Repair of DNA-protein crosslink damage: coordinated actions of nucleotide excision repair and homologous recombination.

Hiroshi Ide, Toshiaki Nakano, Amir M.H. Salem, Hiroaki Terato, Seung Pil Pack, Keisuke Makino

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

DNA-protein crosslinks (DPCs) are extremely bulky DNA lesions, and steric hindrance imposed by covalently trapped proteins would hamper the transaction of DNA such as replication, transcription, and repair. However, it has been largely elusive how cells mitigate the genotoxic effect of DPCs. We have recently shown that nucleotide excision repair (NER) and homologous recombination (HR) differentially contribute to the repair of DPCs in E. coli cells. Several lines of genetic and biochemical evidence indicate that NER repairs DPCs with crosslinked proteins (CLPs) of sizes less than 12-14 kDa, whereas DPCs with oversized CLPs are processed exclusively by RecBCD-dependent HR. The present result shows that cells use the coordinated actions of NER and HR to deal with unusually bulky DNA lesions like DPCs.

Original languageEnglish
Pages (from-to)57-58
Number of pages2
JournalNucleic acids symposium series (2004)
Issue number52
Publication statusPublished - Dec 1 2008
Externally publishedYes

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Homologous Recombination
DNA Repair
DNA
Proteins
Molecular Biology
Escherichia coli

ASJC Scopus subject areas

  • Medicine(all)

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Repair of DNA-protein crosslink damage : coordinated actions of nucleotide excision repair and homologous recombination. / Ide, Hiroshi; Nakano, Toshiaki; Salem, Amir M.H.; Terato, Hiroaki; Pack, Seung Pil; Makino, Keisuke.

In: Nucleic acids symposium series (2004), No. 52, 01.12.2008, p. 57-58.

Research output: Contribution to journalArticle

Ide, Hiroshi ; Nakano, Toshiaki ; Salem, Amir M.H. ; Terato, Hiroaki ; Pack, Seung Pil ; Makino, Keisuke. / Repair of DNA-protein crosslink damage : coordinated actions of nucleotide excision repair and homologous recombination. In: Nucleic acids symposium series (2004). 2008 ; No. 52. pp. 57-58.
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