Current progress on structural studies of nucleosomes containing histone H3 variants

Hitoshi Kurumizaka, Naoki Horikoshi, Hiroaki Tachiwana, Wataru Kagawa

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The nucleosome is the basic repeating unit of chromatin. During the nucleosome assembly process, DNA is wrapped around two H3-H4 dimers, followed by the inclusion of two H2A-H2B dimers. The H3-H4 dimers provide the fundamental architecture of the nucleosome. Many non-allelic variants have been found for H3, but not for H4, suggesting that the functions of chromatin domains may, at least in part, be dictated by the specific H3 variant that is incorporated. A prominent example is the centromeric H3 variant, CENP-A, which specifies the function of centromeres in chromosomes. In this review, we survey the current progress in the studies of nucleosomes containing H3 variants, and discuss their implications for the architecture and dynamics of chromatin domains.

Original languageEnglish
Pages (from-to)109-115
Number of pages7
JournalCurrent Opinion in Structural Biology
Volume23
Issue number1
DOIs
Publication statusPublished - 2013 Feb

ASJC Scopus subject areas

  • Molecular Biology
  • Structural Biology

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