Persistent and transient clones of Salmonella typhimurium of phage type 141 recognized by biotyping

• Published in: Epidemiology and infection Vol. 102; no. 1; pp. 113 - 118
• Main Authors: Old, D. C., Barker, Ruth M.
• Format: Journal Article
• Language: English
• Published: Cambridge, UK Cambridge University Press 01.02.1989
• Subjects: Animals; Bacterial Typing Techniques; Bacteriology; Bacteriophage Typing; Bacteriophages; Biological and medical sciences; British culture; Epidemics; Epidemiology; Fundamental and applied biological sciences. Psychology; Humans; Infections; Infectious diseases; Microbiology; Poultry - microbiology; Salmonella typhimurium; Salmonella typhimurium - classification; Salmonella typhimurium - isolation & purification; Scotland; Surveillance; Scotland; Infection; Bacteriosis; Biotype; Bacteria; Isolation; Escherichieae; Epidemiology; Clinical isolate; Salmonella typhimurium; Enterobacteriaceae
• ISSN: 0950-2688; 1469-4409
• DOI: 10.1017/S0950268800029745

Among the 81 cultures of Salmonella typhimurium of phage type 141 examined, 72 had been isolated from Sheffield incidents in 1984–5 and 9 were Scottish isolates from 1986–7. All of these cultures from diverse sources belonged to primary biotype 31; 79 were of full biotype 31beg and 2 anaerogenic cultures were of full biotype 31begj. This is the first known occasion on which an epidemic strain of S. typhimurium of phage type/biotype 141/31beg has been implicated in outbreaks of human or animal infection in the UK. Because previous epidemic strains of S. typhimurium of phage type 141 in the UK belonged to biotypes 1f and 9f which are phylogenetically unrelated to biotype 31beg, the likely origin of this most recent epidemic S. typhimurium strain of phage type/biotype 141/31beg is discussed.