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New yeast species, Malassezia dermatis, isolated from patients with atopic dermatitis
Takashi Sugita1, Masako Takashima, Takako Shinoda
1Department of Microbiology, Meiji Pharmaceutical University, Kiyose, Tokyo, Japan. sugita@my-pharm.ac.jp
Abstract:
Malassezia species are considered to be one of the exacerbating factors in atopic dermatitis (AD). During examination of the cutaneous colonization of Malassezia species in AD patients, we found a new species on the surface of the patients' skin. Analysis of ribosomal DNA sequences suggested that the isolates belonged to the genus MALASSEZIA: They did not grow in Sabouraud dextrose agar but utilized specific concentrations of Tween 20, 40, 60, and 80 as a lipid source. Thus, we concluded that our isolates were new members of the genus Malassezia and propose the name Malassezia dermatis sp. nov. for these isolates.