ArticleBMC molecular biology2009
Discriminating nucleosomes containing histone H2A.Z or H2A based on genetic and epigenetic information.
Article in BMC molecular biology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Crop epigenetics and the molecular hardware of genotype × environment interactions.Frontiers in plant science · 2015Review
- Transcription-associated histone modifications and cryptic transcription.Biochimica et biophysica acta · 2013Review
- A histone arginine methylation localizes to nucleosomes in satellite II and III DNA sequences in the human genome.BMC genomics · 2012Article
- Sequence-dependent histone variant positioning signatures.BMC genomics · 2010Article
- Dynamic and selective nucleosome repositioning during endotoxin tolerance.The Journal of biological chemistry · 2010Article
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Authors and funding
2 authors.
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Abstract
backgroundNucleosomes are nucleoproteic complexes, formed of eight histone molecules and DNA, and they are responsible for the compaction of the eukaryotic genome. Their presence on DNA influences many cellular processes, such as transcription, DNA replication, and DNA repair. The evolutionarily conserved histone variant H2A.Z alters nucleosome stability and is highly enriched at gene promoters. Its localization to specific genomic loci in human cells is presumed to depend either on the underlying DNA sequence or on a certain epigenetic modification pattern.
resultsWe analyzed the differences in histone post-translational modifications and DNA sequences near nucleosomes that do or do not contain H2A.Z. We show that both the epigenetic context and underlying sequences can be used to classify nucleosomal regions, with highly significant accuracy, as likely to either contain H2A.Z or canonical histone H2A. Furthermore, our models accurately recapitulate the observed nucleosome occupancy near the transcriptional start sites of human promoters.
conclusionWe conclude that both genetic and epigenetic features are likely to participate in targeting H2A.Z to distinct chromatin loci.
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