Related Experiment Video
Updated: Nov 9, 2025

10:10
Genetic Engineering of an Unconventional Yeast for Renewable Biofuel and Biochemical Production
Published on: September 20, 2016
14.6K
Genome Editing in Y. lipolytica Using TALENs
Coraline Rigouin1, Christian Croux1, Gwendoline Dubois1
1LISBP, Université de Toulouse, CNRS, INRA, INSA, Toulouse, France.
Methods in Molecular Biology (Clifton, N.J.)
|April 13, 2021
Summary
Transcription Activator-Like EndoNuclease (TALENs) enable precise genome editing in the yeast Yarrowia lipolytica. This study details a method for gene knockout and point mutation introduction using TALENs.
Area of Science:
- Molecular Biology
- Genetics
- Biotechnology
Background:
- Transcription Activator-Like EndoNuclease (TALENs) are engineered nucleases for targeted DNA modification.
- Gene editing in the oleaginous yeast Yarrowia lipolytica is crucial for metabolic engineering.
- TALENs offer precise genome manipulation through double-strand breaks and subsequent DNA repair pathways.
Purpose of the Study:
- To establish a robust protocol for utilizing TALENs in Yarrowia lipolytica.
- To demonstrate the application of TALENs for gene knockout and point mutation introduction in Y. lipolytica.
- To provide a comprehensive guide for researchers working with Y. lipolytica genome editing.
Main Methods:
- Design and construction of TALENs specific to target genes in Y. lipolytica.
- Transformation of Y. lipolytica with TALEN constructs.
- Utilizing Non-homologous End Joining (NHEJ) and Homology Recombination (HR) repair pathways for gene modification.
- Screening methods for identifying successful gene edits.
Main Results:
- Successful implementation of TALENs for targeted gene knockout in Y. lipolytica.
- Demonstration of TALENs for in vivo introduction of point mutations.
- Detailed description of materials, transformation, and screening procedures.
Conclusions:
- TALENs provide an effective tool for precise genome editing in Yarrowia lipolytica.
- The presented step-by-step method facilitates gene functional studies and strain engineering in Y. lipolytica.
- This protocol enhances the genetic manipulation capabilities for Y. lipolytica research and industrial applications.

