Cited by 21Genetics, Aging, and Longevity in Model OrganismsFungal and yeast genetics researchAntifungal resistance and susceptibility

Replicative Aging in Pathogenic Fungi

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Bhattacharya, Somanon, Bouklas, Tejas, Fries, Bettina C.·2020·Journal of Fungi

Abstract

Candida albicans, Candida auris, Candida glabrata, and Cryptococcus neoformans are pathogenic yeasts which can cause systemic infections in immune-compromised as well as immune-competent individuals. These yeasts undergo replicative aging analogous to a process first described in the nonpathogenic yeast Saccharomyces cerevisiae. The hallmark of replicative aging is the asymmetric cell division of mother yeast cells that leads to the production of a phenotypically distinct daughter cell. Several techniques to study aging that have been pioneered in S. cerevisiae have been adapted to study aging in other pathogenic yeasts. The studies indicate that aging is relevant for virulence in pathogenic fungi. As the mother yeast cell progressively ages, every ensuing asymmetric cell division leads to striking phenotypic changes, which results in increased antifungal and antiphagocytic resistance. This review summarizes the various techniques that are used to study replicative aging in pathogenic fungi along with their limitations. Additionally, the review summarizes some key phenotypic variations that have been identified and are associated with changes in virulence or resistance and thus promote persistence of older cells.

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  • Replicative ageing in many fungal pathogens leads to significant changes that affect fungal resistance to phagocytic clearance and antifungal therapy.

    “Several studies showed that replicative ageing in many fungal pathogens leads to significant changes that affect the fungal resistance to phagocytic clearance and antifungal therapy [75].”
  • Old cells emerge because of neutrophil pressure in the environment that favours killing of young fungal cells and promotion of persistence of old cells.

    “The old cells only emerge because of neutrophil pressure in the environment that favour the killing of young fungal cells and the promotion of the persistence of old cells [75].”

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Authors
Bhattacharya, S., Bouklas, T., & Fries, B. C.
Affiliations
  • Stony Brook University (US)
  • SUNY Old Westbury (US)
  • Northport VA Medical Center (US)
Corresponding author
Bhattacharya, Somanon
Venue
Journal of Fungi
Publisher
MDPI AG
Published
2020-12-25
Volume
7
Issue
1
Pages
6
ISSN
2309-608X (ISSN-L)
OpenAlex
W3114181470
Cited by
20
References
69
Citations by year
2026: 3 · 2025: 1 · 2024: 3 · 2023: 2 · 2022: 7 · 2021: 4
FWCI
0.41
Type
journal article
Language
en
Open access
Locations
  • Journal of Fungi (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
National Instititues of Health (1R01AI127704- 01A1)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
Keywords
replicative senescence, pathogenic yeasts, Candida albicans, Candida auris, Candida glabrata, Cryptococcus neoformans, asymmetric cell division, mother-daughter cell asymmetry, virulence, antifungal resistance, immune evasion

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