Effective Use of Biosensors for High-throughput Library Screening for Metabolite Production

Overview

Journal J Ind Microbiol Biotechnol

Publisher Oxford University Press

Specialty Biotechnology

Date 2021 Aug 4

PMID 34347108

Citations 21

Authors

Jennifer A Kaczmarek

Kristala L J Prather

Affiliations

Soon will be listed here.

Abstract

The development of fast and affordable microbial production from recombinant pathways is a challenging endeavor, with targeted improvements difficult to predict due to the complex nature of living systems. To address the limitations in biosynthetic pathways, much work has been done to generate large libraries of various genetic parts (promoters, RBSs, enzymes, etc.) to discover library members that bring about significantly improved levels of metabolite production. To evaluate these large libraries, high throughput approaches are necessary, such as those that rely on biosensors. There are various modes of operation to apply biosensors to library screens that are available at different scales of throughput. The effectiveness of each biosensor-based method is dependent on the pathway or strain to which it is applied, and all approaches have strengths and weaknesses to be carefully considered for any high throughput library screen. In this review, we discuss the various approaches used in biosensor screening for improved metabolite production, focusing on transcription factor-based biosensors.

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