Restriction fragment length polymorphism analysis of Listeria monocytogenes and its application to epidemiological investigations

A.E. Lew; P.M. Desmarchelier

doi:10.1016/0168-1605(92)90068-E

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Restriction fragment length polymorphism analysis of Listeria monocytogenes and its application to epidemiological investigations

Journal article

Peer reviewed

Restriction fragment length polymorphism analysis of Listeria monocytogenes and its application to epidemiological investigations

A.E. Lew and P.M. Desmarchelier

International Journal of Food Microbiology, Vol.15(3-4), pp.347-356

1992

DOI: https://doi.org/10.1016/0168-1605(92)90068-E

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Abstract

The restriction fragment length polymorphisms (RFLPs) of 64 random potentially related strains of Listeria monocytogenes were analysed and compared using a probe comprised of two L. monocytogenes chromosome fragments cloned into a α vector. Twelve RFLP types were defined using 14 isolates of clinical origin, 42 food isolates and eight food associated environmental strains. Of the RFLP types, some were common to a particular serovar and source, whereas other were widespread amongst all serovars and sources. One of the two most common RFLP patterns was associated with serovar ½ isolates from food or the environment, whereas another dominant pattern was associated most commonly with serovar four isolates from all sources. The potential relationships between epidemologically related strains were examined, with the analysis of types from a suspected listeriosis outbreak, from clinical maternal-foetal cases, and from an ice-cream factory environmental study. Serotyping alone was not a sufficient marker for the comparison of these strains whereas further discrimination of strains was possible with RFLP analysis.

Details

Title: Restriction fragment length polymorphism analysis of Listeria monocytogenes and its application to epidemiological investigations
Authors/Creators: A.E. Lew (Author/Creator)
P.M. Desmarchelier (Author/Creator)
Publication Details: International Journal of Food Microbiology, Vol.15(3-4), pp.347-356
Publisher: Elsevier
Identifiers: 991005542889307891
Copyright: © 1992 Published by Elsevier B.V.
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Citation topics: 1 Clinical & Life Sciences; 1.42 Bacteriology; 1.42.678 Listeria Monocytogenes
Web Of Science research areas: Food Science & Technology; Microbiology
ESI research areas: Agricultural Sciences