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A Chronic Autochthonous Fifth Clade Case of Candida Auris Otomycosis in Iran Publisher Pubmed



Safari F1 ; Madani M1 ; Badali H2, 3 ; Kargoshaie AA4 ; Fakhim H5 ; Kheirollahi M6 ; Meis JF7, 8 ; Mirhendi H1, 9, 10
Authors
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Authors Affiliations
  1. 1. Department of Microbiology, Falavarjan Branch, Islamic Azad University, Isfahan, Iran
  2. 2. Invasive Fungi Research Center, Communicable Diseases Institute, Mazandaran University of Medical Sciences, Sari, Iran
  3. 3. Fungus Testing Laboratory, Department of Pathology and Laboratory Medicine, University of Texas Health Science Center at San Antonio, San Antonio, TX, United States
  4. 4. Department of Otolaryngology, School of Medicine, Al-Zahra Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
  5. 5. Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  6. 6. Department of Genetics and Molecular Biology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  7. 7. Department of Medical Microbiology and Infectious Diseases, Canisius-Wilhelmina Hospital, Nijmegen, Netherlands
  8. 8. Excellence Center for Medical Mycology, Centre of Expertise in Mycology Radboudumc/Canisius-Wilhelmina Hospital, Nijmegen, Netherlands
  9. 9. Department of Parasitology and Mycology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  10. 10. Research Core Facilities Laboratory, Mycology Reference Laboratory, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Mycopathologia Published:2022


Abstract

Candida auris, a multidrug-resistant nosocomial pathogen, has emerged globally with high morbidity and mortality among immunocompromised individuals and COVID19 hospitalized patients. Five major clades of C. auris have been previously described. The fifth clade is exclusively found in Iran where C. auris isolates are genetically distinct from other clades by > 200,000 single-nucleotide polymorphisms. The origin of C. auris remains unclear, and limited clinical data are available at present regarding clade V infection or colonization. Herein, another case of otomycosis in Iran caused by an isolate of C. auris belonging to the fifth clade is reported. Genotyping revealed that the obtained C. auris isolate from Isfahan clustered with earlier clade V isolates from Babol, cities around 600 km separated, which indicates that C. auris clade V is established in Iran. C. auris is thought to exist more commonly in Iran, given that limited diagnostic capacity in the country has probably curbed the identification of more C. auris cases. Therefore, surveillance of the environment, patients and healthcare facilities in different geographical regions in Iran is urgently required. © 2021, The Author(s), under exclusive licence to Springer Nature B.V.
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