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Res Microbiol. 2007 Jan-Feb;158(1):10-7. Epub 2006 Dec 19.

Evaluation of a modified single-enzyme amplified fragment length polymorphism (SE-AFLP) technique for subtyping Salmonella enterica serotype Enteritidis.

Author information

1
Dipartimento di Igiene e Microbiologia G. D'Alessandro, Università degli Studi di Palermo, via del Vespro 133, 90127 Palermo, Italy. g.m.giammanco@unipa.it

Abstract

Salmonella enterica subsp. enterica serotype Enteritidis is not readily subtyped beyond the level of phage type (PT). Pulsed field gel electrophoresis (PFGE) is generally acknowledged to be the most discriminating typing method for Salmonella, but only a restricted variety of PFGE types has been described for S. enterica serotype Enteritidis. In the present study, a modification of the SE-AFLP typing method was used to investigate both outbreak and apparently sporadic isolates of S. enterica serotype Enteritidis belonging to different PTs and/or PFGE types. The method proved to be as discriminatory as PFGE when combined with phage typing, and provided subtyping data consistent with epidemiological information. Although the modified SE-AFLP typing method did not prove to achieve a superior discriminatory ability in resolving clusters, it has a high enough throughput for use in outbreak investigations. This method can be used in combination with other typing methods to obtain epidemiologically relevant subtyping data on S. enterica serotype Enteritidis.

PMID:
17224257
DOI:
10.1016/j.resmic.2006.10.004
[Indexed for MEDLINE]

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