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Journal of Clinical Microbiology, July 2004, p. 3321-3323, Vol. 42, No. 7
0095-1137/04/$08.00+0 DOI: 10.1128/JCM.42.7.3321-3323.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
Genetic Relatedness and Quinolone Resistance of Campylobacter jejuni Strains Isolated in 2002 in Hong Kong
Yiu-Wai Chu,* Man-Yu Chu, Kit-Yee Luey, Yin-Wa Ngan, Ka-Lok Tsang, and Kai-Man Kam
Public Health Laboratory Services Branch, Centre for Health Protection, Department of Health, Hong Kong, Special Administrative Region, Peoples Republic of China
Received 10 December 2003/
Returned for modification 21 January 2004/
Accepted 22 March 2004
Pulsed-field gel electrophoresis fingerprints of 98 Campylobacter jejuni isolates from patients (85) and chicken carcasses (13) in Hong Kong in 2002 demonstrated high genetic diversity. The prevalence of quinolone resistance among the isolates was 85.9%, and replacement of the threonine-86 residue in the gyrase subunit A was the major resistance mechanism.
* Corresponding author. Mailing address: Public Health Laboratory Centre, Department of Health, 382 Nam Cheong St., Shek Kip Mei, Kowloon, Hong Kong SAR, Peoples Republic of China. Phone: 852 2319 8685. Fax: 852 2776 1446. E-mail:
so_micro4{at}dh.gov.hk.
Journal of Clinical Microbiology, July 2004, p. 3321-3323, Vol. 42, No. 7
0095-1137/04/$08.00+0 DOI: 10.1128/JCM.42.7.3321-3323.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.
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