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Light-Controlled Fermentations for Microbial Chemical and Protein Production
Published on: March 22, 2022
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Optogenetic switches for light-controlled gene expression in yeast.
Francisco Salinas1,2, Vicente Rojas1,2, Verónica Delgado1,2
1Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Casilla 114-D, Santiago, Chile.
Applied Microbiology and Biotechnology
|February 18, 2017
Summary
Optogenetic switches use light to control biological processes like gene expression in yeast. This technology offers precise, cost-effective control for industrial applications.
Area of Science:
- Biotechnology
- Molecular Biology
- Synthetic Biology
Background:
- Light is a powerful tool for controlling biological processes with precision.
- Optogenetic switches, utilizing photoreceptors, enable light-regulated gene expression, protein localization, and interactions.
- Existing optogenetic tools use red, blue, and UV-B light photoreceptors across various biological systems.
Purpose of the Study:
- To review optogenetic switches for light-controlled gene expression, particularly in Saccharomyces cerevisiae.
- To highlight advantages over chemical inducers, including cost-effectiveness and reduced chemical traces.
- To explore applications in industrial yeast strains and the potential of fungal photoreceptors.
Main Methods:
- Review of existing literature on optogenetic switches.
- Analysis of applications in Saccharomyces cerevisiae for gene expression control.
- Discussion of implementation in industrial yeast and development of novel switches.
Main Results:
- Optogenetic switches provide precise, cost-effective, and trace-free control of gene expression.
- These tools enhance the production of valuable metabolites and heterologous proteins.
- Potential exists for optimizing optogenetics in industrial yeast and discovering new fungal photoreceptors.
Conclusions:
- Optogenetic switches offer significant advantages for gene expression control in yeast, surpassing traditional methods.
- The technology holds promise for industrial biotechnology, with potential for optimization in engineered yeast strains.
- Further development, including the use of fungal photoreceptors, can lead to novel optogenetic tools for broader applications.
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