Extracellular Phytase in Candida albicans from Different Sources

Author(s): Ali Z. Mahmoudabadi, Shahrzad Heidarinia, Ali Rezaei-Matehkolaei

Journal Name: Current Enzyme Inhibition

Volume 12 , Issue 2 , 2016

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Graphical Abstract:


Background: The activity and role of different extracellular secreted enzymes has been characterized in the pathogenesis of different fungal species. Phytase, a special class of histidine acid phosphatases has recently been specified in some fungal species but not in Candida albicans. The objective of the present study was to elucidate the ability of C. albicans strains from different sources to secrete phytate and its correlation to pathogenicity.

Materials and Methods: A total of 100 C. albicans strains of which 25 isolated from patients with Vulvovaginal Candidiasis (VVC), 25 from normal vagina, 25 from candiduria and 25 from buccal cavity (healthy people) were included in the study. All strains were cultured on phytase specific agar medium. Phytase activity was evaluated as phytase index (PI) according to visual method presented by Tsang using.

Results: Overall, 63 strains (63%) including all of the oral isolates, 88% of VVC and 64% of normal vagina isolates had a high level of phytase activity (Phytase Index ≤ 0.50) while the remaining (37%) included all urinary tracts strains that were unable to secrete phytase (0.50

Conclusions: It is concluded that, most of the phytase activity was detected in oral and vaginal isolates however to provide further explanation on the phytase activity of Candida strains, a broader sampling from other clinical and environmental sources is recommended.

Keywords: Candida albicans, candidiasis, phytase.

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Article Details

Year: 2016
Page: [134 - 136]
Pages: 3
DOI: 10.2174/1573408011666150709163847
Price: $65

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