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Subdivision of Salmonella enteritidis phage types by plasmid profile typing

Published online by Cambridge University Press:  15 May 2009

E. J. Threlfall ,
B. Rowe  and
L. R. Ward
E. J. Threlfall
Affiliation:
Public Health Laboratory Service, Central Public Health Laboratory, Division of Enteric Pathogens, 61 Colindale Avenue, London NW9 5HT
B. Rowe
Affiliation:
Public Health Laboratory Service, Central Public Health Laboratory, Division of Enteric Pathogens, 61 Colindale Avenue, London NW9 5HT
L. R. Ward
Affiliation:
Public Health Laboratory Service, Central Public Health Laboratory, Division of Enteric Pathogens, 61 Colindale Avenue, London NW9 5HT
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Summary

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Differentiation of Salmonella enteritidis by plasmid profile typing has been compared to differentiation by phage typing. Examination of the type strains of the 27 S. enteritidis phage types showed that only 11 profile patterns could be identified. Moreover, two profile patterns were found in 15 of the type strains, including those of the two most common phage types in Britain, types 4 and 8. On this basis, plasmid profile typing is not as sensitive as phage typing for the primary subdivision of S. enteritidis.

When differentiation of 534 strains of the 27 phage types was attempted using plasmid profiles, variation in pattern suitable for epidemiologieal subdivision was found in 13 phage types and there were 9 profile patterns in strains of phage type 4. Plasmid profile typing can, therefore, be regarded as an effective adjunct to phage typing for the subdivision of S. enteritidis

Type
Special Article
Information
Epidemiology & Infection , Volume 102 , Issue 3 , June 1989 , pp. 459 - 465
Copyright
Copyright © Cambridge University Press 1989

References

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