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Antimicrobial Agents and Chemotherapy, December 2009, p. 5308-5311, Vol. 53, No. 12
0066-4804/09/$08.00+0     doi:10.1128/AAC.00630-09
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

Susceptibilities of 23 Desulfovibrio Isolates from Humans{triangledown}

Ken-ichi Nakao,1,2 Kaori Tanaka,2* Suguru Ichiishi,2 Hiroshige Mikamo,3 Toshiyuki Shibata,1 and Kunitomo Watanabe2

Department of Oral and Maxillofacial Sciences, Graduate School of Medicine, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan,1 Division of Anaerobe Research, Life Science Research Center, Gifu University, 1-1 Yanagido, Gifu 501-1194, Japan,2 Department of Infection Control and Prevention, Aichi Medical University, 21 Karimata, Yazako, Nagakute-cho, Aichi-gun, Aichi 480-1195, Japan3

Received 9 May 2009/ Returned for modification 8 July 2009/ Accepted 17 September 2009

Antimicrobial susceptibilities of 23 strains of Desulfovibrio spp. were tested by Etest. Generally, Desulfovibrio spp. were highly susceptible to sulbactam-ampicillin, meropenem, clindamycin, metronidazole, and chloramphenicol: MIC90s of 6, 4, 0.19, 0.25, and 8 µg/ml, respectively. In addition, these strains generally showed high MICs to piperacillin and piperacillin-tazobactam. Desulfovibrio fairfieldensis (eight strains) was the species least susceptible to most agents, especially β-lactams, and was the only species resistant to fluoroquinolones. Desulfovibrio desulfuricans strain Essex 6 isolates were less susceptible to β-lactams than D. desulfuricans strain MB isolates.

* Corresponding author. Mailing address: Division of Anaerobe Research, Life Science Research Center, Gifu University, Yanagido, Gifu 501-1194, Japan. Phone: 81-58-230-6555. Fax: 81-58-230-6551. E-mail: kktb{at}gifu-u.ac.jp

{triangledown} Published ahead of print on 28 September 2009.

Antimicrobial Agents and Chemotherapy, December 2009, p. 5308-5311, Vol. 53, No. 12
0066-4804/09/$08.00+0     doi:10.1128/AAC.00630-09
Copyright © 2009, American Society for Microbiology. All Rights Reserved.





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