ENA

Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [RNA-seq]

Project description:Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [RNA-seq]

| PRJNA513324 | ENA

Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [ChIP-seq]

Project description:Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [ChIP-seq]

| PRJNA513321 | ENA

Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [BS-PCR-seq]

Project description:Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [BS-PCR-seq]

| PRJNA513322 | ENA

Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [small RNA-seq]

Project description:Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [small RNA-seq]

| PRJNA513320 | ENA

Co-targeting RNA Polymerases IV and V promotes efficient de novo DNA methylation in Arabidopsis [WGBS]

Project description:The RNA-directed DNA methylation (RdDM) pathway in plants controls gene expression via cytosine DNA methylation. The ability to manipulate RdDM would shed light on the mechanisms and applications of DNA methylation to control gene expression. Here, we identified diverse RdDM proteins that are capable of targeting methylation and silencing in Arabidopsis when tethered to an artificial zinc finger (ZF-RdDM). We studied their order of action within the RdDM pathway by testing their ability to target methylation in different mutants. We also evaluated ectopic siRNA biogenesis, RNA Polymerase V (Pol V) recruitment, targeted DNA methylation, and gene expression changes at thousands of ZF-RdDM targets. We found that co-targeting both arms of the RdDM pathway, siRNA biogenesis and Pol V recruitment, dramatically enhanced targeted methylation. This work defines how RdDM components establish DNA methylation, and enables new strategies for epigenetic gene regulation via targeted DNA methylation.

2019-02-07 | GSE124746 | GEO

Co-targeting RNA Polymerases IV and V Promotes Efficient De Novo DNA Methylation in Arabidopsis.

Project description:The RNA-directed DNA methylation (RdDM) pathway in plants controls gene expression via cytosine DNA methylation. The ability to manipulate RdDM would shed light on the mechanisms and applications of DNA methylation to control gene expression. Here, we identified diverse RdDM proteins that are capable of targeting methylation and silencing in Arabidopsis when tethered to an artificial zinc finger (ZF-RdDM). We studied their order of action within the RdDM pathway by testing their ability to target methylation in different mutants. We also evaluated ectopic siRNA biogenesis, RNA polymerase V (Pol V) recruitment, targeted DNA methylation, and gene-expression changes at thousands of ZF-RdDM targets. We found that co-targeting both arms of the RdDM pathway, siRNA biogenesis and Pol V recruitment, dramatically enhanced targeted methylation. This work defines how RdDM components establish DNA methylation and enables new strategies for epigenetic gene regulation via targeted DNA methylation.

| S-EPMC6386582 | biostudies-literature