Histone H2A mobility is regulated by its tails and acetylation of core histone tails.

Abstract:

:Histone tail domains play important roles in cellular processes, such as replication, transcription, and chromosome condensation. Histone H2A has one central and two tail domains, and their functions have mainly been studied from a biochemical perspective. In addition, analyses based on visualization have been employed for functional analysis of some chromatin proteins. In this study, we analyzed histone H2A mobility in vivo by two-photon FRAP, and elucidated that the histone H2A N- and C-terminal tails regulate its mobility. We found that histone H2A mobility was increased following treatment of host cells with a histone deacetylase inhibitor. Our results support a model in which core histone tails directly regulate transcription by interacting with nucleosome DNA via electrostatic interactions.

authors

Higashi T,Matsunaga S,Isobe K,Morimoto A,Shimada T,Kataoka S,Watanabe W,Uchiyama S,Itoh K,Fukui K

doi

10.1016/j.bbrc.2007.03.203

subject

Has Abstract

pub_date

2007-06-08 00:00:00

pages

627-32

issue

3

eissn

0006-291X

issn

1090-2104

pii

S0006-291X(07)00661-4

journal_volume

357

pub_type

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