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Researchers developed a new microfluidic method to visualize and quantify liquid movement along single fungal hyphae. This technique reveals bidirectional and dynamic liquid transport, crucial for understanding ecosystem functions.

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Area of Science:

  • Mycology
  • Microbiology
  • Ecosystem Science

Background:

  • Filamentous fungi and fungal-like organisms are vital for ecosystem functions.
  • Liquid transport within mycelial networks is known but difficult to study at the cellular level.
  • Existing tools lack the resolution to investigate liquid movement along single hyphae.

Purpose of the Study:

  • To develop a novel method for visualizing and quantifying liquid movement along fungal hyphae.
  • To enable cellular-level investigation of liquid transport dynamics in fungi.
  • To provide a tool for studying the phenomenon of fungal highways.

Main Methods:

  • Modification of a fungal-fungal interaction microfluidic device to maintain unsaturated conditions.
  • Utilizing fluorescein-containing agar medium to track liquid movement.
  • Employing fluorescence microscopy for visualization and quantification of liquid transport.

Main Results:

  • Demonstrated a novel methodology for visualizing hyphal liquid movement over various timescales.
  • Successfully quantified extracellular liquid movement along hyphae at the cellular level.
  • Observed that liquid movement along hyphae is bidirectional and highly dynamic.

Conclusions:

  • The developed microfluidic method is suitable for studying liquid movement in fungal hyphae.
  • This technique uncovers a potential link between liquid movement dynamics and hyphal growth.
  • The method is a significant step towards understanding fungal highways and their ecological roles.