Diagnostic challenge of gastrointestinal infection due to lactose-fermenting Salmonella enterica subsp. enterica serovar 4,5:I:

Diagn Microbiol Infect Dis

Service de Microbiologie, Centre National de Référence associé Escherichia coli, Hôpital Robert-Debré, Assistance Publique Hôpitaux de Paris, Paris, France; Université de Paris, IAME, INSERM, F-75018 Paris, France. Electronic address:

Published: October 2020

Here, we describe a case of a nontyphoidal Salmonella disease caused by a Salmonella enterica serovar 4,5:i:- (monophasic Salmonella typhimurium) which acquired a Lac operon. This lactose-fermenting bacterium presents a major challenge for phenotypical detection of Salmonella. Only specific agar plates or molecular techniques allow reliable detection.

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http://dx.doi.org/10.1016/j.diagmicrobio.2020.115105DOI Listing

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