Journal
BIOSENSORS-BASEL
Volume 12, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/bios12020064
Keywords
whole-cell biosensor; bacterial biosensor; biosensor engineering; protein engineering; genetic engineering; genetic circuits
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This article reviews the known types of mechanisms of biosensors within bacterial cells and discusses different approaches for optimizing biosensor functional parameters, including gene engineering, selection of genetic reporters, gene expression tuning, and incorporation of additional genetic modules.
In recent years, small-molecule biosensors have become increasingly important in synthetic biology and biochemistry, with numerous new applications continuing to be developed throughout the field. For many biosensors, however, their utility is hindered by poor functionality. Here, we review the known types of mechanisms of biosensors within bacterial cells, and the types of approaches for optimizing different biosensor functional parameters. Discussed approaches for improving biosensor functionality include methods of directly engineering biosensor genes, considerations for choosing genetic reporters, approaches for tuning gene expression, and strategies for incorporating additional genetic modules.
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