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Applied and Environmental Microbiology, October 2007, p. 6686-6690, Vol. 73, No. 20
0099-2240/07/$08.00+0     doi:10.1128/AEM.01054-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Zoo Animals as Reservoirs of Gram-Negative Bacteria Harboring Integrons and Antimicrobial Resistance Genes{triangledown}

Ashraf M. Ahmed,1,3 Yusuke Motoi,1 Maiko Sato,1 Akito Maruyama,1 Hitoshi Watanabe,2 Yukio Fukumoto,2 and Tadashi Shimamoto1*

Laboratory of Food Microbiology and Hygiene, Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima 739-8528, Japan,1 Hiroshima City Asa Zoological Park, Asa-cho Asakita-ku, Hiroshima 731-3355, Japan,2 Department of Microbiology, Faculty of Veterinary Medicine, Kafr El-Sheikh University, Kafr El-Sheikh 33516, Egypt3

Received 11 May 2007/ Accepted 14 August 2007

A total of 232 isolates of gram-negative bacteria were recovered from mammals, reptiles, and birds housed at Asa Zoological Park, Hiroshima prefecture, Japan. Forty-nine isolates (21.1%) showed multidrug resistance phenotypes and harbored at least one antimicrobial resistance gene. PCR and DNA sequencing identified class 1 and class 2 integrons and many ß-lactamase-encoding genes, in addition to a novel AmpC ß-lactamase gene, blaCMY-26. Furthermore, the plasmid-mediated quinolone resistance genes qnr and aac(6')-Ib-cr were also identified.

* Corresponding author. Mailing address: Laboratory of Food Microbiology and Hygiene, Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima 739-8528, Japan. Phone and fax: 81 (82) 424 7897. E-mail: tadashis{at}hiroshima-u.ac.jp

{triangledown} Published ahead of print on 24 August 2007.

Applied and Environmental Microbiology, October 2007, p. 6686-6690, Vol. 73, No. 20
0099-2240/07/$08.00+0     doi:10.1128/AEM.01054-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.



This article has been cited by other articles:

  • Strahilevitz, J., Jacoby, G. A., Hooper, D. C., Robicsek, A. (2009). Plasmid-Mediated Quinolone Resistance: a Multifaceted Threat. Clin. Microbiol. Rev. 22: 664-689 [Abstract] [Full Text]  
  • Ma, J., Zeng, Z., Chen, Z., Xu, X., Wang, X., Deng, Y., Lu, D., Huang, L., Zhang, Y., Liu, J., Wang, M. (2009). High Prevalence of Plasmid-Mediated Quinolone Resistance Determinants qnr, aac(6')-Ib-cr, and qepA among Ceftiofur-Resistant Enterobacteriaceae Isolates from Companion and Food-Producing Animals. Antimicrob. Agents Chemother. 53: 519-524 [Abstract] [Full Text]  


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