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RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm [bisulfite_sequencing]

ABSTRACT: RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm [bisulfite_sequencing]

PROVIDER: PRJNA811628 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18186384_1.fastq.gz	Fastqsanger.gz
	SRR18186384_2.fastq.gz	Fastqsanger.gz
	SRR18186385_1.fastq.gz	Fastqsanger.gz
	SRR18186385_2.fastq.gz	Fastqsanger.gz
	SRR18186386_1.fastq.gz	Fastqsanger.gz

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RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm [bisulfite_sequencing]

Project description:Gene expression in endosperm – a seed tissue that mediates transfer of maternal resources to offspring – is under complex epigenetic control. We show here that plant-specific RNA Polymerase IV mediates parental control of endosperm gene expression. Pol IV is required for the production of small interfering RNAs that typically direct DNA methylation. We compared small RNAs, DNA methylation, and mRNAs in A. thaliana endosperm from reciprocal heterozygotes produced by crossing wild-type plants to Pol IV mutants. We find that maternally and paternally acting Pol IV have divergent effects on endosperm. Losses of maternal and paternal Pol IV impact sRNAs and DNA methylation at distinct genomic sites. Strikingly, maternally and paternally-acting Pol IV have antagonistic impacts on gene expression at some loci, divergently promoting or repressing endosperm gene expression. Antagonistic parent-of origin effects have only rarely been described and are consistent with a gene regulatory system evolving under parental conflict

2022-03-04 | GSE197712 | GEO

RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm [PareSeq]

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RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm [sRNA_seq libraries]

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RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm

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RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm [sRNA_seq libraries]

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RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm [mRNA_seq libraries]

Project description:RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm [mRNA_seq libraries]

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RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm.

Project description:Gene expression in endosperm-a seed tissue that mediates transfer of maternal resources to offspring-is under complex epigenetic control. We show here that plant-specific RNA polymerase IV (Pol IV) mediates parental control of endosperm gene expression. Pol IV is required for the production of small interfering RNAs that typically direct DNA methylation. We compared small RNAs (sRNAs), DNA methylation, and mRNAs in Arabidopsis thaliana endosperm from heterozygotes produced by reciprocally crossing wild-type (WT) plants to Pol IV mutants. We find that maternally and paternally acting Pol IV induce distinct effects on endosperm. Loss of maternal or paternal Pol IV impacts sRNAs and DNA methylation at different genomic sites. Strikingly, maternally and paternally acting Pol IV have antagonistic impacts on gene expression at some loci, divergently promoting or repressing endosperm gene expression. Antagonistic parent-of-origin effects have only rarely been described and are consistent with a gene regulatory system evolving under parental conflict.

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RNA Pol IV induces antagonistic parent-of-origin effects on Arabidopsis endosperm

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

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