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- W2101032714 endingPage "1103" @default.
- W2101032714 startingPage "1095" @default.
- W2101032714 abstract "ABSTRACT The Hat1 histone acetyltransferase has been implicated in the acetylation of histone H4 during chromatin assembly. In this study, we have characterized the Hat1 complex from the fission yeast Schizosaccharomyces pombe and have examined its role in telomeric silencing. Hat1 is found associated with the RbAp46 homologue Mis16, an essential protein. The Hat1 complex acetylates lysines 5 and 12 of histone H4, the sites that are acetylated in newly synthesized H4 in a wide range of eukaryotes. Deletion of hat1 in S. pombe is itself sufficient to cause the loss of silencing at telomeres. This is in contrast to results obtained with an S. cerevisiae hat1Δ strain, which must also carry mutations of specific acetylatable lysines in the H3 tail domain for loss of telomeric silencing to occur. Notably, deletion of hat1 from S. pombe resulted in an increase of acetylation of histone H4 in subtelomeric chromatin, concomitant with derepression of this region. A similar loss of telomeric silencing was also observed after growing cells in the presence of the deacetylase inhibitor trichostatin A. However, deleting hat1 did not cause loss of silencing at centromeres or the silent mating type locus. These results point to a direct link between Hat1, H4 acetylation, and the establishment of repressed telomeric chromatin in fission yeast." @default.
- W2101032714 created "2016-06-24" @default.
- W2101032714 creator A5000012529 @default.
- W2101032714 creator A5027902171 @default.
- W2101032714 creator A5033939754 @default.
- W2101032714 creator A5084211557 @default.
- W2101032714 date "2012-09-01" @default.
- W2101032714 modified "2023-10-18" @default.
- W2101032714 title "Schizosaccharomyces pombe Hat1 (Kat1) Is Associated with Mis16 and Is Required for Telomeric Silencing" @default.
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- W2101032714 doi "https://doi.org/10.1128/ec.00123-12" @default.
- W2101032714 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/3445983" @default.
- W2101032714 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/22771823" @default.
- W2101032714 hasPublicationYear "2012" @default.