Isolation of Clavispora lusitaniae from the Oral Cavity of Immunocompetent Young Adults from the North of Mexico

O. Carolina Rojas, Cintia Amaral Montesino, Diego Carrión Álvarez, Soraya Mendoza-Olazarán, Alexandra M. Montoya, Rafael González-Álvarez

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The human oral cavity is normally colonized by microorganisms including bacteria, fungi, archaea, viruses and protozoa. The aim of this study was to determine the frequency of Candida spp., in de oral cavity in a group of medical students from the north of Mexico. Oral sample were obtained from 240 healthy students. The specimens were analyzed by traditional microbiology cultures and DNA sequencing. Candida spp., grew in Sabouraud dextrose agar from 57 samples and subsequently were isolated and phenotyped. The definitive identification to the species level was done by sequence analysis. The yeasts were identified as follow: 28 Clavispora lusitaniae, 20 Candida albicans, 5 Pichia kudriavzevii and 4 Candida parapsilosis. Our findings revealed that 23.75% of the healthy population has a potential pathogen in their mouth. Surprisingly, C. albicans is not the predominant yeast; instead other non-Candida species are the colonizers of the oral cavity as normal microbiota. C. lusitaniae is considered an emerging opportunistic pathogen in immunosuppressive patients. This paper pretends to highlight the presence of this yeast in the oral cavity in immunocompetent young adults.
Original languageEnglish
JournalIndian Journal of Microbiology
Issue number0046-8991
Publication statusPublished - 13 Nov 2023

Bibliographical note

Publisher Copyright:
© 2023, Association of Microbiologists of India.

All Science Journal Classification (ASJC) codes

  • Microbiology


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