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Related Experiment Videos

Typing fungal isolates: molecular methods and computerized analysis.

Aitor Rementeria1, Ana Belén Vivanco, Ainara Cadaval

  • 1Facultad de Farmacia, Universidad del País Vasco, Lejona, Spain.

Methods in Molecular Biology (Clifton, N.J.)
|May 25, 2004
PubMed
Summary

Fungal infections are rising, necessitating molecular typing for medical and food industries. Genotyping methods like PCR and DNA restriction analysis are crucial for identifying fungal strains, tracking infections, and selecting optimal strains for food production.

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Area of Science:

  • Mycology
  • Molecular Biology
  • Infectious Diseases

Background:

  • Fungal infections (mycoses) are increasing globally due to longer life expectancy, advanced medical procedures, and immunocompromising conditions like AIDS.
  • Nosocomial fungal outbreaks require typing to identify sources, transmission routes, and host susceptibility.
  • The food industry utilizes fungal strain typing for quality control and selecting strains for food production, such as Saccharomyces cerevisiae in winemaking.

Purpose of the Study:

  • To review common genotyping methods for fungal strain delineation.
  • To highlight the importance of fungal typing in clinical and industrial settings.
  • To discuss electrophoretic and DNA-based methods for fungal characterization.

Main Methods:

  • Review of molecular genotyping techniques for fungi.

Related Experiment Videos

  • Description of polymerase chain reaction (PCR)-based methods.
  • Explanation of DNA isolation, restriction endonuclease digestion, and pulsed-field gel electrophoresis (PFGE).

    • Main Results:

    • Electrophoretic methods comparing DNA band profiles are widely used.
    • Methods involving DNA isolation, restriction, and PFGE are specific to eukaryotic organisms.
    • Sophisticated techniques combining restriction and hybridization exist but are less common.

    Conclusions:

    • Molecular genotyping is essential for managing fungal infections and optimizing industrial fungal applications.
    • PCR and DNA restriction-based methods, particularly PFGE, are key tools for fungal strain typing.
    • Continued development of genotyping techniques is important for both clinical and food industry applications.