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Upstream regulator of genomic imprinting in rice is a small RNA-associated chromatin remodeler [RNA-seq]

ABSTRACT: Knock down of CLSY3 in rice caused endosperm development defects. We investigated the molecular effects of loss of CLSY3 in rice endosperm by profiling sRNA and mRNA transcriptomes .These analyses revealed the roles of CLSY3 in Endosperm development.

ORGANISM(S): Oryza sativa

PROVIDER: GSE229959 | GEO | 2024/07/29

REPOSITORIES: GEO

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Upstream regulator of genomic imprinting in rice is a small RNA-associated chromatin remodeler [ncRNA-Seq]

Project description:Knock down of CLSY3 in rice caused endosperm development defects. We investigated the molecular effects of loss of CLSY3 in rice endosperm by profiling sRNA and mRNA transcriptomes .These analyses revealed the roles of CLSY3 in Endosperm development.

2024-07-29 | GSE229958 | GEO

Upstream regulator of genomic imprinting in rice is a small RNA-associated chromatin remodeler [ChIP_seq]

Project description:Knock down of CLSY3 in rice caused endosperm development defects. We investigated the molecular effects of loss of CLSY3 in rice endosperm by profiling sRNA, targeted bisulfite PCR,whole genome bisulfite sequencing and mRNA transcriptomes .These analyses revealed the roles of CLSY3 in Endosperm

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Upstream regulator of genomic imprinting in rice is a small RNA-associated chromatin remodeler [bisulfite_PCR]

Project description:Knock down of CLSY3 in rice caused endosperm development defects. We investigated the molecular effects of loss of CLSY3 in rice endosperm by profiling sRNA, targeted bisulfite PCR,whole genome bisulfite sequencing and mRNA transcriptomes .These analyses revealed the roles of CLSY3 in Endosperm

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Upstream regulator of genomic imprinting in rice is a small RNA-associated chromatin remodeler [PCR_product_deep_sequencing]

Project description:Knock down of CLSY3 in rice caused endosperm development defects. We investigated the molecular effects of loss of CLSY3 in rice endosperm by profiling sRNA, targeted bisulfite PCR,whole genome bisulfite sequencing and mRNA transcriptomes .These analyses revealed the roles of CLSY3 in Endosperm

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Upstream regulator of genomic imprinting in rice is a small RNA-associated chromatin remodeler [Bisulfite_seq]

Project description:Knock down of CLSY3 in rice caused endosperm development defects. We investigated the molecular effects of loss of CLSY3 in rice endosperm by profiling sRNA, targeted bisulfite PCR,whole genome bisulfite sequencing and mRNA transcriptomes .These analyses revealed the roles of CLSY3 in Endosperm

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Upstream regulator of genomic imprinting in rice is a small RNA-associated chromatin remodeler [targeted bisulfite PCR]

Project description:Knock down of CLSY3 in rice caused endosperm development defects. We investigated the molecular effects of loss of CLSY3 in rice endosperm by profiling sRNA, targeted bisulfite PCR and mRNA transcriptomes .These analyses revealed the roles of CLSY3 in Endosperm

2024-07-29 | GSE229960 | GEO

Imprinted expression of genes and small RNA is triggered by localized demethylation of the maternal genome in rice endosperm

Project description:We report that rice endosperm shows a specific hypomethylation of DNA in the maternal genome, preferring regions of high DNA accessibility. Maternally expressed imprinted genes are enriched for hypomethylation at putative promoter regions and transcriptional termini, and paternally expressed genes at promoters and gene bodies, mirroring our recent results in A. thaliana. However, unlike in A. thaliana, rice endosperm sRNA populations are dominated by specific strong sRNA-producing loci, and imprinted 24-nt sRNAs are expressed from both parental genomes and correlate with hypomethylation. Overlaps between imprinted sRNA loci and imprinted genes expressed from opposite alleles suggest that sRNAs may regulate genomic imprinting. Whereas sRNAs in seedling tissues primarily originate from small Class II (cut and paste) transposable elements, those in endosperm are much more uniformly derived, including sequences from other TE classes, as well as genic and intergenic regions. Our data indicate that the endosperm exhibits a unique pattern of sRNA expression and suggest that demethylation of maternal endosperm DNA is conserved in flowering plants.

2013-05-01 | GSE44898 | GEO

Imprinted expression of genes and small RNA is triggered by localized demethylation of the maternal genome in rice endosperm

2013-05-01 | E-GEOD-44898 | biostudies-arrayexpress

Upstream regulator of genomic imprinting in rice is a small RNA-associated chromatin remodeler

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

2024-07-27 | GSE229961 | GEO

Rice interploidy crosses disrupt epigenetic regulation, gene expression, and seed development

Project description:Seed development in angiosperms requires a 2:1 maternal-to-paternal genome ratio (2m:1p) in the endosperm. When the ratio is disrupted, the seed development is impaired. Rice interploidy crosses result in endosperm failures. Here we report that the defective endosperm was associated with nonadditive expression of small RNAs and protein-coding genes. Interestingly, 24-nt siRNAs were enriched in the 5’ and 3’ flanking sequences of nonadditively expressed genes in the interploidy crosses and negatively associated with the expression of imprinted genes. Furthermore, some PRC2 gene family members and the genes for DNA methylation including OsMET1b and OsCMT3a were upregulated in the 2X4 cross but repressed in the reciprocal cross. These different epigenetic effects could lead to precocious or delayed cellularization during endosperm development. Notably, many endosperm-preferred genes including starch metabolic and storage protein genes during grain filling were associated with DNA methylation or H3K27me3 and repressed in both 2X4 and 4X2 crosses. WUSCHEL homeobox2 (WOX2)-like (WOX2L), an endosperm-preferred gene, was expressed specifically in the rice endosperm, on contrary to WOX2 expression in the Arabidopsis embryo. CRISPR/Cas9 editing of WOX2L in transgenic rice blocked starch and protein accumulation, resulting in seed abortion. In addition to gene repression, disrupting epigenetic process in the interploidy crosses also induced expression of stress-responsive genes. Thus, maintaining the 2m:1p genome ratio in the endosperm is essential for normal grain development in rice and other cereal crops.

2018-08-31 | GSE65149 | GEO

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