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Review
. 2021 May 10;37(5):699-703.
doi: 10.2116/analsci.20SCR12. Epub 2021 Jan 22.

Transcription Factors as Evolvable Biosensors

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Free article
Review

Transcription Factors as Evolvable Biosensors

Daisuke Umeno et al. Anal Sci. .
Free article

Abstract

One of the most prominent features of genetically encoded biosensors (GEBs) is their evolvability-the ability to invent new sensory functions using mutations. Among the GEBs, the transcription factor-based biosensors (TF-biosensors) is the focus of this review. We also discuss how this class of sensors can be highly evolvable and how we can exploit it. With an established platform for directed evolution, researchers can create, or evolve, new TF-biosensors. Directed evolution experiments have revealed the TF-biosensors' evolvability, which is based partially on their characteristic physicochemical properties.

Keywords: Genetic switches; biosensors.

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