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Bio-energetics Investigation of Candida albicans Using Real-time Extracellular Flux Analysis
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Candida albicans iron acquisition within the host

Ricardo S Almeida1, Duncan Wilson, Bernhard Hube

  • 1Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil.

FEMS Yeast Research
|October 1, 2009
PubMed

Insights

Candida albicans acquires essential iron from the host using specialized factors and pathways. This review details how the opportunistic pathogen exploits host iron sources, impacting its pathogenicity.

Area of Science:

  • Medical Mycology
  • Microbial Pathogenesis
  • Nutritional Immunology

Background:

  • Candida albicans is a commensal and opportunistic fungal pathogen.
  • Iron is essential for fungal survival, persistence, and virulence.
  • The host environment is typically iron-limited, necessitating iron acquisition mechanisms.

Purpose of the Study:

  • To review the strategies employed by Candida albicans for iron acquisition from host reservoirs.
  • To elucidate the impact of these iron acquisition strategies on C. albicans pathogenicity.
  • To compare C. albicans iron acquisition mechanisms with those of other pathogenic microorganisms.

Main Methods:

  • Literature review of known and proposed iron acquisition strategies.
  • Analysis of C. albicans' interaction with host iron-binding proteins.
  • Comparative analysis of iron acquisition mechanisms across different pathogens.

Main Results:

  • C. albicans utilizes diverse factors and pathways to acquire iron.
  • Key host iron sources include hemoglobin, transferrin, lactoferrin, and ferritin.
  • Exploitation of host iron is crucial for C. albicans' virulence and pathogenicity.

Conclusions:

  • Candida albicans possesses sophisticated mechanisms to overcome host iron limitation.
  • Understanding these strategies is vital for developing novel antifungal therapies.
  • Iron acquisition is a critical determinant of C. albicans' success as a pathogen.

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