{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,31]],"date-time":"2025-10-31T07:14:50Z","timestamp":1761894890997},"reference-count":36,"publisher":"Cambridge University Press (CUP)","issue":"2","license":[{"start":{"date-parts":[[2009,5,15]],"date-time":"2009-05-15T00:00:00Z","timestamp":1242345600000},"content-version":"unspecified","delay-in-days":6801,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":["journals.cambridge.org"],"crossmark-restriction":true},"short-container-title":["Epidemiol. Infect."],"published-print":{"date-parts":[[1990,10]]},"abstract":"<jats:title>SUMMARY<\/jats:title><jats:p>Ninety-six isolates of presumptive or confirmed<jats:italic>Listeria monocytogenes<\/jats:italic>were obtained from local clinical (30 isolates) or food laboratories (66 isolates). Minimal biochemical analysis identified only 80% of these isolates as<jats:italic>L. monocytogenes<\/jats:italic>the remaining included<jats:italic>L. seeligeri<\/jats:italic>, 1%, or the non-haemolytic<jats:italic>L. innocua<\/jats:italic>, 19%. The 27 clinical and 50 food isolates, mainly from meat products, frozen confectionaries, and cheeses, confirmed as<jats:italic>L. monocytogenes<\/jats:italic>were compared biochemically and serologically. Twenty-one isolates, including some strains of<jats:italic>L. innocua<\/jats:italic>and<jats:italic>L. seeligeri<\/jats:italic>, were examined for pathogenicity in immunocompromized mice and 44 typed using bacterial restriction endonuclease DNA analysis (BRENDA). Only isolates of<jats:italic>L. monocytogenes<\/jats:italic>were found to be pathogenic. Biovar-typing of the isolates was unreliable and provided poor discrimination. Serogroups 1\/2 and 4 predominated among clinical and food isolates and BRENDA provided better discrimination among isolates. Ten stable and reproducible restriction patterns were observed among the<jats:italic>Listeria<\/jats:italic>sp. isolates studied. Overall, a combination of techniques gave the best discrimination and indicated their potential for use as epidemiological tools.<\/jats:p>","DOI":"10.1017\/s0950268800047853","type":"journal-article","created":{"date-parts":[[2009,5,15]],"date-time":"2009-05-15T09:17:54Z","timestamp":1242379074000},"page":"245-254","update-policy":"http:\/\/dx.doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":11,"title":["A comparative study of clinical and food isolates of<i>Listeria monocytogenes<\/i>and related species"],"prefix":"10.1017","volume":"105","author":[{"given":"E. A.","family":"Szabo","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P. 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