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Updated: May 28, 2026

Design and Implementation of an Automated Illuminating, Culturing, and Sampling System for Microbial Optogenetic Applications

Design and Implementation of an Automated Illuminating, Culturing, and Sampling System for Microbial Optogenetic Applications

Published on: February 19, 2017

Engineered Optogenetic Circuits In Yeast with Self-Sustained Outputs.

Cong Fan¹, Haofeng Chen¹, Yan Wang¹

¹State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, Fujian, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

|May 27, 2026

Summary

This summary is machine-generated.

Researchers developed optogenetic quorum-sensing (OptoQS) circuits for sustained gene expression using transient light. This system addresses industrial-scale light-shading challenges in metabolic engineering.

Keywords:

genetic circuits optogenetics quorum‐sensing surrogate messenger synthetic biology

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Reliably Engineering and Controlling Stable Optogenetic Gene Circuits in Mammalian Cells

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Published on: July 6, 2021

Area of Science:

Metabolic Engineering
Synthetic Biology
Optogenetics

Background:

Optoswitches offer tunable and reversible control for metabolic engineering.
Industrial-scale applications face challenges with light-shading effects.

Purpose of the Study:

To develop optogenetic quorum-sensing (OptoQS) circuits for sustained, population-level gene expression via transient light stimulation.
To overcome limitations of light penetration in large-scale cultures.

Main Methods:

Reprogramming the pheromone-responsive G-protein coupled receptor (GPCR) signaling cascade in Saccharomyces cerevisiae.
Utilizing α-factor accumulation as a recorded signal from transient light inputs.
Employing signal diffusion for population-wide transmission.

Main Results:

Successfully engineered OptoQS circuits to record transient light inputs.
Demonstrated sustained gene expression at the population level.
Applied OptoQS for metabolic regulation of 3-hydroxypropionate biosynthesis.

Conclusions:

OptoQS circuits enable sustained gene expression and metabolic regulation using transient light.
The flexible design can be adapted to record other transient physical stimuli.
This approach offers a scalable solution for optogenetic control in metabolic engineering.