Structural and evolutionary approaches to the design and optimization of fluorescence-based small molecule biosensors
Joe A Kaczmarski1, Joshua A Mitchell1, Matthew A Spence1
1Research School of Chemistry, The Australian National University, 137 Sullivans Creek Road, Acton, ACT 2601, Australia.
Abstract:
Biosensors that selectively report on the presence of specific small molecule analytes have applications in many fields of research, medicine and biotechnology. Here, we review recent advances and emerging approaches in the design and optimisation of genetically encoded fluorescence-based small molecule biosensors. We discuss how natural sensory proteins can be exploited to produce novel biosensors and the strategies for optimizing ligand specificity and fluorescence readout. Finally, we provide insight into high-throughput sensor optimisation and discuss the challenges that are faced when designing novel biosensors.
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