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GenomicsLocal DNA hypomethylation activates genes in rice endosperm
Cytosine methylation silences transposable elements in plants, vertebrates and fungi, but also regulates gene expression1. Plant methylation is catalyzed by three families of enzymes, each with a preferred sequence context: CG, CHG (H = A, C or T) and CHH, with CHH methylation targeted by the RNA in...
ORGANISM(S): Oryza sativa 
2010-11-01 | E-GEOD-22591 | biostudies-arrayexpress
TranscriptomicsImprinted expression of genes and small RNA is triggered by localized demethylation of the maternal genome in rice endosperm
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 a...
ORGANISM(S): Oryza sativa 
2013-05-01 | E-GEOD-44898 | biostudies-arrayexpress
ProteomicsHuman dental calculus LC-MS/MS
The purpose of this study was to investigate oral microbiome and host proteins in archaeological human dental tissues using a shotgun proteomics approach. The research focuses on dental calculus (mineralized plaque), dentine, a carious lesion, and an alveolar bone abscess from the medieval site of D...
ORGANISM(S): Bos Taurus (ncbitaxon:9913) Homo Sapiens (ncbitaxon:9606) Ovis (ncbitaxon:9935) 
2016-10-23 | MSV000080279 | MassIVE
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