MUTATION IN HOTSPOT REGIONS OF THE ERG11 GENE AND FLUCONAZOLE RESISTANCE IN CLINICAL ISOLATES OF CANDIDA ALBICANS IN RASHT CITY

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BALABANDI SAEEDEH; KHAZAEI KOOHPAR ZEINAB; RANJI NAJMEH

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Journal: Studies in Medical Sciences Year:2020 | Volume:30 | Issue:10 Page(s): 836-844

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Title

MUTATION IN HOTSPOT REGIONS OF THE ERG11 GENE AND FLUCONAZOLE RESISTANCE IN CLINICAL ISOLATES OF CANDIDA ALBICANS IN RASHT CITY

Author(s)

BALABANDI SAEEDEH | KHAZAEI KOOHPAR ZEINAB | RANJI NAJMEH | Issue Writer Certificate

Keywords

Candida albicans

ERG11

fluconazole

MIC

mutation

V488I

Abstract

Background & Aims: Nowadays, the common use of azoles has led to increased resistance to azole among Candida albicans strains. Amino acid substitutions in azole target enzyme, ERG11p, is attributed to azole resistance in some clinical strains of Candida albicans. The aim of this study was to evaluate ERG11 gene mutations in fluconazole-resistant isolates of Candida albicans in Rasht. Materials & Methods: In this study, the clinical specimens were isolated from the vaginal mucosa of 50 women. Candida albicans isolates were identified using standard identification methods such as germ tubes production and culture in CHROMagar media. Resistance and susceptibility of isolates to fluconazole were investigated through disc diffusion and broth MICro-dilution methods. The mutations in the ERG11 gene were determined in clinical isolates using PCR-sequencing method. Results: In this study, 20 clinical isolates of Candida albicans were resistant to fluconazole. The highest MIC of fluconazole was determined at 2048 µ g/ml. Also, in eight fluconazole-resistant isolates by PCRsequencing, two missense mutations (V437I and V488I) were found in the ERG11 gene. Conclusion: It seems that having several mutations in the ERG11 gene is a reason for high MIC in resistant isolates of Candida albicans in this study. However, investigating other mechanisms of azole resistance is recommended in Candida albicans isolates.

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APA: Copy

BALABANDI, SAEEDEH, KHAZAEI KOOHPAR, ZEINAB, & RANJI, NAJMEH. (2020). MUTATION IN HOTSPOT REGIONS OF THE ERG11 GENE AND FLUCONAZOLE RESISTANCE IN CLINICAL ISOLATES OF CANDIDA ALBICANS IN RASHT CITY. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), 30(10 ), 836-844. SID. https://sid.ir/paper/956268/en

Vancouver: Copy

BALABANDI SAEEDEH, KHAZAEI KOOHPAR ZEINAB, RANJI NAJMEH. MUTATION IN HOTSPOT REGIONS OF THE ERG11 GENE AND FLUCONAZOLE RESISTANCE IN CLINICAL ISOLATES OF CANDIDA ALBICANS IN RASHT CITY. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES)[Internet]. 2020;30(10 ):836-844. Available from: https://sid.ir/paper/956268/en

IEEE: Copy

SAEEDEH BALABANDI, ZEINAB KHAZAEI KOOHPAR, and NAJMEH RANJI, “MUTATION IN HOTSPOT REGIONS OF THE ERG11 GENE AND FLUCONAZOLE RESISTANCE IN CLINICAL ISOLATES OF CANDIDA ALBICANS IN RASHT CITY,” STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), vol. 30, no. 10 , pp. 836–844, 2020, [Online]. Available: https://sid.ir/paper/956268/en

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