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Isolation and Selection of Entomopathogenic Fungi from Soil Samples and Evaluation of Fungal Virulence against Insect Pests
Published on: September 28, 2021
Water- and air-distributed conidia differ in sterol content and cytoplasmic microviscosity
M R Van Leeuwen1, T M Van Doorn, E A Golovina
1Applied and Industrial Mycology, CBS/Fungal Biodiversity Centre, Uppsalalaan 8, 3584 CT Utrecht, the Netherlands.
Applied and Environmental Microbiology
|November 10, 2009
Summary
Airborne and waterborne fungal spores exhibit distinct cellular compositions, including cytoplasmic viscosity and ergosterol levels. These differences influence spore survival and are key to controlling fungal propagules in industrial settings.
Area of Science:
- Mycology
- Environmental Microbiology
- Biochemistry
Background:
- Fungal spores are ubiquitous propagules crucial for reproduction and dispersal.
- Understanding spore characteristics is vital for managing fungal contamination in various environments.
- Industrial settings face challenges from fungal propagules impacting product quality and safety.
Purpose of the Study:
- To compare airborne and waterborne fungal spores based on key cellular parameters.
- To investigate the relationship between cellular composition and spore survival rates.
- To provide insights into the eradication of industrially relevant fungal propagules.
Main Methods:
- Comparative analysis of cytoplasmic viscosity in airborne and waterborne fungal spores.
- Quantification of ergosterol content in different spore types.
- Correlation analysis between cellular parameters and observed spore survival.
Main Results:
- Significant differences in cytoplasmic viscosity were observed between airborne and waterborne spores.
- Ergosterol presence and levels varied markedly between the two spore types.
- Cellular composition parameters showed a strong correlation with spore survival rates.
Conclusions:
- The mode of fungal spore dispersal influences critical cellular components like viscosity and ergosterol.
- Cellular composition is a determinant factor in fungal spore viability and survival.
- This research offers a basis for developing targeted strategies for fungal propagule eradication in industrial contexts.
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