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Heavy metal mutagenicity: insights from bioinorganic model chemistry.


Müller, J; Sigel, Roland K O; Lippert, B (2000). Heavy metal mutagenicity: insights from bioinorganic model chemistry. Journal of Inorganic Biochemistry, 79(1-4):261-265.

Abstract

The mutagenicity of metal species may be the result of a direct interaction with the target molecule DNA. Possible scenarios leading to nucleobase mispairing are discussed, and selected examples are presented. They include changes in nucleobase selectivity as a consequence of alterations in acid-base properties of nucleobase atoms and groups involved in complementary H bond formation, guanine deprotonation, and stabilization of rare nucleobase tautomers by metal ions. Oxidative nucleobase damage brought about by metal species will not be considered.

Abstract

The mutagenicity of metal species may be the result of a direct interaction with the target molecule DNA. Possible scenarios leading to nucleobase mispairing are discussed, and selected examples are presented. They include changes in nucleobase selectivity as a consequence of alterations in acid-base properties of nucleobase atoms and groups involved in complementary H bond formation, guanine deprotonation, and stabilization of rare nucleobase tautomers by metal ions. Oxidative nucleobase damage brought about by metal species will not be considered.

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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:1 April 2000
Deposited On:11 Feb 2008 12:24
Last Modified:19 Feb 2018 22:15
Publisher:Elsevier
ISSN:0162-0134
OA Status:Closed
Publisher DOI:https://doi.org/10.1016/S0162-0134(99)00179-8
PubMed ID:10830876

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