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  • Title: [Esterase activities of Candida species].
    Author: Keçeli SA, Budak F.
    Journal: Mikrobiyol Bul; 2004; 38(1-2):99-103. PubMed ID: 15293908.
    Abstract:
    The aim of this study was to determine the esterase activity of clinically important Candida species and to evaluate tween 80 opacity test medium as an additional identification method. A total of 118 Candida isolates (86 C. albicans, 12 C. tropicalis, 5 C. glabrata, 4 C. krusei, 3 C. guilliermondii, 3 C. kefyr, 3 C. parapsilosis, 1 C. famata, 1 C. dubliniensis) were examined for their response to tween 80 opacity test. Our results showed that, 83 of 86 (96.5%) Candida albicans, and all of the C. tropicalis and C. guilliermondii strains (100%) yielded a halo around their colonies. The remaining Candida species did not produce a positive test response after 13 days of incubation. It can be concluded that, tween 80 opacity test is a simple and economical test that can be used as a supplementary test for the identification of Candida species.
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