Spatiotemporal Control of Acetyl-CoA Metabolism in Chromatin Regulation.
Spatiotemporal Control of Acetyl-CoA Metabolism in Chromatin Regulation.
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DOI:
10.1016/j.tibs.2017.11.004
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发表时间:
2018-01
影响因子:
13.8
通讯作者:
Wellen KE
中科院分区:
文献类型:
--
作者:
Sivanand S;Viney I;Wellen KE
The epigenome is sensitive to the availability of metabolites that serve as substrates of chromatin-modifying enzymes. Links between acetyl-CoA metabolism, histone acetylation, and gene regulation have been documented, although how specificity in gene regulation is achieved by a metabolite has been challenging to answer. Recent studies suggest that acetyl-CoA metabolism is tightly regulated both spatially and temporally, to elicit responses to nutrient availability and signaling cues. Here we discuss evidence that acetyl-CoA production is distinctly regulated in the nucleus and cytosol in mammalian cells. Recent findings indicate that acetyl-CoA availability for site-specific histone acetylation is influenced through post-translational modification of acetyl-CoA producing enzymes, as well as through dynamic regulation of the nuclear localization and chromatin recruitment of these enzymes.
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