Protein O-GlcNAcylation: emerging mechanisms and functions.

Protein O-GlcNAcylation: emerging mechanisms and functions.
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DOI:
10.1038/nrm.2017.22
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发表时间:
2017-07
期刊:
Nature reviews. Molecular cell biology
影响因子:
--
通讯作者:
Qian K
Qian K
中科院分区:
其他
文献类型:
--
作者:
Yang X;Qian K

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O-GlcNAc酰化-O-连接的N-乙酰葡萄糖胺(O-GlcNAc)部分连接到细胞质,核和线粒体蛋白质-是一种翻译后修饰,调节后生动物的基本细胞过程。单对酶-O-GlcNAc转移酶(OGT)和O-GlcNAc酶(OGA)-以营养和应激响应的方式控制这种翻译后修饰的动态循环。近年来,我们在从结构和分子生物学到细胞信号传导和基因调控到生理学和疾病的水平上对O-GlcNAc化的理解取得了显着进展。从这些最新的发展中出现的是新的机制和功能的O-GlcNAcylation,使我们能够开始构建一个统一的概念框架,通过它来理解这种修饰在细胞和生物体生理学的意义。
O-GlcNAcylation—the attachment of O-linked N-acetylglucosamine (O-GlcNAc) moieties to cytoplasmic, nuclear and mitochondrial proteins—is a post-translational modification that regulates fundamental cellular processes in metazoans. A single pair of enzymes—O-GlcNAc transferase (OGT) and O-GlcNAcase (OGA)—controls the dynamic cycling of this post-translational modification in a nutrient- and stress-responsive manner. Recent years have seen remarkable advances in our understanding of O-GlcNAcylation at levels ranging from structural and molecular biology to cell signalling and gene regulation to physiology and disease. Emerging from these recent developments are new mechanisms and functions of O-GlcNAcylation that enable us to begin constructing a unified conceptual framework through which to understand the significance of this modification in cellular and organismal physiology.
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