Revealing histone variant induced changes via quantitative proteomics.

Revealing histone variant induced changes via quantitative proteomics.
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DOI:
10.3109/10409238.2011.577052
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发表时间:
2011-08
影响因子:
6.5
通讯作者:
Garcia BA
Garcia BA
中科院分区:
生物学2区
文献类型:
--
作者:
Arnaudo AM;Molden RC;Garcia BA

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Histone variants are isoforms of linker and core histone proteins that differ in their amino acid sequences. These variants have distinct genomic locations and post-translational modifications, thus increasing the complexity of the chromatin architecture. Biological studies of histone variants indicate that they play a role in many processes including transcription, DNA damage response, and the cell cycle. The small differences in amino acid sequence and the diverse post-translational modification states that exist between histone variants make traditional analysis using immunoassay methods challenging. In recent years, a number of mass spectrometric techniques have been developed to identify and quantify histones at the whole protein or peptide levels. In this review we discuss the biology of histone variants and methods to characterize them using mass spectrometry-based proteomics.
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