Yeast transformation by the LiAc/SS carrier DNA/PEG method

Area of Science:

• Molecular Biology
• Yeast Genetics

Background:

• Efficient yeast transformation is fundamental for molecular biology research.
• Key techniques like the yeast two-hybrid system and genome modification rely on robust transformation methods.

Purpose of the Study:

• To provide a comprehensive set of protocols for diverse yeast transformation applications.
• To address varying needs from quick, low-yield transformations to high-efficiency library screening.

Main Methods:

• Development of a quick and easy transformation protocol for low-throughput needs.
• A high-efficiency protocol designed for small DNA amounts, scalable for library construction.
• Inclusion of a microtiter plate format protocol and a method for producing frozen competent yeast cells.

Main Results:

• Successful implementation of multiple yeast transformation protocols catering to different experimental scales.
• Demonstration of high transformation efficiency, even with limited DNA quantities.
• Provision of a convenient protocol for cryopreserved competent yeast cells.

Conclusions:

• The presented protocols offer flexibility and efficiency for a wide range of yeast molecular biology applications.
• These methods facilitate advancements in yeast genetics, enabling easier genome modification and high-throughput screening.