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[Induced mutagenesis in Salmonella typhimurium AG262 strain constructed for screening the mutagens].

Liamkina, Andreeva, Stepanova Nf, O Iu Rusina, Skavronskaia Ag

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Abstract

The Salmonella typhimurium strain AG262 has been constructed for screening of SOS-mutagens, such as UV-light and 4NQO, the Ames plasmidless tester strains of S. typhimurium being mutation-proof under the action of this class of mutagens. The strain AG262 has also been successfully used for screening of induced base pair change mutations occurring independently of cellular SOS-system of mutagenesis (MNNG, EMS, nitrofuran derivatives), and of the mutations induced by frame-shift mutagens (benzo/a/pyrene 7,12-dimethylbenzo/a/antracene ICR-191, 9AA, DDDTDP).

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What this paper is about

The Salmonella typhimurium strain AG262 has been constructed for screening of SOS-mutagens, such as UV-light and 4NQO, the Ames plasmidless tester strains of S. typhimurium being mutation-proof under the action of this class of mutagens. The strain AG262 has also been successfully used for screening of induced base pair change mutations occurring independently of cellular SOS-system of mutagenesis (MNNG, EMS, nitrofuran derivatives), and of the mutations induced by frame-shift mutagens (benzo/a/pyrene 7,12-dimethylbenzo/a/antracene ICR-191, 9AA, DDDTDP).

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Available abstract

The Salmonella typhimurium strain AG262 has been constructed for screening of SOS-mutagens, such as UV-light and 4NQO, the Ames plasmidless tester strains of S. typhimurium being mutation-proof under the action of this class of mutagens. The strain AG262 has also been successfully used for screening of induced base pair change mutations occurring independently of cellular SOS-system of mutagenesis (MNNG, EMS, nitrofuran derivatives), and of the mutations induced by frame-shift mutagens (benzo/a/pyrene 7,12-dimethylbenzo/a/antracene ICR-191, 9AA, DDDTDP).

Key concepts: Mutagenesis, Salmonella, SOS response, Strain (injury), Ames test, Mutation, Genetics, Mutagen

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[Induced mutagenesis in Salmonella typhimurium AG262 strain constructed for screening the mutagens]. — Research Paper | ScholarLens