Sclerotinia sclerotiorum Protoplast Preparation and Transformation

Chi Lan1, Lulu Qiao1,2, Dongdong Niu1

  • 1Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, and Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing 210095, China.

Bio-Protocol
|February 15, 2023
PubMed

Insights

Researchers developed a new method to genetically modify Sclerotinia sclerotiorum, the fungus causing white mold disease. This improved transformation system aids in studying fungal genes and developing control strategies.

Area of Science:

  • Plant Pathology
  • Molecular Mycology
  • Agricultural Science

Background:

  • Sclerotinia sclerotiorum is a devastating plant pathogen responsible for white mold disease, causing significant global crop losses.
  • Effector proteins encoded by numerous genes are critical for S. sclerotiorum's virulence and host interaction.
  • Understanding effector protein function is crucial for developing effective disease management strategies.

Purpose of the Study:

  • To establish a robust and efficient genetic transformation system for Sclerotinia sclerotiorum.
  • To facilitate the functional analysis of genes, particularly those encoding effector proteins, involved in S. sclerotiorum pathogenesis.
  • To generate knockout strains for detailed investigation of gene roles in fungal development and virulence.

Main Methods:

  • Development of a modified protocol for efficient protoplast isolation from S. sclerotiorum.
  • Optimization of transformation procedures using the isolated protoplasts.
  • Generation of targeted gene knockout strains through the established transformation system.

Main Results:

  • Successfully established an improved protocol for obtaining high-quality protoplasts from S. sclerotiorum.
  • Demonstrated the efficiency of the modified protocol in generating genetically transformed strains.
  • Successfully created knockout mutants, validating the utility of the enhanced transformation system.

Conclusions:

  • The developed modified protocol significantly complements and enhances the existing transformation system for S. sclerotiorum.
  • This improved system provides a valuable tool for researchers to explore gene function and understand the molecular basis of white mold pathogenesis.
  • The ability to generate knockout strains will accelerate research into S. sclerotiorum virulence factors and aid in the development of novel control measures.