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Published on: July 19, 2021
Old and new pathogenic Nakaseomyces species: epidemiology, biology, identification, pathogenicity and antifungal
A Angoulvant1, J Guitard2, C Hennequin2
1Laboratoire de Parasitologie-Mycologie, University Hospital Bicêtre, APHP, 94275 Le Kremlin-Bicêtre, France CNRS UMR 8621, Génétique Quantitative et Évolution, Univ Paris-Sud, Le Moulon, 91190 Gif-sur-Yvette, France adela.angoulvant@gmail.com.
Abstract:
During the previous decades, as the number of immunocompromised patients, the average age of Western populations and the widespread use of indwelling medical devices have increased concomitantly, so has the incidence of infections caused by Candida species. Candida albicans remains the most frequently isolated agent of candidiasis. However, C. glabrata now accounts for a substantial part of clinical isolates, ranking number two among the etiologic agents of either superficial or invasive candidiasis in North America and Europe. Along with C. glabrata and belonging to the Nakaseomyces clade, two new species, C. nivariensis and C bracarensis have recently been described as emerging pathogens. This review provides information on the current state of knowledge on the epidemiology, biology, identification, pathogenicity and antifungal resistance of C. glabrata, C. nivariensis and C. bracarensis.
Insights
Candida glabrata, Candida nivariensis, and Candida bracarensis are emerging fungal pathogens. This review details their epidemiology, biology, identification, pathogenicity, and antifungal resistance.
Area of Science:
- Medical Mycology
- Infectious Diseases
- Microbiology
Background:
- Rising incidence of Candida infections due to immunocompromised patients, aging populations, and medical devices.
- Candida albicans is the most common cause, but Candida glabrata is now the second most frequent agent.
- Emergence of new Candida species, C. nivariensis and C. bracarensis, within the Nakaseomyces clade.
Purpose of the Study:
- To review the current knowledge on three emerging Candida species: C. glabrata, C. nivariensis, and C. bracarensis.
- To cover their epidemiology, biology, identification, pathogenicity, and antifungal resistance.
- To provide a comprehensive resource for understanding these significant pathogens.
Main Methods:
- Literature review synthesizing current research on the specified Candida species.
- Analysis of epidemiological data, biological characteristics, and clinical relevance.
- Compilation of information on identification techniques, pathogenicity factors, and antifungal susceptibility.
Main Results:
- C. glabrata is a significant cause of candidiasis in North America and Europe.
- C. nivariensis and C. bracarensis are newly described emerging pathogens.
- Detailed insights into the characteristics and resistance patterns of these three species are presented.
Conclusions:
- C. glabrata, C. nivariensis, and C. bracarensis represent a growing threat in clinical settings.
- Understanding their unique attributes is crucial for effective diagnosis and treatment.
- Further research is needed to combat the increasing prevalence of these Candida species.
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