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Related Experiment Videos

Environmentally controlled dimorphic cycle in a fission yeast

M Sipiczki1,2,3, K Takeo2, M Yamaguchi2

  • 1Department of GeneticsP.O. Box 56, H-4010 Debrecen, Hungary.

Microbiology (Reading, England)
|June 5, 1998
PubMed
Summary

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Schiz. japonicus var. japonicus exhibits both yeast and mycelial phases, switching to unipolar growth. Environmental factors regulate these morphological transitions, making it a model for cell polarity studies.

Area of Science:

  • Microbiology
  • Cell Biology
  • Mycology

Background:

  • Fission yeast Schizosaccharomyces pombe is a model for cell polarity.
  • Schiz. japonicus var. japonicus exhibits distinct growth patterns.

Purpose of the Study:

  • Investigate morphological transitions in Schiz. japonicus var. japonicus.
  • Explore cell polarity and morphogenesis in this yeast species.

Main Methods:

  • Cultivation of Schiz. japonicus var. japonicus on solid media.
  • Observation of yeast and mycelial growth phases.
  • Analysis of morphological transitions under varying conditions.

Main Results:

  • Schiz. japonicus var. japonicus exhibits both yeast and mycelial phases.

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  • Mycelial form shows unipolar growth via tip elongation.
  • Yeast-to-mycelium transition is regulated by nutritional gradients and involves vacuolation.
  • Mycelium can form arthroconidia or revert to yeast phase.

    • Conclusions:

    • Schiz. japonicus var. japonicus demonstrates environmentally controlled morphological plasticity.
    • This yeast serves as a valuable model for studying cell polarity and morphogenesis.
    • The switch between growth forms is influenced by environmental cues.