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GenomicsPartitioning the C. elegans genome by nucleosome modification, occupancy, and positioning
We have characterized two post-translational histone modifications in C. elegans on a genomic scale. Micrococcal nuclease digestion and immunoprecipitation were used to obtain distinct populations of single nucleosome cores, which were analyzed using massively parallel DNA sequencing to obtain pos...
ORGANISM(S): Caenorhabditis elegans 
2009-08-31 | E-GEOD-17284 | biostudies-arrayexpress
GenomicsAmplification of siRNA in Caenorhabditis elegans generates a transgenerational sequence-targeted histone H3 lysine 9 methylation footprint
Exogenous double-stranded RNA (dsRNA) has been shown to exert homology-dependent effects at the level of both target mRNA stability and chromatin structure. Using C. elegans undergoing RNAi as an animal model, we have investigated the generality, scope, and longevity of chromatin-targeted dsRNA effe...
ORGANISM(S): Caenorhabditis elegans 
2012-01-06 | E-GEOD-32631 | biostudies-arrayexpress
TranscriptomicsA nuclear Argonaute promotes germline immortality and epigenetic inheritance across generations
dsRNA-mediated gene silencing (RNAi) can be inherited for multiple generations in C. elegans. To understand this process we conducted a genetic screen for animals defective for transmitting RNAi silencing signals to future generations. This screen identified the gene heritable RNAi defective (hrde)-...
ORGANISM(S): Caenorhabditis elegans 
2012-07-30 | E-GEOD-38041 | biostudies-arrayexpress
GenomicsDNA accessibility profile of three C. elegans tissues during development
We show there is minimal genome-wide chromatin rearrangements (as measured by DNA accessibility) during tissue differentiation in C. elegans transgenic expression of E. coli DAM (DNA Adenine Methyltransferase) from tissue-specific promoters followed by mapping of methylated sites using a procedure t...
ORGANISM(S): Caenorhabditis elegans 
2011-04-16 | E-GEOD-23042 | biostudies-arrayexpress
TranscriptomicsUltra-high throughput sequencing-based small RNA discovery and discrete statistical biomarker analysis in a collection of cervical tumors and matched controls
We prepared small RNA libraries from 29 tumor/normal pairs of human cervical tissue samples. Analysis of the resulting sequences (42 million in total) defined 64 new human microRNA (miRNA) genes. Both arms of the hairpin precursor were observed in twenty-three of the newly identified miRNA candidate...
ORGANISM(S): Homo sapiens 
2010-04-28 | E-GEOD-20592 | biostudies-arrayexpress
UnknownThe database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project.
Not available
S-EPMC5215197 | biostudies-literature
UnknownShared heritability and functional enrichment across six solid cancers.
Not available
S-EPMC6347624 | biostudies-literature
UnknownA prognostic model for use before elective surgery to estimate the risk of postoperative pulmonary complications (GSU-Pulmonary Score): a development and validation study in three international cohorts.
Not available
S-EPMC12056793 | biostudies-literature
UnknownRecombination Suppression Drives Expansion of the Drosophila Dot Chromosome.
Not available
S-EPMC12728734 | biostudies-literature
UnknownThe global, regional, and national burden of cancer, 1990-2023, with forecasts to 2050: a systematic analysis for the Global Burden of Disease Study 2023.
Not available
S-EPMC12687902 | biostudies-literature
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