Regulation of Mammalian DNA Replication via the Ubiquitin-Proteasome System.

Regulation of Mammalian DNA Replication via the Ubiquitin-Proteasome System.
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DOI:
10.1007/978-981-10-6955-0_19
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发表时间:
2017
影响因子:
--
通讯作者:
Dutta A
Dutta A
中科院分区:
医学4区
文献类型:
--
作者:
Abbas T;Dutta A

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DNA复制的适当调节确保了遗传物质的忠实传递,这对最佳的细胞和生物体生理学至关重要。这种调节的核心是一组酶的活性,这些酶诱导或逆转对DNA复制的起始、进展和终止至关重要的各种蛋白质的翻译后修饰。当DNA复制在具有升高的基因组不稳定性和增加的增殖能力的癌细胞中进行时,这是特别重要的。在这里,我们描述了哺乳动物细胞中的DNA复制是如何通过泛素-蛋白酶体系统的活性以及参与这一重要细胞活性的脱轨泛素化信号传导的后果来调节的。
Proper regulation of DNA replication ensures the faithful transmission of genetic material essential for optimal cellular and organismal physiology. Central to this regulation is the activity of a set of enzymes that induce or reverse posttranslational modifications of various proteins critical for the initiation, progression, and termination of DNA replication. This is particularly important when DNA replication proceeds in cancer cells with elevated rates of genomic instability and increased proliferative capacities. Here, we describe how DNA replication in mammalian cells is regulated via the activity of the ubiquitin-proteasome system as well as the consequence of derailed ubiquitylation signaling involved in this important cellular activity.
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