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Juliana Nunes Rosn Marcela de Oliveira Vitarelli Hllida Marina Costa-Silva Kamille Schmitt Pereira David da Silva Pires Leticia de Sousa Lopes Barbara Cordeiro Amelie J. Kraus Karin Navarro Tozzi Cruz Simone Guedes Calderano Stenio Perdigo Fragoso T. Nicolai Siegel Maria Carolina Elias Julia Pinheiro Chagas da Cunha 《PLoS pathogens》2022,18(2)
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Haitong Hou Yu Wang Scott P. Kallgren James Thompson John R. Yates III Songtao Jia 《The Journal of biological chemistry》2010,285(3):1909-1918
The incorporation of histone variant H2A.Z into nucleosomes plays essential roles in regulating chromatin structure and gene expression. A multisubunit complex containing chromatin remodeling protein Swr1 is responsible for the deposition of H2A.Z in budding yeast and mammals. Here, we show that the JmjC domain protein Msc1 is a novel component of the fission yeast Swr1 complex and is required for Swr1-mediated incorporation of H2A.Z into nucleosomes at gene promoters. Loss of Msc1, Swr1, or H2A.Z results in loss of silencing at centromeres and defective chromosome segregation, although centromeric levels of CENP-A, a centromere-specific histone H3 variant that is required for setting up the chromatin structure at centromeres, remain unchanged. Intriguingly, H2A.Z is required for the expression of another centromere protein, CENP-C, and overexpression of CENP-C rescues centromere silencing defects associated with H2A.Z loss. These results demonstrate the importance of H2A.Z and CENP-C in maintaining a silenced chromatin state at centromeres. 相似文献
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