Article
HP1-beta mobilization promotes chromatin changes that initiate the DNA damage response.
Nature - 29 May 2008
Ayoub Nabieh, Jeyasekharan Anand D, Bernal Juan A, Venkitaraman Ashok R
Abstract excerpt
Minutes after DNA damage, the variant histone H2AX is phosphorylated by protein kinases of the phosphoinositide kinase family, including ATM, ATR or DNA-PK. Phosphorylated (gamma)-H2AX-which recruits molecules that sense or signal the presence of DNA breaks, activating the response that leads to repair-is the earliest known marker of chromosomal DNA breakage. Here we identify a dynamic change in chromatin that...
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