Cited by 69Fungal Infections and StudiesAntifungal resistance and susceptibilityBacterial biofilms and quorum sensing

Adhesion of Histoplasma capsulatum to pneumocytes and biofilm formation on an abiotic surface

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Pitangui, N.S., Sardi, J.C.O., Silva, J.F., Benaducci, T., Moraes da Silva, R.A., Rodríguez-Arellanes, G., Taylor, M.L., Mendes-Giannini, M.J.S. +1 more·2012·Biofouling

Abstract

The pathogenic fungus, Histoplasma capsulatum, causes the respiratory and systemic disease 'histoplasmosis'. This disease is primarily acquired via inhalation of aerosolized microconidia or hyphal fragments of H. capsulatum. Evolution of this respiratory disease depends on the ability of H. capsulatum yeasts to survive and replicate within alveolar macrophages. It is known that adhesion to host cells is the first step in colonization and biofilm formation. Some microorganisms become attached to biological and non-biological surfaces due to the formation of biofilms. Based on the importance of biofilms and their persistence on host tissues and cell surfaces, the present study was designed to investigate biofilm formation by H. capsulatum yeasts, as well as their ability to adhere to pneumocyte cells. H. capsulatum biofilm assays were performed in vitro using two different clinical strains of the fungus and biofilms were characterized using scanning electron microscopy. The biofilms were measured using a 2,3-bis(2-methoxy-4-nitro-5-sulfophenyl)-5-[(phenylamino)carbonyl]-2H-tetrazolium-hydroxide (XTT) reduction assay. The results showed that both the H. capsulatum strains tested were very efficient at adhering to host cells and forming biofilm. Therefore, this is a possible survival strategy adopted by this fungus.

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Crossref · 10.1080/08927014.2012.703659

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  • Histoplasma capsulatum may exist in biofilms in vivo.

    “suggesting that H. capsulatum may exist in biofilms in vivo (154).”

    From <i>Candida albicans</i> Biofilms and Human Disease (2015) · cites this paper as [154]

  • Histoplasma capsulatum has been reported to form biofilms consisting of dense clusters of yeast-form cells in vitro.

    “There is at least one report of H. capsulatum forming biofilms consisting of dense clusters of yeast-form cells in vitro”

    From <i>Candida albicans</i> Biofilms and Human Disease (2015) · cites this paper as [154]

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Authors
Pitangui, N. S., Sardi, J. C. O., Silva, J. F., Benaducci, T., Moraes da Silva, R. A., Rodríguez-Arellanes, G., Taylor, M. L., Mendes-Giannini, M. J. S., & Fusco-Almeida, A. M.
Affiliations
  • a Department of Clinical Analysis, Laboratory of Clinical Mycology, Faculty of Pharmaceutical Sciences , UNESP – Univ Estadual Paulista , Araraquara , SP 14801-902 , Brazil
  • Universidade Estadual Paulista (Unesp) (BR)
  • Universidad Nacional Autónoma de México (MX)
Venue
Biofouling
Published
2012-07-12
Volume
28
Issue
7
Pages
711-718
ISSN
  • 0892-7014 (ISSN-L)
  • 1029-2454
OpenAlex
W1986557370
Cited by
69
References
55
Citations by year
2026: 1 · 2025: 5 · 2024: 2 · 2023: 7 · 2022: 4 · 2021: 7 · 2020: 6 · 2019: 4 · 2018: 3 · 2017: 7 · 2016: 7 · 2015: 8 · 2014: 3 · 2013: 4
FWCI
3.58
Type
journal article
Language
en
Open access
Locations
  • Biofouling (publishedVersion)
  • PubMed (publishedVersion)
  • Acervo Digital da Universidade Estadual Paulista (Universidade Estadual Paulista) (submittedVersion)
  • UNESP Institutional Repository (São Paulo State University) (submittedVersion)
Funders
  • Universidade de São Paulo
  • Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México
Topics
  • Health Sciences › Medicine › Epidemiology › Fungal Infections and Studies
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bacterial biofilms and quorum sensing
Keywords
Histoplasma capsulatum, histoplasmosis, fungal adhesion, alveolar epithelial cells, biofilm formation, abiotic surfaces, host cell attachment, alveolar macrophages
MeSH terms
Cell Adhesion, Cell Line, Histoplasma, Histoplasmosis, Humans, Microscopy, Electron, Scanning, Tetrazolium Salts, Biofilms, Host-Pathogen Interactions, Alveolar Epithelial Cells

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