Veterinary microbiology · 2010
An azole-resistant isolate of Malassezia pachydermatis.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Nijima Misako, Kano Rui, Nagata Masahiko, Hasegawa Atsuhiko, Kamata Hiroshi
Аннотация
Canine Malassezia dermatitis (MD) is frequently treated with systemic ketoconazole (KTZ) and itaconazole (ITZ). However, the antifungal susceptibility of clinical isolates of M. pachydermatis from dogs and cats to the azoles has not been well investigated. In the present study, the in vitro susceptibility of the standard strain (CBS1879: the neotype strain of M. pachydermatis) and 29 clinical isolates of M. pachydermatis to the azoles was measured by a modified CLSI M27-A2 test using modified Dixon medium as well as by the E-test. The minimum inhibitory concentrations (MICs) of the 30 isolates of M. pachydermatis (including the neotype strain) against KTZ and ITZ were <0.03 μg/ml by the two methods. The MICs of 1 clinical isolate (ASC-11) were 1 and 2 μg/ml against KTZ, and 2 and 8 μg/ml against ITZ, by the modified CLSI M27-A2 test and the E-test, respectively. Thus, isolate ASC-11 may be resistant to these azoles, making this the first report of a resistant isolate of M. pachydermatis to KTZ and ITZ.