Colicinogeny in Salmonella typhimurium

Department of Bacteriology, University of Dundee Medical School, Ninewells Hospital, Dundee DD1 9SY, Scotland ABSTRACT Colicin types Ia, Ib, E 1 , E 2 , B with M, K, S 4 and a new salmonellin-like colicin were found in 531 (11.8%) of 4481 wild-type cultures of Salmonella typhimurium. Colicin typing...

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Bibliographic Details
Published inJournal of general microbiology Vol. 120; no. 1; pp. 21 - 26
Main Author BARKER, RUTH M
Format Journal Article
LanguageEnglish
Published England Soc General Microbiol 01.09.1980
Subjects
Bacteriocin Plasmids
Colicins - biosynthesis
Salmonella typhimurium - classification
Salmonella typhimurium - metabolism
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Summary:Department of Bacteriology, University of Dundee Medical School, Ninewells Hospital, Dundee DD1 9SY, Scotland ABSTRACT Colicin types Ia, Ib, E 1 , E 2 , B with M, K, S 4 and a new salmonellin-like colicin were found in 531 (11.8%) of 4481 wild-type cultures of Salmonella typhimurium. Colicin typing added little useful information to phage typing and biotyping in strain differentiation, mainly because the most common types, Ia and Ib, are controlled by conjugative plasmids. Evidence from the mixed-Col - /Col + pattern of colicinogeny in circumscribed outbreaks caused by strains of known phage type and biotype suggested that some Col factors are readily acquired by S. typhimurium from other enteric species. When a Col factor of the non-conjugative type, e.g. ColE 2 , becomes established in strains of a successful phage type/biotype line, it may be a useful additional marker character.
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ISSN:0022-1287
1350-0872
1465-2080
DOI:10.1099/00221287-120-1-21