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Updated: Jul 16, 2025
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Whole Genome Sequencing of Candida glabrata for Detection of Markers of Antifungal Drug Resistance
Published on: December 28, 2017
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Candida massiliensis sp. nov. Isolated from a Clinical Sample
Jihane Kabtani1, Fatima Boulanouar1, Muriel Militello1,2
1IHU Méditerranée Infection, 13005, Marseille, France.
Mycopathologia
|September 20, 2023
Summary
A new yeast species, Candida massiliensis, was identified from human sputum. This discovery expands our understanding of fungal pathogens and their characteristics.
Area of Science:
- Medical Mycology
- Clinical Microbiology
- Yeast Taxonomy
Background:
- Candida species are typically non-pathogenic yeasts.
- Increasing reports of non-albicans Candida infections, especially in immunocompromised individuals.
- Need for characterization of emerging fungal species.
Purpose of the Study:
- To describe and characterize a novel Candida species, Candida massiliensis (PMML0037), isolated from human sputum.
- To genetically and phenotypically differentiate this new species within the Metschnikowia clade.
Main Methods:
- Multilocus sequence analysis of rRNA Internal Transcribed Spacers, 28S rRNA D1/D2 domains, Translation Elongation Factor 1-α, and β-tubulin2 genes.
- Phenotypic characterization including scanning electron microscopy, Biolog system for physiological tests, and Energy-Dispersive X-ray Spectroscopy.
- In vitro antifungal susceptibility testing using the E-test™ method.
Main Results:
- Multilocus analysis confirmed Candida massiliensis as a distinct new species within the Metschnikowia clade.
- Phenotypic analysis revealed unique morphological and chemical characteristics compared to related species.
- Antifungal susceptibility profile was established for clinical relevance.
Conclusions:
- Candida massiliensis represents a novel species within the Metschnikowia clade.
- The study provides a comprehensive genetic and phenotypic profile of this new yeast.
- Understanding new species like C. massiliensis is crucial for managing emerging fungal infections.
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