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Molecular typing of Salmonella serotype Thompson strains isolated from human and animal sources.

Authors :
Chisholm SA
Crichton PB
Knight HI
Old DC
Source :
Epidemiology and infection [Epidemiol Infect] 1999 Feb; Vol. 122 (1), pp. 33-9.
Publication Year :
1999

Abstract

One-hundred-and-thirteen isolates of Salmonella serotype Thompson from diverse sources in seven countries were characterized by PvuII ribotyping and IS200 fingerprinting. Ten PvuII ribotypes were observed. The predominant PvuII ribotype 1 represented a major clone of world-wide distribution but was not found in Australia; PvuII ribotypes 2 and 3 represented minor clones. HincII ribotyping discriminated subtypes within PvuII ribotype 1: HincII ribotype 1 was distributed widely but HincII ribotype 2 was found mainly in Scottish isolates. None of 101 isolates of PvuII ribotypes 1-3 contained copies of IS200. All 12 isolates of PvuII ribotypes 4-10 were from Australia and 7 of them contained copies of IS200 of 5 different profiles. These results suggest the existence of at least two lineages of Salmonella Thompson with a different geographical distribution. The finding that most isolates from man and poultry in Scotland belonged to the same ribotype (PvuII 1/HincII 2) and were IS200-negative suggests that poultry is an important source of human infection in Scotland.

Details

Language :
English
ISSN :
0950-2688
Volume :
122
Issue :
1
Database :
MEDLINE
Journal :
Epidemiology and infection
Publication Type :
Academic Journal
Accession number :
10098783
Full Text :
https://doi.org/10.1017/s0950268898001836