1998年9月
Molecular analysis of mutations induced by acrolein in human fibroblast cells using supF shuttle vector plasmids
MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS
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- 巻
- 417
- 号
- 2-3
- 開始ページ
- 65
- 終了ページ
- 73
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1016/S1383-5718(98)00093-X
- 出版者・発行元
- ELSEVIER SCIENCE BV
Types of mutations induced by acrolein in the supF gene on the shuttle vector plasmid pMY189 replicated in normal human fibroblast cells were examined. Base sequence analysis of 92 plasmids with mutations in the supF gene revealed that the majority of the mutations were base substitutions (76%) and the others were deletions and insertions (24%), Single base substitutions were most frequently found (46%), while multiple base substitutions were 18% and tandem (two adjacent) base substitutions were 12% of the mutations. Of the base substitution mutations, G:C to T:A transversions were 44% and G:C to A:T transitions were 24%. The mutations were distributed not randomly but located at several hotspots. Acrolein produced DNA intra-strand cross-links between guanine residues, which might be responsible for rather high induction of the tandem base substitution mutations. (C) 1998 Elsevier Science B.V. All rights reserved.
- リンク情報
- ID情報
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- DOI : 10.1016/S1383-5718(98)00093-X
- ISSN : 1383-5718
- PubMed ID : 9733921
- Web of Science ID : WOS:000076030300002