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.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Higashi T,Matsunaga S,Isobe K,Morimoto A,Shimada T,Kataoka S,Watanabe W,Uchiyama S,Itoh K,Fukui Kdoi
10.1016/j.bbrc.2007.03.203subject
Has Abstractpub_date
2007-06-08 00:00:00pages
627-32issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(07)00661-4journal_volume
357pub_type
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