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Antimicrobial Agents and Chemotherapy, March 2005, p. 1198-1200, Vol. 49, No. 3
0066-4804/05/$08.00+0 doi:10.1128/AAC.49.3.1198-1200.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.
International Clone of Neisseria meningitidis Serogroup A with Tetracycline Resistance Due to tet(B)
Sharon A. Crawford,1
Kristin R. Fiebelkorn,1
Jan E. Patterson,2,3 and
James H. Jorgensen1,2*
Departments of Pathology,1
Medicine, University of Texas Health Science Center, and Medicine Service,2
South Texas Veterans Health Care System, San Antonio, Texas3
Received 13 August 2004/
Returned for modification 29 August 2004/
Accepted 31 October 2004
Thirteen Neisseria meningitidis clinical isolates from Africa, Asia, and the United States for which the tetracycline MICs were elevated (
8 µg/ml) were examined for 14 recognized resistance genes. Only the drug efflux mechanism encoded by tet(B) was detected. All isolates were in serogroup A, belonged to complex ST-5, and were closely related by pulsed-field gel electrophoresis analysis.
* Corresponding author. Mailing address: Department of Pathology, University of Texas Health Science Center, 7703 Floyd Curl Dr., San Antonio, TX 78229-3900. Phone: (210) 567-4088. Fax: (210) 567-2367. E-mail:
Jorgensen{at}uthscsa.edu.
Antimicrobial Agents and Chemotherapy, March 2005, p. 1198-1200, Vol. 49, No. 3
0066-4804/05/$08.00+0 doi:10.1128/AAC.49.3.1198-1200.2005
Copyright © 2005, American Society for Microbiology. All Rights Reserved.
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