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Non-conventional yeasts.

J F T Spencer1, A L Ragout de Spencer, C Laluce

  • 1PROIMI, San Miguel de Tucumán, Argentina. fspencer@proimi.edu.ar

Applied Microbiology and Biotechnology
|March 7, 2002
PubMed
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Yeast, initially known for baking and brewing, was later identified as Saccharomyces cerevisiae and Schizosaccharomyces pombe. This marked the beginning of the era of non-conventional yeasts, expanding our understanding of yeast diversity.

Area of Science:

  • Microbiology
  • Biotechnology
  • Food Science

Background:

  • Historically, yeast was recognized for its role in fermentation for bread, beer, and wine production.
  • Early scientific understanding identified Saccharomyces cerevisiae and Schizosaccharomyces pombe as key yeast species.
  • The discovery of additional yeast species marked a significant expansion in the field.

Purpose of the Study:

  • To provide a historical overview of yeast discovery and classification.
  • To highlight the transition from traditional uses to scientific identification.
  • To introduce the concept and emergence of non-conventional yeasts.

Main Methods:

  • Historical literature review.
  • Taxonomic classification of yeast species.

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  • Chronological analysis of yeast research.

    • Main Results:

    • Yeast's initial applications in food and beverage production preceded its scientific naming.
    • Saccharomyces cerevisiae and Schizosaccharomyces pombe were among the first scientifically characterized yeasts.
    • A rapid increase in the discovery of diverse yeast species occurred over time.

    Conclusions:

    • The study traces the evolution of yeast from an ancient fermenter to a subject of extensive scientific research.
    • The identification of numerous non-conventional yeasts has broadened the scope of yeast biology and applications.
    • This historical perspective underscores the growing importance of yeast research in various scientific domains.