Malassezia species in students from universities of Sabzevar, Northeastern Iran

Malassezia species, usually part of normal human skin microbiota, may also cause cutaneous infections, mainly pityriasis versicolor (PV) which may rapidly spread in crowded communities, particularly in students’ dormitories and sport leisure centers. Few studies have been conducted on PV in students...

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Bibliographic Details
Published in:Journal de mycologie médicale 2018-03, Vol.28 (1), p.70-75
Main Authors: Moallaei, H., Namazi, M.J., Bouchara, J.P., Pourhammed, S.
Format: Article
Language:English
Subjects:
Adolescent
Dermatitis - diagnosis
Dermatitis - epidemiology
Dermatitis - microbiology
DNA, Ribosomal
Female
Humans
Iran - epidemiology
Life Sciences
Malassezia - classification
Malassezia - genetics
Malassezia - isolation & purification
Malassezia species
Male
Microscopy
PCR-RFLP
Polymerase Chain Reaction
Prevalence
Risk Factors
Skin - microbiology
Skin disorders
Students
Tinea Versicolor - diagnosis
Tinea Versicolor - epidemiology
Tinea Versicolor - microbiology
Universities
Young Adult
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Summary:Malassezia species, usually part of normal human skin microbiota, may also cause cutaneous infections, mainly pityriasis versicolor (PV) which may rapidly spread in crowded communities, particularly in students’ dormitories and sport leisure centers. Few studies have been conducted on PV in students in the Middle East. The present study was designed to determine prevalence of Malassezia species and related diseases in students from city of Sabzevar, Northeast Iran. Specimens were collected from 189 students and analyzed by direct microscopy and cultures. Following PCR amplification of the large subunit of ribosomal DNA, species were identified by restriction fragment length polymorphism analysis (RFL-PCR). PV was suspected for 28 students which was confirmed by direct examination and cultures. Cultures also revealed positive for 13 students with healthy skin. Four Malassezia species were identified, with M. restricta as the most prevalent. A higher rate of PV was observed compared to other regions in Iran. However, despite the lipophilic feature of Malassezia species, no significant association was observed between PV or Malassezia species and fatty skin or gender. This study determined the frequencies of Malassezia species in part of Northeast Iran, but further studies are needed to identify risk factors for PV.
ISSN:1156-5233
1773-0449
DOI:10.1016/j.mycmed.2017.12.004