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Antimicrobial Agents and Chemotherapy, January 2006, p. 344-347, Vol. 50, No. 1
0066-4804/06/$08.00+0 doi:10.1128/AAC.50.1.344-347.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.
5-Nitroimidazole Drugs Effective against Metronidazole-Resistant Trichomonas vaginalis and Giardia duodenalis
Jacqueline A. Upcroft,1*
Linda A. Dunn,1
Janelle M. Wright,1,2
Kamel Benakli,3
Peter Upcroft,1 and
Patrice Vanelle3
Queensland Institute of Medical Research and ACITHN, 300 Herston Rd., Brisbane, Queensland 4006, Australia,1
School of Population Health, University of Queensland, Brisbane, Queensland 4072, Australia,2
Laboratoire de Chimie Organique Pharmaceutique, LCOP-UMR CNRS 6517, Université de la Méditerranée, Faculté de Pharmacie, 27 Bd. J Moulin, 13385 Marseille Cedex 05, France3
Received 1 June 2005/
Returned for modification 22 June 2005/
Accepted 12 October 2005
Metronidazole (Mz)-resistant Giardia and Trichomonas were inhibited by 1 of 30 new 5-nitroimidazole drugs. Another five drugs were effective against some but not all of the Mz-resistant parasites. This study provides the incentive for the continued design of 5-nitroimidazole drugs to bypass cross-resistance among established 5-nitromidazole antiparasitic drugs.
* Corresponding author. Mailing address: The Queensland Institute of Medical Research, P.O. Royal Brisbane Hospital, Brisbane, Queensland 4029, Australia. Phone: 61 7 3362 0369. Fax: 61 7 3362 0105. E-mail:
Jacqui.Upcroft{at}qimr.edu.au.
Antimicrobial Agents and Chemotherapy, January 2006, p. 344-347, Vol. 50, No. 1
0066-4804/06/$08.00+0 doi:10.1128/AAC.50.1.344-347.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.
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