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Identification of Malassezia species from Tunisian patients with pityriasis versicolor.
Tunis Med. 2010 Feb; 88(2):85-7.TM

Abstract

BACKGROUND

Pityriasis versicolor is caused by Malassezia sp. It is a common worldwide mycosis. Recently, eleven species are known of the Malassezia genus, and are identified in vitro by their morphological characteristics, biochemical tests and by molecular biology. The aim of this study is the identification of Malassezia species from Tunisian patients with pityriasis versicolor.

METHODS

Specimens were taken from 58 patients with pityriasis versicolor. All samples were both inoculated in Sabouraud dextrose agar and Sabouraud agar overlaid with olive oil. Malassezia species were identified by morphological and physiological methods: macroscopy, microscopy, catalase, urease and lipid assimilation tests.

RESULTS

We have isolated five Malassezia species: Malassezia globosa being isolated in 76.2% of patients, followed by Malassezia furfur (9.55%), Malassezia sympodialis (4.75%), Malassezia slooffiae (4.75%) and Malassezia pachydermaties (4.75%).

CONCLUSION

In our study Malassezia globosa presents the main species implicated in the pathogenicity of pityriasis versicolor and Malassezia furfur as the second agent of importance.

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Authors+Show Affiliations

Trabelsi S
Laboratoire de parasitologie-Mycologie, Hôpital Charles Nicolle, Boulevard 9 avril, 1006, Tunis, Tunisie.
Oueslati J
No affiliation info available
Fekih N
No affiliation info available
Kammoun MR
No affiliation info available
Khaled S
No affiliation info available

MeSH

Cross-Sectional StudiesHumansMalasseziaTinea Versicolor

Pub Type(s)

Journal Article

Language

eng

PubMed ID

20415164

Citation

Trabelsi, Sonia, et al. "Identification of Malassezia Species From Tunisian Patients With Pityriasis Versicolor." La Tunisie Medicale, vol. 88, no. 2, 2010, pp. 85-7.
Trabelsi S, Oueslati J, Fekih N, et al. Identification of Malassezia species from Tunisian patients with pityriasis versicolor. Tunis Med. 2010;88(2):85-7.
Trabelsi, S., Oueslati, J., Fekih, N., Kammoun, M. R., & Khaled, S. (2010). Identification of Malassezia species from Tunisian patients with pityriasis versicolor. La Tunisie Medicale, 88(2), 85-7.
Trabelsi S, et al. Identification of Malassezia Species From Tunisian Patients With Pityriasis Versicolor. Tunis Med. 2010;88(2):85-7. PubMed PMID: 20415164.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Identification of Malassezia species from Tunisian patients with pityriasis versicolor. AU - Trabelsi,Sonia, AU - Oueslati,Jézia, AU - Fekih,Nadia, AU - Kammoun,Mohamed Ridha, AU - Khaled,Samira, PY - 2010/4/27/entrez PY - 2010/4/27/pubmed PY - 2010/6/11/medline SP - 85 EP - 7 JF - La Tunisie medicale JO - Tunis Med VL - 88 IS - 2 N2 - BACKGROUND: Pityriasis versicolor is caused by Malassezia sp. It is a common worldwide mycosis. Recently, eleven species are known of the Malassezia genus, and are identified in vitro by their morphological characteristics, biochemical tests and by molecular biology. The aim of this study is the identification of Malassezia species from Tunisian patients with pityriasis versicolor. METHODS: Specimens were taken from 58 patients with pityriasis versicolor. All samples were both inoculated in Sabouraud dextrose agar and Sabouraud agar overlaid with olive oil. Malassezia species were identified by morphological and physiological methods: macroscopy, microscopy, catalase, urease and lipid assimilation tests. RESULTS: We have isolated five Malassezia species: Malassezia globosa being isolated in 76.2% of patients, followed by Malassezia furfur (9.55%), Malassezia sympodialis (4.75%), Malassezia slooffiae (4.75%) and Malassezia pachydermaties (4.75%). CONCLUSION: In our study Malassezia globosa presents the main species implicated in the pathogenicity of pityriasis versicolor and Malassezia furfur as the second agent of importance. SN - 0041-4131 UR - https://www.unboundmedicine.com/medline/citation/20415164/Identification_of_Malassezia_species_from_Tunisian_patients_with_pityriasis_versicolor_ L2 - http://www.latunisiemedicale.com/article-medicale-tunisie.php?article=1260 DB - PRIME DP - Unbound Medicine ER -