Affiliation:
1. Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
Abstract
In addition to carrying determinants conferring resistance to at least two antibiotics, chloramphenicol and streptomycin, a
Klebsiella aerogenes
strain contains a plasmid responsible for increased β-galactosidase activity. The plasmid can be transferred to
Escherichia coli
and
Salmonella typhimurium
strains.
K. aerogenes
segregants without the plasmid grow on lactose one-half as fast as the parent strain and contain only one-tenth to one-fifth as much β-galactosidase.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Cited by
23 articles.
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