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Synthetic Biology

Synthetic Biology

Synthetic biology is an interdisciplinary science that involves using principles from disciplines such as engineering, molecular biology, cell biology, and systems biology. It involves remodeling existing organisms from nature or constructing completely new synthetic organisms for applications such as protein or enzyme production, bioremediation, value-added macromolecule production, and the addition of desirable traits to crops, to name a few.
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Light-Controlled Fermentations for Microbial Chemical and Protein Production

Light-Controlled Fermentations for Microbial Chemical and Protein Production

Published on: March 22, 2022

Optogenetic tools for microbial synthetic biology.

Natalie Chia¹, Sang Yup Lee², Yaojun Tong¹

¹State Key Laboratory of Microbial Metabolism, Joint International Research Laboratory of Metabolic and Developmental Sciences, School of Life Sciences & Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Rd., Shanghai 200240, China.

Biotechnology Advances

|April 10, 2022

Summary

Optogenetics offers a precise, cost-effective, and eco-friendly alternative to chemical inducers for synthetic biology. This review explores non-opsin optogenetic tools for enhanced microbial gene expression control.

Keywords:

Gene expression control Light switch Metabolic engineering Microbe Optogenetics Synthetic biology

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Area of Science:

Synthetic biology
Optogenetics
Microbial systems

Background:

Chemical induction is standard for gene expression but faces limitations in cost and toxicity for industrial applications.
Optogenetics provides a precise, controllable, and sustainable alternative using light-sensitive biological modules.
Developing portable optogenetic tools is crucial for broader microbial synthetic biology applications.

Purpose of the Study:

To review non-opsin optogenetic systems for microbial synthetic biology.
To highlight advancements in optogenetic tool design and function.
To explore optogenetic strategies for overcoming synthetic biology challenges.

Main Methods:

Review of current literature on optogenetics in microbial systems.
Analysis of non-opsin optogenetic tool designs and functionalities.
Examination of optogenetic approaches for synthetic biology.

Main Results:

Optogenetics enables dynamic, spatiotemporal control of gene expression and protein activity via light.
Genetically encoded, re-programmable light-sensing modules offer flexibility across hosts.
Non-opsin systems present promising avenues for portable and versatile optogenetic tools.

Conclusions:

Optogenetics is a powerful, sustainable tool for microbial synthetic biology, surpassing chemical induction limitations.
Further development of portable optogenetic tools will expand their application scope in microbes.
Optogenetics provides innovative solutions for challenges in synthetic biology design and implementation.