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Related Concept Videos

Candidiasis01:20

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Candidiasis is a fungal infection caused by opportunistic species of Candida. It can affect various anatomical sites, including the skin, oral cavity, nails, and genitourinary tract. Among its forms, vaginal candidiasis is the most common type of mucosal infection. It typically results from the overgrowth of Candida albicans in the vaginal mucosa. Under normal conditions, C. albicans exists as a commensal organism within the vaginal microbiota, regulated by the dominance of lactobacilli, which...
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Candida dubliniensis: epidemiology and phenotypic methods for identification.

Erico Silva Loreto1, Liliane A Scheid, Cristina W Nogueira

  • 1Departamento de Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil.

Mycopathologia
|May 22, 2010
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Summary

Candida dubliniensis, a fungus similar to Candida albicans, is difficult to identify using standard lab methods. Molecular techniques are crucial for accurate identification and understanding its global prevalence, especially in HIV patients.

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Area of Science:

  • Medical Mycology
  • Clinical Microbiology
  • Infectious Diseases

Background:

  • Candida dubliniensis, identified in 1995, closely resembles Candida albicans, leading to frequent misidentification in clinical settings.
  • Phenotypic methods for differentiating C. dubliniensis from C. albicans are often unreliable due to their shared characteristics.
  • Accurate identification is essential as C. dubliniensis is increasingly recognized as an emerging pathogen.

Purpose of the Study:

  • To review and compare phenotypic methods for identifying Candida dubliniensis.
  • To discuss the genetic basis for differentiating C. dubliniensis and C. albicans.
  • To analyze the epidemiological impact and relevance of C. dubliniensis infections.

Main Methods:

  • Review of literature on phenotypic identification techniques for C. dubliniensis.
  • Discussion of molecular methods for specific and rapid identification.
  • Analysis of epidemiological data from various patient populations.

Main Results:

  • Phenotypic methods often fail to reliably distinguish C. dubliniensis from C. albicans.
  • Molecular methods offer superior specificity and speed for accurate identification.
  • C. dubliniensis is globally prevalent, particularly associated with oral carriage in HIV-infected individuals.

Conclusions:

  • Accurate identification of C. dubliniensis relies heavily on molecular techniques due to phenotypic similarities with C. albicans.
  • The epidemiological significance of C. dubliniensis is still under investigation, with variable data across different patient groups.
  • Further research is needed to establish a consensus on the clinical and epidemiological relevance of C. dubliniensis.