The why and how of DNA unlinking.
The why and how of DNA unlinking.
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DOI:
10.1093/nar/gkp041
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发表时间:
2009-02
影响因子:
14.9
通讯作者:
Zechiedrich L
中科院分区:
文献类型:
--
作者:
Liu Z;Deibler RW;Chan HS;Zechiedrich L
The nucleotide sequence of DNA is the repository of hereditary information. Yet, it is now clear that the DNA itself plays an active role in regulating the ability of the cell to extract its information. Basic biological processes, including control of gene transcription, faithful DNA replication and segregation, maintenance of the genome and cellular differentiation are subject to the conformational and topological properties of DNA in addition to the regulation imparted by the sequence itself. How do these DNA features manifest such striking effects and how does the cell regulate them? In this review, we describe how misregulation of DNA topology can lead to cellular dysfunction. We then address how cells prevent these topological problems. We close with a discussion on recent theoretical advances indicating that the topological problems, themselves, can provide the cues necessary for their resolution by type-2 topoisomerases.
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影响因子:
3.2
作者:
Baaklini, Imad;Usongo, Valentine;Drolet, Marc
通讯作者:
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影响因子:
14.9
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DOI:
10.1073/pnas.032095099
发表时间:
2002-04-16
影响因子:
11.1
作者:
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通讯作者:
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影响因子:
4.4
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