Journal Article

Survey of antibiotic resistance in an integrated marine aquaculture system under oxolinic acid treatment

Etienne Giraud, Diane-Gaëlle Douet, Hervé Le Bris, Agnes Bouju-Albert, Claire Donnay-Moreno, Chantal Thorin and Hervé Pouliquen

in FEMS Microbiology Ecology

Volume 55, issue 3, pages 439-448
Published in print March 2006 |
Published online December 2006 | e-ISSN: 1574-6941 | DOI: https://dx.doi.org/10.1111/j.1574-6941.2005.00036.x

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Abstract

The consequences of antibiotic use in aquatic integrated systemset al.,which are based on trophic interactions between different cultured organisms and physical continuity through wateret al.,need to be examined. In this studyet al.,fish reared in a prototype marine integrated system were given an oxolinic acid treatmentet al.,during and after which the level of resistance to this quinolone antibiotic was monitored among vibrio populations from the digestive tracts of treated fishet al.,co-cultured bivalves and sediments that were isolated on thiosulfate–citrate–bile–sucrose. Oxolinic acid minimum inhibitory concentration distributions obtained from replica plating of thiosulfate–citrate–bile–sucrose plates indicated that a selection towards oxolinic acid resistance had occurred in the intestines of fish under treatment. In contrastet al.,and despite oxolinic acid concentrations higher than minimum inhibitory concentrations of susceptible bacteriaet al.,no clear evolution of resistance levels was detected either in bivalves or in sediments.

Keywords: integrated aquaculture; antibiotic resistance; vibrios

Journal Article.  6333 words.  Illustrated.

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