Malassezia Display a Hyphae-like "Spaghetti-and-Meatballs" Configuration in Keratotic Plugs

  • Cho Otomi
    Department of Microbiology, Meiji Pharmaceutical University
  • Unno Mizuki
    Department of Microbiology, Meiji Pharmaceutical University
  • Aoki Keita
    Laboratory of Yeast Systematics, Research Institute for Agricultural and Life Sciences, Tokyo University of Agriculture
  • Takashima Masako
    Laboratory of Yeast Systematics, Research Institute for Agricultural and Life Sciences, Tokyo University of Agriculture
  • Sugita Takashi
    Department of Microbiology, Meiji Pharmaceutical University

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  • <i>Malassezia</i> Display a Hyphae-like “Spaghetti-and-Meatballs” Configuration in Keratotic Plugs

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説明

Malassezia are lipophilic yeasts in the skin microbiome that abundantly colonize all parts of human skin except for the soles of the feet. Fungal microbiome analysis of keratotic plugs from the noses of 10 healthy individuals identified Malassezia restricta as the predominant species, followed by Malassezia globosa. Malassezia hyphae were observed in 5 of the 10 individuals. The hyphae were curved and thick-walled with spherical thick-walled and grouped blastoconidia, described as a “spaghetti-and-meatballs” configuration. In this study, we observed Malassezia hyphae in keratotic plugs of healthy subjects, although abundant Malassezia hyphae have previously only been observed in lesional sites of patients with pityriasis versicolor.

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