Expression of the plasmid pKM101-determined DNA repair system in recA- and lex- strains of Escherichia coli
| Autor: | N. Babudri, L. Samer, C. Monti-Bragadin |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 1976 |
| Předmět: |
Salmonella typhimurium
DNA Repair DNA repair Extrachromosomal Inheritance Biology medicine.disease_cause chemistry.chemical_compound Plasmid Genetics medicine Escherichia coli Molecular Biology Recombination Genetic Tryptophan Drug Resistance Microbial biochemical phenomena metabolism and nutrition Tetracycline Molecular biology Plasmid pKM101 Methyl methanesulfonate chemistry Colicin Conjugation Genetic Mutation Streptomycin bacteria Plasmids |
| Popis: | pKM101, a plasmid R factor of the N compatibility group increases methylmethane sulfonate mutagenesis and diminishes UV-killing in recA+ LEX+ and recA+ lex- strains, , but not in recA-lex+ strains. The induction of a "reclex" dependent colicin is not present in lex- strains carrying the pKM101 factor. These facts indicate that pKM101 acts through an error-prone DNA repair system which is recA+ dependent, but not lex+ dependent. |
| Databáze: | OpenAIRE |
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