Etude biochimique, chez E. Coli d'un mécanisme de réparation inductible et mutagène

Doctorat en Sciencesinfo:eu-repo/semantics/nonPublishe

Kinetics of induction of error prone repair of bacteriophage λ by temperature shift in an Escherichia coli dnaB mutant

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LA 2 AMINO-PURINE, UN ANALOGUE DE L'ADENINE, INDUIT CHEZ E.COLI UN MECANISME DE REPARATION NON MUTAGENE AGISSANT SUR LES LESIONS ULTRAVIOLETTES DANS L'ADN DOUBLE-BRIN

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Phage yield during W-reactivation of bacteriophage λ

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Effect of umuC mutations on targeted and untargeted ultraviolet mutagenesis in bacteriophage λ

Mutagenesis of phage λ towards clear-plaque phenotype (c+ → c) results in two classes of mutants that can be distinguished genetically and morphologically. Indirect mutagenesis i.e. mutagenesis of unirradiated phage λc+ stimulated by the ultraviolet irradiation of the Escherichia coli host, results in mixed bursts ( c c+) of turbid wild-type and clear-plaque mutant phages. Pure bursts of λc mutants are induced by irradiation of the phage genome. Irradiation of both phages and host bacteria stimulates the production of the two classes of mutant clones. We show that three different mutant alleles of the E. coli umuC gene only prevent the appearance of pure bursts of clear-plaque mutants, while mixed bursts are produced at least as frequently in umuC mutants as in the umuC+ parent. © 1984.SCOPUS: ar.jinfo:eu-repo/semantics/publishe

Nature of the SOS mutator activity: Genetic characterization of untargeted mutagenesis in Escherichia coli

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Genetic control of the UV-induced SOS mutator effect in single- and double-stranded DNA phages

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UV reactivation of phage λ in a polA mutant of E. coli

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2-Aminopurine induced DNA repair in E. coli

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Conservation and diversification of genes by mismatch correction and SOS induction

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