BioMed Research International

BioMed Research International / 2002 / Article
Special Issue

DNA Damage, Repair, and Diseases

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Review article | Open Access

Volume 2 |Article ID 914746 | https://doi.org/10.1155/S1110724302202016

David J. Crowley, Justin Courcelle, "Answering the Call: Coping with DNA Damage at the Most Inopportune Time", BioMed Research International, vol. 2, Article ID 914746, 9 pages, 2002. https://doi.org/10.1155/S1110724302202016

Answering the Call: Coping with DNA Damage at the Most Inopportune Time

Received25 Jan 2002
Accepted20 Feb 2002

Abstract

DNA damage incurred during the process of chromosomal replication has a particularly high possibility of resulting in mutagenesis or lethality for the cell. The SOS response of Escherichia coli appears to be well adapted for this particular situation and involves the coordinated up-regulation of genes whose products center upon the tasks of maintaining the integrity of the replication fork when it encounters DNA damage, delaying the replication process (a DNA damage checkpoint), repairing the DNA lesions or allowing replication to occur over these DNA lesions, and then restoring processive replication before the SOS response itself is turned off. Recent advances in the fields of genomics and biochemistry has given a much more comprehensive picture of the timing and coordination of events which allow cells to deal with potentially lethal or mutagenic DNA lesions at the time of chromosomal replication.

Copyright © 2002 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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