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Selection for tetracycline-resistant Chlamydia suis in treated pigs


Borel, N; Regenscheit, N; Di Francesco, A; Donati, M; Markov, J; Masserey, Y; Pospischil, A (2012). Selection for tetracycline-resistant Chlamydia suis in treated pigs. Veterinary Microbiology, 156(1-2):143-146.

Abstract

The aim of this study was to investigate Chlamydia suis in a pig farm with an outbreak of conjunctivitis and diarrhea. Eye swabs and pooled fecal samples were investigated for the presence of C. suis by real-time PCR and ArrayTube microarray. Samples positive for C. suis by ArrayTube microarray assay were further tested for the presence of the tet(C) resistance gene by PCR. In the first examination, C. suis was identified in 12 six-week-old pigs showing conjunctivitis. Of these, the tet(C) gene-coding region was amplified in one pooled fecal sample and one eye swab, respectively. After oral treatment with tetracycline, clinical symptoms disappeared. Subsequently, all eye swabs investigated from 10 healthy pigs were positive for C. suis and the tet(C) gene-coding region. The present study reports rapid selection for tetracycline-resistant C. suis after antibiotic treatment.

The aim of this study was to investigate Chlamydia suis in a pig farm with an outbreak of conjunctivitis and diarrhea. Eye swabs and pooled fecal samples were investigated for the presence of C. suis by real-time PCR and ArrayTube microarray. Samples positive for C. suis by ArrayTube microarray assay were further tested for the presence of the tet(C) resistance gene by PCR. In the first examination, C. suis was identified in 12 six-week-old pigs showing conjunctivitis. Of these, the tet(C) gene-coding region was amplified in one pooled fecal sample and one eye swab, respectively. After oral treatment with tetracycline, clinical symptoms disappeared. Subsequently, all eye swabs investigated from 10 healthy pigs were positive for C. suis and the tet(C) gene-coding region. The present study reports rapid selection for tetracycline-resistant C. suis after antibiotic treatment.

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14 citations in Web of Science®
14 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Veterinary Pathology
Dewey Decimal Classification:570 Life sciences; biology
Uncontrolled Keywords:Chlamydia suis, conjunctivitis, diarrhea, selection, swine, Tetracyline-resistance
Language:English
Date:2012
Deposited On:09 Jan 2012 07:54
Last Modified:05 Apr 2016 15:20
Publisher:Elsevier
ISSN:0378-1135
Publisher DOI:10.1016/j.vetmic.2011.10.011
PubMed ID:22036200
Permanent URL: http://doi.org/10.5167/uzh-54309

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