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Diversity of Geophilic Dermatophytes Species in the Soils of Iran; the Significant Preponderance of Nannizzia Fulva Publisher



Taghipour S1 ; Abastabar M2 ; Piri F3 ; Aboualigalehdari E4 ; Jabbari MR2 ; Zarrinfar H5 ; Nouripoursisakht S6 ; Mohammadi R7 ; Ahmadi B8 ; Ansari S9 ; Katiraee F10 ; Niknejad F11 ; Didehdar M12 ; Nazeri M13 Show All Authors
Authors
  1. Taghipour S1
  2. Abastabar M2
  3. Piri F3
  4. Aboualigalehdari E4
  5. Jabbari MR2
  6. Zarrinfar H5
  7. Nouripoursisakht S6
  8. Mohammadi R7
  9. Ahmadi B8
  10. Ansari S9
  11. Katiraee F10
  12. Niknejad F11
  13. Didehdar M12
  14. Nazeri M13
  15. Makimura K14
  16. Rezaeimatehkolaei A3, 4
Show Affiliations
Authors Affiliations
  1. 1. Department of Medical Parasitology and Mycology, Faculty of Medicine, Shahrekord University of Medical Sciences, Shahrekord, 88157-13471, Iran
  2. 2. Invasive Fungi Research Center, Department of Medical Mycology and Parasitology, School of Medicine, Mazandaran University of Medical Sciences, Sari, 48157-33971, Iran
  3. 3. Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, 61357-15794, Iran
  4. 4. Department of Medical Mycology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, 61357-15794, Iran
  5. 5. Allergy Research Center, Mashhad University of Medical Sciences, Mashhad, 91766-99199, Iran
  6. 6. Medicinal Plants Research Center, Yasuj University of Medical Sciences, Yasuj, 75919-94799, Iran
  7. 7. Department of Medical Parasitology and Mycology, School of Medicine, Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, 81746-73461, Iran
  8. 8. Department of Medical Laboratory Sciences, Faculty of Paramedical, Bushehr University of Medical Sciences, Bushehr, 75187-59577, Iran
  9. 9. Department of Medical Parasitology and Mycology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, 19857-17443, Iran
  10. 10. Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, 51666-16471, Iran
  11. 11. Laboratory Sciences Research Center, Golestan University of Medical Sciences, Gorgan, 49189-36316, Iran
  12. 12. Department of Medical Mycology and Parasitology, School of Medicine, Arak University of Medical Sciences, Arak, 63417-38481, Iran
  13. 13. Infectious Diseases Research Center, Kashan University of Medical Sciences, Kashan, 87159-73474, Iran
  14. 14. Laboratory of Medical Mycology, Graduate School of Medicine, Teikyo University, Tokyo, 173-8605, Japan

Source: Journal of Fungi Published:2021


Abstract

A molecular epidemiology study was conducted between 2016 and 2017 by a network of collaborators from 12 provinces in the Islamic Republic of Iran. A total of 1484 soil samples from different habitats were screened for the presence of dermatophytes by using the hair baiting technique. The primary identification of isolates was carried out by amplification and MvaI restriction fragment length polymorphism (RFLP) of the internal transcribed spacers regions of ribosomal DNA (ITS-rDNA). The identifications, especially in the cases of isolates with unknown RFLP patterns, were confirmed by sequencing of the ITS-rDNA region. As a result, 256 isolates were recovered. The isolation rate was higher in soils with pH range 7.1–8.0, collected from animal habitats (n = 78; 34%) and parks and gardens (n = 75; 32%), geographically from Mazandaran Province (n = 115; 49.5%) and seasonally in the spring (n = 129; 50.4%), all of which were statistically significant (p < 0.05). The dermatophytes comprising five species of the two genera, viz., Nannizzia fulva (n = 214), N. gypsea (n = 34), Arthroderma quadrifidum (n = 5), A. gertleri (n = 2) and A. tuberculatum (n = 1), were isolated. The geophilic dermatophytes occurred in various soils from different parts of Iran; however, surprisingly, N. fulva emerged as the dominant species, outnumbering the common geophilic species of N. gypsea. For the definitive identification of soil inhabitant dermatophytes, DNA-based identification is strongly recommended. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
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