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Environ Microbiol Rep. 2010 Apr;2(2):329-32. doi: 10.1111/j.1758-2229.2010.00142.x. Epub 2010 Feb 23.

Globally disseminated human pathogenic Escherichia coli of O25b-ST131 clone, harbouring blaCTX-M-15 , found in Glaucous-winged gull at remote Commander Islands, Russia.

Environmental microbiology reports

Jorge Hernandez, Jonas Bonnedahl, Ingvar Eliasson, Anders Wallensten, Pär Comstedt, Anders Johansson, Susanne Granholm, Asa Melhus, Björn Olsen, Mirva Drobni

Affiliations

  1. Department of Medical Sciences, Uppsala University, Uppsala, Sweden. Laboratory Medicine, Trollhättan, Sweden. School of Natural Sciences, University of Kalmar, Kalmar, Sweden. Department of Clinical Microbiology, Umeå University, Umeå, Sweden.

PMID: 23766085 DOI: 10.1111/j.1758-2229.2010.00142.x

Abstract

With focus on environmental dissemination of antibiotic resistance among clinically relevant bacteria, such as the rising ESBL type of resistance among Escherichia coli, we investigated antibiotic resistance levels in wild birds in the Commander Islands and Kamchatka, Russia. Despite overall low resistance levels in randomly selected E. coli (one from each sample), we found multi-resistant ESBL-producing E. coli harbouring blaCTX-M-14 and blaCTX-M-15 using selective screening. Among these multi-resistant ESBL-producing E. coli we found one blaCTX-M-15 harbouring strain belonging to the O25b-ST131 clone, recognized for its clonal disseminated worldwide as a human pathogen. The potential in acquiring resistant bacteria of human origin, especially highly pathogenic clones, as well as downstream consequences of that, should not be underestimated but further investigated.

© 2010 Society for Applied Microbiology and Blackwell Publishing Ltd.

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