The presence of the drug resistance plasmid pKM101 restored the ability of Escherichia coli umuC mutant strains to be mutated by methyl methanesulfonate. Inducible (Weigle) reactivation of ultraviolet-irradiated bacteriophage lambda was not observed in uvrA6 umuC mutant strains lacking pKM101 but wa
Plasmid pKM101-mediated mutagenesis in Escherichia coli is inducible
✍ Scribed by Cieśla, Zygmunt
- Publisher
- Springer
- Year
- 1982
- Tongue
- English
- Weight
- 304 KB
- Volume
- 186
- Category
- Article
- ISSN
- 0026-8925
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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 facto
A large (greater than 250 kb) conjugative plasmid, pMER610, specifying resistance to tellurium and mercury was isolated from an Alcaligenes strain and transferred by conjugation to Escherichia coli AB1157. The acquisition of pMER610 by AB1157 increased the resistance to both telurite and tellurate b