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Determination of Biofilm Initiation on Virus-infected Cells by Bacteria and Fungi
12:33

Determination of Biofilm Initiation on Virus-infected Cells by Bacteria and Fungi

Published on: July 6, 2016

[Adherence and invasion-two pathogenicity factors in bacterial and fungal pathogens]

F M Müller1, J Morschhäuser, G Köhler

  • 1Institut für Molekulare Infektionsbiologie, Universität Würzburg, Deutschland. fmmueller@mail.uni-wuerzburg.de

Mycoses
|December 11, 1999
PubMed

Insights

Microbial factors like adhesins and toxins cause infectious diseases. Research is exploring how these virulence factors and drug resistance mechanisms, particularly in Candida albicans, impact pathogen survival and host invasion.

Area of Science:

  • Microbiology
  • Molecular Biology
  • Mycology

Background:

  • Infectious diseases are caused by microbial pathogenicity factors including adhesins, toxins, and capsules.
  • Molecular-level studies are crucial for understanding organism pathogenicity.
  • Bacteriology distinguishes unspecific adherence from receptor-specific adhesins, while mycology highlights adhesins, aspartyl proteases, and phospholipases in host colonization and invasion.

Purpose of the Study:

  • To investigate the molecular mechanisms of microbial pathogenicity factors.
  • To understand the role of adhesins in bacterial and fungal pathogenesis.
  • To examine the mechanisms of antimicrobial drug resistance, focusing on antifungal resistance in Candida albicans.

Main Methods:

  • Molecular analysis of pathogenicity factors.
  • Distinguishing adherence mechanisms in bacteria.
  • Identifying genetic and molecular basis of drug resistance, including point mutations and efflux mechanisms.

Main Results:

  • Adhesins play a key role in microbial adherence and invasion of eukaryotic host cells.
  • Pathogenic yeasts utilize specific adhesins, aspartyl proteases, and phospholipases for host colonization.
  • Antifungal drug resistance in Candida albicans is associated with ERG11 gene mutations and efflux pumps.

Conclusions:

  • Virulence factors and resistance mechanisms are critical for infectious disease pathogenesis.
  • The interplay between virulence and resistance, and whether these are fitness factors for survival, requires further investigation.
  • Understanding these molecular factors is essential for developing new therapeutic strategies against infectious diseases.

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