Comparison of the biotypes of Yersinia enterocolitica isolated from pigs, cattle and sheep at slaughter and from humans with yersiniosis in Great Britain during 1999-2000

Aims: To investigate the relationship between livestock carriage of Yersinia enterocolitica and human disease. The biotypes/serotypes of strains recovered from the faeces of pigs, cattle and sheep at slaughter during a national survey in Great Britain in 1999–2000, were compared with those of strai...

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Published in:	Letters in applied microbiology Vol. 39; no. 1; pp. 103 - 108
Main Authors:	McNally, A, Cheasty, T, Fearnley, C, Dalziel, R.W, Paiba, G.A, Manning, G, Newell, D.G
Format:	Journal Article
Language:	English
Published:	Oxford, UK Blackwell Science Ltd 01-01-2004 Blackwell Science
Subjects:	Abattoirs Animals Animals, Domestic - microbiology Biological and medical sciences biotype cattle Cattle - microbiology Cattle Diseases - microbiology Fundamental and applied biological sciences. Psychology Humans Microbiology pigs prevalence sheep Sheep - microbiology Sheep Diseases - microbiology Swine - microbiology Swine Diseases - microbiology Y. enterocolitica Yersinia enterocolitica Yersinia enterocolitica - classification Yersinia enterocolitica - pathogenicity Yersinia enterocolitica - physiology Yersinia Infections - microbiology Yersinia Infections - veterinary British Isles Human Prevalence Applied microbiology cattle Pig Infection Yersinia enterocolitica pigs Vertebrata Mammalia Y. enterocolitica Bacteriosis Biotype Bacteria Sheep Artiodactyla Slaughter humans Ungulata Comparative study Yersiniosis Enterobacteriaceae
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Summary:	Aims: To investigate the relationship between livestock carriage of Yersinia enterocolitica and human disease. The biotypes/serotypes of strains recovered from the faeces of pigs, cattle and sheep at slaughter during a national survey in Great Britain in 1999–2000, were compared with those of strains isolated from human cases of yersiniosis during the same period. Methods and Results: The faecal carriage of Y. enterocolitica by cattle, sheep and pigs at slaughter was 6·3, 10·7 and 26·1%, respectively. Yersinia enterocolitica biotype (BT) 1a was the most frequently isolated biotype from livestock (58%) and was the predominant biotype (53%) isolated from human cases over the same period. The main recognized pathogenic Y. enterocolitica biotype isolated from livestock was BT3 (O:5,27) (35% of sheep, 22% of pigs and 4% of cattle) but this biotype was not detected in any of the human isolates investigated. The major pathogenic biotypes of strains isolated from humans were BT3 (O:9) (24%) and BT4 (O:3) (19%) whereas of the veterinary isolates investigated, only pigs (11%) carried BT3 (O:9) strains. Conclusions: Because of significant overlaps in phenotypes of the veterinary and human strains it is not possible to comment on the correlation between host and pathogenicity, especially of biotype 1a. Significance and Impact of the Study: The data suggest that further investigations using methods with greater discriminatory power are required. However the data also suggests that pigs may be the primary reservoir for human pathogenic Y. enterocolitica infection.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Article-1 ObjectType-Feature-2
ISSN:	0266-8254 1472-765X 1365-2673
DOI:	10.1111/j.1472-765X.2004.01548.x