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Identification of enterotoxigenic Escherichia coli (ETEC) clades with long-term global distribution

von Mentzer, Astrid, Connor, Thomas R. ORCID:, Wieler, Lothar H., Semmler, Torsten, Iguchi, Atsushi, Thomson, Nicholas R., Rasko, David A., Joffre, Enrique, Corander, Jukka, Pickard, Derek, Wiklund, Gudrun, Svennerholm, Ann-Mari, Sjöling, Åsa and Dougan, Gordon 2014. Identification of enterotoxigenic Escherichia coli (ETEC) clades with long-term global distribution. Nature Genetics 46 (12) , pp. 1321-1326. 10.1038/ng.3145

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Enterotoxigenic Escherichia coli (ETEC), a major cause of infectious diarrhea, produce heat-stable and/or heat-labile enterotoxins and at least 25 different colonization factors that target the intestinal mucosa. The genes encoding the enterotoxins and most of the colonization factors are located on plasmids found across diverse E. coli serogroups. Whole-genome sequencing of a representative collection of ETEC isolated between 1980 and 2011 identified globally distributed lineages characterized by distinct colonization factor and enterotoxin profiles. Contrary to current notions, these relatively recently emerged lineages might harbor chromosome and plasmid combinations that optimize fitness and transmissibility. These data have implications for understanding, tracking and possibly preventing ETEC disease.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Systems Immunity Research Institute (SIURI)
Publisher: Nature
ISSN: 1061-4036
Date of Acceptance: 17 October 2014
Last Modified: 28 Oct 2022 08:29

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