Optimising Electroporation Protocols for Trypanosoma brucei Using the Amaxa 4D- Nucleofector System

Area of Science:

• Parasitology
• Molecular Biology
• Genetics

Background:

• Stable transfection of Trypanosoma brucei is crucial for genetic studies.
• Previous methods using the Amaxa Nucleofector II system improved efficiency.
• The 4D Nucleofector platform's potential for T. brucei remains unevaluated.

Purpose of the Study:

• To benchmark 4D Nucleofector programs for optimal T. brucei transfection.
• To assess transfection efficiency, cell viability, and reproducibility.
• To establish a standardized framework for genetic manipulation of T. brucei.

Main Methods:

• Benchmarking various 4D Nucleofector programs using a CRISPR/Cas9 expressing cell line.
• Evaluating stable transfection efficiencies, cell viability, and reproducibility.
• Utilizing the 16-well Nucleocuvette™ Strip format for high-throughput processing.

Main Results:

• Identified optimal 4D Nucleofector programs for enhanced transfection efficiency and cell viability in T. brucei bloodstream forms.
• Demonstrated the advantages of the 16-well Nucleocuvette™ Strip for reduced reagent use and increased throughput.
• Achieved robust and reproducible stable transfection across different experimental conditions.

Conclusions:

• The 4D Nucleofector platform, with optimized parameters, significantly advances T. brucei genetic manipulation.
• The 16-well format offers a scalable and efficient solution for high-throughput transfection studies.
• This standardized framework facilitates future functional genetic studies in T. brucei.