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[Phase transition in dimorphic fungi].

Iu A Kumzerov1, L K Panina

  • 1Ioffe Physicotechnical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021 Russia.

Biofizika
|January 13, 2001
PubMed
Summary

High metal ion concentrations trigger a phase transition in dimorphic fungi, shifting them from mycelial to fungal growth. This process, observed in Phaeococcomyces de Hoog, mirrors common phase transition behaviors in non-equilibrium systems.

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Area of Science:

  • Mycology
  • Biophysics
  • Cell Biology

Context:

  • Dimorphic fungi exhibit distinct growth phases (mycelial and yeast).
  • Environmental factors, such as transition metal ions, can induce morphological changes.
  • Understanding these transitions is crucial for fungal biology and biotechnology.

Purpose:

  • To investigate the morphogenetic transition from mycelial to fungal growth in Phaeococcomyces de Hoog.
  • To analyze this transition using the framework of phase transition theory.
  • To determine if external stimuli can induce phase transition-like behaviors in these fungi.

Summary:

  • The study examined the transition from mycelial to fungal growth in Phaeococcomyces de Hoog (strain Ch49) induced by high transition metal ion concentrations.
  • The research applied phase transition theory to understand this morphogenetic process.
  • Results indicated that despite being a non-equilibrium system, the fungal growth transition exhibits characteristics of a common phase transition.

Impact:

  • Provides a novel biophysical perspective on fungal morphogenesis.
  • Suggests that phase transition theory can be applied to biological systems far from equilibrium.
  • Offers insights into controlling fungal morphology through environmental manipulation.

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