Nucleotide incorporation against 7,8-dihydro-8-oxoguanine is influenced by neighboring base sequences in TLS DNA polymerase reaction.

Chinwei Yung, Tetsuya Suzuki, Yoji Okugawa, Asako Kawakami, David Loakes, Kazuo Negishi, Tomoe Negishi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

7,8-Dihydro-8-oxoguanine (8-oxoG) is a well-known oxidative lesion in DNA and is related to carcinogenesis and ageing processes. Misincorporation of dATP opposite to 8-oxoG leads to G --> T transversion mutations. DNA sequence has been proved as an important factor influencing the replication and enzymatic repair of various types of damages. To explore the influence of sequence effect on the properties of translesion synthesis (TLS) polymerase bypass of 8-oxoG, oligonucleotides with an 8-oxoG in different sequence contexts were used. We conclude that the 5'-nearest base next to 8-oxoG has significant effects in the G --> T mutation by hpoleta.

Original languageEnglish
Pages (from-to)49-50
Number of pages2
JournalNucleic acids symposium series (2004)
Issue number51
Publication statusPublished - 2007

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DNA-Directed DNA Polymerase
Nucleotides
Mutation
Oligonucleotides
Carcinogenesis
DNA
7,8-dihydro-8-oxoguanine

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Nucleotide incorporation against 7,8-dihydro-8-oxoguanine is influenced by neighboring base sequences in TLS DNA polymerase reaction. / Yung, Chinwei; Suzuki, Tetsuya; Okugawa, Yoji; Kawakami, Asako; Loakes, David; Negishi, Kazuo; Negishi, Tomoe.

In: Nucleic acids symposium series (2004), No. 51, 2007, p. 49-50.

Research output: Contribution to journalArticle

Yung, Chinwei ; Suzuki, Tetsuya ; Okugawa, Yoji ; Kawakami, Asako ; Loakes, David ; Negishi, Kazuo ; Negishi, Tomoe. / Nucleotide incorporation against 7,8-dihydro-8-oxoguanine is influenced by neighboring base sequences in TLS DNA polymerase reaction. In: Nucleic acids symposium series (2004). 2007 ; No. 51. pp. 49-50.
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AU - Loakes, David

AU - Negishi, Kazuo

AU - Negishi, Tomoe

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