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Antifungal susceptibility of non-albicans Candida spp. isolated from raw milk and human blood in Alborz and Tehran provinces

Authors
  • Namvar, Zahra1
  • Sepahy, Abbas Akhavan1
  • Tabatabaei, Robab Rafiei1
  • Rezaie, Sassan2
  • 1 Depatment of Microbiology, School of Biological Sciences, Islamic Azad University, North Tehran Branch, Tehran, Iran
  • 2 Depatment of Medical Mycology and Parasitology, Division of Molecular Biology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
Type
Published Article
Journal
Iranian Journal of Microbiology
Publisher
Tehran University of Medical Sciences
Publication Date
Dec 01, 2019
Volume
11
Issue
6
Pages
520–526
Identifiers
PMID: 32148684
PMCID: PMC7048955
Source
PubMed Central
Keywords
License
Green

Abstract

Background and Objectives: Recent reports indicate high prevalence of fungal infections due to non-albicans Candida spp. which are present in various environments such as raw milk. The quality of milk for fungal normal flora was investigated in this study. Materials and Methods: A total of 262 milk samples were collected directly from milk collection tanks indesignated dairy farms and cultured in SDA media. By further analysis of grown yeasts, 69 non-albicans Candida strains were identified. Antifungal susceptibility of the isolated species, were evaluated against amphotericin B, itraconazole, fluconazole and flucytosine. Fifty two non-albicans clinical samples isolated from human blood have been evaluated along. Results: Antifungal susceptibility evaluation in non-albicans strains isolated from milk revealed Candida glabrata and Candida tropicalis to be 100% sensitive to flucytosine and fluconazole. Candida krusei showed 94% and 80% sensitivity to flucytosine and fluconazole respectively. Candida parapsilosis indicated 72.72% sensitivity to fluconazole. Conclusion: Evaluation of non-albicans Candida species in raw milk and antifungal susceptibility patterns of these isolates-compare with non-albicansisolates from human blood, may help physicians to choose an appropriate medication for diseases needing long-term treatment, especially for diseases caused by local strains.

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