Mammalian DNA Repair and the Cellular DNA Polymerases
Mammalian DNA Repair and the Cellular DNA Polymerases
复制标题
哺乳动物 DNA 修复和细胞 DNA 聚合酶
DOI:
10.1007/978-1-59259-455-9_11
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发表时间:
1998
期刊:
影响因子:
9
通讯作者:
R. Singhal
中科院分区:
文献类型:
--
作者:
Samuel H. Wilson;R. Singhal
Genomic DNA is damaged by various physical and chemical agents during the life of an organism. For faithful reproduction and preservation of genomic DNA, damaged DNA sites must be repaired, and organisms have several DNA repair pathways that are vital in maintaining genome stability. Each individual DNA repair pathway (i.e., error-free repair, base excision repair, nucleotide excision repair, and so forth) is generally similar throughout nature, and this concept of conservation has been invaluable in rapidly advancing the mammalian DNA repair field. Several examples of DNA polymerase-independent “error-free repair” are well known, including photolyase reversal of UV damage and methyltransferase reversal of alkylation damage. In the various excision repair pathways, all of which involve some form of DNA polymerase-mediated gap-filling, the damaged site in DNA is first recognized and excised, the excision gap is tailored to allow gap-filling DNA synthesis, the nucleotide sequence is restored through DNA synthesis, and finally the phosphodiester backbone is ligated. Excision repair of damaged DNA is, therefore, a sequential multistep process. The specific enzyme(s) involved in an individual step may depend on the type of DNA lesion being repaired and the DNA structure/sequence context surrounding the lesion. Since resynthesis of a DNA sequence after excision of damaged DNA is catalyzed by a DNA polymerase, these enzymes clearly play a central role in DNA repair and hence in genomic stability.
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影响因子:
5.8
作者:
Dresler,SL;Frattini,MG
通讯作者:
Frattini,MG
影响因子:
56.9
作者:
SAWAYA, MR;PELLETIER, H;KRAUT, J
通讯作者:
KRAUT, J
DOI:
--
发表时间:
1988
期刊:
The Journal of biological chemistry
影响因子:
--
作者:
Randahl,H;Elliott,GC;Linn,S
通讯作者:
Linn,S
DOI:
10.1073/pnas.87.22.8692
发表时间:
1990
影响因子:
11.1
作者:
Weinberg,DH;Collins,KL;Simancek,P;Russo,A;Wold,MS;Virshup,DM;Kelly,TJ
通讯作者:
Kelly,TJ
影响因子:
2.9
作者:
Smith,CA;Okumoto,DS
通讯作者:
Okumoto,DS