Cited by 250Antifungal resistance and susceptibilityFungal and yeast genetics researchFungal Infections and Studies

Candida albicans-Epithelial Interactions: Dissecting the Roles of Active Penetration, Induced Endocytosis and Host Factors on the Infection Process

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Wächtler, Betty, Citiulo, Francesco, Jablonowski, Nadja, Förster, Stephanie, Dalle, Frederic, Schaller, Martin, Wilson, Duncan, Hube, Bernhard·2012·PLoS ONE

Abstract

Candida albicans frequently causes superficial infections by invading and damaging epithelial cells, but may also cause systemic infections by penetrating through epithelial barriers. C. albicans is a remarkable pathogen because it can invade epithelial cells via two distinct mechanisms: induced endocytosis, analogous to facultative intracellular enteropathogenic bacteria, and active penetration, similar to plant pathogenic fungi. Here we investigated the contributions of the two invasion routes of C. albicans to epithelial invasion. Using selective cellular inhibition approaches and differential fluorescence microscopy, we demonstrate that induced endocytosis contributes considerably to the early time points of invasion, while active penetration represents the dominant epithelial invasion route. Although induced endocytosis depends mainly on Als3-E-cadherin interactions, we observed E-cadherin independent induced endocytosis. Finally, we provide evidence of a protective role for serum factors in oral infection: human serum strongly inhibited C. albicans adhesion to, invasion and damage of oral epithelial cells.

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Crossref · 10.1371/journal.pone.0036952

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  • Als3 is required for both induced endocytosis and active penetration.

    “This result is in contrast to what has been found for Als3, which is required for both induced endocytosis and active penetration [29], and provides a likely explanation for why Hyr1 is dispensable for induction of epithelial cell damage.”

    From Candida albicans stimulates formation of a multi-receptor complex that mediates epithelial cell invasion during oropharyngeal infection (2023) · cites this paper as [29]

    The Results section, under “Relative Contributions of Active Penetration, Induced Endocytosis and C. Albicans Invasins to Epithelial Invasion,” concludes that Als3 plays major roles in both processes. But deletion reduced rather than eliminated invasion under either condition, and killed als3Δ hyphae still underwent some induced endocytosis. The paper supports Als3 as important to both routes, not strictly required for either. (LLM, conf=0.88)

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Research works printed but not linked: 4

  1. [2]Odds FC 1988 Ecology and epidemiology of candidiasis. Baltimore University Park Press
  2. [3]Ruhnke M 2002 Skin and mucous membrane infections. Washington DC American Society for Microbiology Press 307 325
  3. [8]Zakikhany K Naglik JR Schmidt-Westhausen A Holland G Schaller M 2007 In vivo transcript profiling of Candida albicans identifies a gene essential for interepithelial dissemination. Cell Microbiol 9 2938 2954 17645752
  4. [42]Spreghini E Gismondi A Piccoli M Santoni G 1999 Evidence for alphavbeta3 and alphavbeta5 integrin-like vitronectin (VN) receptors in Candida albicans and their involvement in yeast cell adhesion to VN. J Infect Dis 180 156 166 10353874

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Authors
Wächtler, B., Citiulo, F., Jablonowski, N., Förster, S., Dalle, F., Schaller, M., Wilson, D., & Hube, B.
Affiliations
  • Leibniz-Institut für Naturstoff-Forschung und Infektionsbiologie e. V. - Hans-Knöll-Institut (HKI) (DE)
  • University of Tübingen (DE)
Corresponding author
Hube, Bernhard
Venue
PLoS ONE
Published
2012-05-14
Volume
7
Issue
5
Pages
e36952
ISSN
1932-6203 (ISSN-L)
OpenAlex
W1995203663
Cited by
250
References
45
Citations by year
2026: 11 · 2025: 19 · 2024: 19 · 2023: 29 · 2022: 23 · 2021: 25 · 2020: 21 · 2019: 15 · 2018: 19 · 2017: 17 · 2016: 12 · 2015: 11 · 2014: 15 · 2013: 10 · 2012: 4
FWCI
8.87
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Aberdeen University Research Archive (Aberdeen University) (submittedVersion)
  • HAL (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
Funders
  • Deutsche Forschungsgemeinschaft (Hu528/10, SPP1160)
  • Bundesministerium für Bildung und Forschung (0315901B)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Health Sciences › Medicine › Epidemiology › Fungal Infections and Studies
Keywords
Candida albicans, epithelial invasion, ALS3, E-cadherin, oral epithelial cells, serum factors, fungal adhesion, host-pathogen interaction, oral candidiasis
MeSH terms
Blood Physiological Phenomena, Candida albicans, Candidiasis, Oral, Cell Adhesion, Cell Line, Endocytosis, Epithelial Cells, Fungal Proteins, Humans, Mouth Mucosa, Cadherins, Microscopy, Electron, Transmission, Host-Pathogen Interactions

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