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Antimicrobial Agents and Chemotherapy, December 2007, p. 4498-4501, Vol. 51, No. 12
0066-4804/07/$08.00+0     doi:10.1128/AAC.00538-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

Antimicrobial Susceptibilities and Clinical Sources of Dialister Species{triangledown}

F. Morio,1 H. Jean-Pierre,1 L. Dubreuil,2 E. Jumas-Bilak,3 L. Calvet,2 G. Mercier,4 R. Devine,1 and H. Marchandin1,3*

Centre Hospitalier et Universitaire de Montpellier, Hôpital Arnaud de Villeneuve Laboratoire de Bactériologie, 371, Avenue du Doyen Gaston Giraud, F-34295 Montpellier Cedex 5, France,1 Université Lille II, Faculté de Pharmacie, Laboratoire de Bactériologie, 3, rue du Professeur Laguesse, F-59006 Lille Cedex, France,2 Université Montpellier 1, UFR des Sciences pharmaceutiques, Laboratoire de Bactériologie-virologie, EA 3755, 15, Avenue Charles Flahault, BP 14491, F-34093 Montpellier Cedex 5, France,3 Centre Hospitalier et Universitaire de Montpellier, Hôpital Arnaud de Villeneuve Département de l'Information Médicale, 371, Avenue du Doyen Gaston Giraud, F-34295 Montpellier Cedex 5, France4

Received 23 April 2007/ Returned for modification 3 June 2007/ Accepted 22 September 2007

Seventy-four strains representing the four species of the genus Dialister were isolated from various clinical samples. Dialister pneumosintes and Dialister micraerophilus were the two mainly encountered species. Fifty-five isolates were tested against 14 antimicrobial agents. Decreased susceptibilities to piperacillin, metronidazole, macrolides, fluoroquinolones, and rifampin were demonstrated. The clinical impact of these decreased susceptibilities remains to be investigated but should prompt microbiologists to perform antimicrobial susceptibility testing for clinically important Dialister spp.

* Corresponding author. Mailing address: Centre Hospitalier et Universitaire de Montpellier, Hôpital Arnaud de Villeneuve, Laboratoire de Bactériologie, 371, Avenue du Doyen Gaston Giraud, F-34295 Montpellier Cedex 5, France. Phone: 33 4 67 33 58 84. Fax: 33 4 67 33 58 93. E-mail: h-marchandin{at}chu-montpellier.fr

{triangledown} Published ahead of print on 8 October 2007.

Antimicrobial Agents and Chemotherapy, December 2007, p. 4498-4501, Vol. 51, No. 12
0066-4804/07/$08.00+0     doi:10.1128/AAC.00538-07
Copyright © 2007, American Society for Microbiology. All Rights Reserved.





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