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Related Experiment Videos

High-frequency phenotypic switching in Candida albicans

D R Soll1, B Morrow, T Srikantha

  • 1Department of Biological Sciences, University of Iowa, Iowa City 52242-1324.

Trends in Genetics : TIG
|February 1, 1993
PubMed
Summary

Most Candida albicans strains switch phenotypes, affecting multiple traits. Researchers recently identified the first phase-specific genes, revealing transcriptional regulation in this important fungal pathogen.

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Area of Science:

  • Microbiology
  • Molecular Biology
  • Mycology

Background:

  • Candida albicans exhibits high-frequency phenotypic switching.
  • This switching is pleiotropic, impacting various morphological and physiological characteristics.
  • Switching mechanisms in C. albicans are not fully understood.

Purpose of the Study:

  • To investigate the genetic basis of phenotypic switching in Candida albicans.
  • To identify genes regulated during specific phases of C. albicans switching.
  • To elucidate the regulatory mechanisms controlling C. albicans gene expression during switching.

Main Methods:

  • Phenotypic analysis of Candida albicans colony morphology.
  • Gene expression profiling to identify phase-specific genes.

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  • Transcriptional analysis to determine gene regulation.

    • Main Results:

    • Identified the first set of phase-specific genes in Candida albicans.
    • Demonstrated that these genes are regulated at the level of gene transcription.
    • Confirmed the pleiotropic nature of C. albicans switching.

    Conclusions:

    • Phenotypic switching in Candida albicans involves the transcriptional regulation of specific genes.
    • Understanding these phase-specific genes provides insight into the complex biology of C. albicans.
    • Further research into these genes could reveal new therapeutic targets.