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Repair of bleomycin-induced damage to Escherichia coli DNA. II. Participation of inducible processes

Dzhataev, S.A.; Tanirbergenov, T.B.; Tarasov, V.A.

Genetika 16(10): 1816-1824

1980

ISSN/ISBN: 0016-6758
PMID: 6161859
Document Number: 160925
The role of inducible cell functions in repair and mutagenesis after bleomycin-induced DNA damages was studied in Escherichia coli. Influence on these processes of some rec genes as well as sbcB, the structural gene for exonuclease I, was investigated. The data obtained suggest that this enzyme plays a negative role in the repair of DNA damaged by bleomycin. The hypersensitivity of recA mutant to bleomycin and recAlexA-dependence of bleomycin-induced mutagenesis do not suggest any principal differences between UV-induced pyrimidine dimers and apyrimidinic sites in the case of post-replication repair.

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Dzhataev, S.A.; Tanirbergenov, T.B.; Tarasov, V.A. 1980: Repair of bleomycin-induced damage to Escherichia coli DNA. I. Excision repair of apyrimidinic sites Genetika 16(4): 602-608
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