ACS Sensors
ACS Sensors
5 years ago

In Situ Construction of Protein-Based Semisynthetic Biosensors

In Situ Construction of Protein-Based Semisynthetic Biosensors
Chemically constructed biosensors consisting of a protein scaffold and an artificial small molecule have recently been recognized as attractive analytical tools for the specific detection and real-time monitoring of various biological substances or events in cells. Conventionally, such semisynthetic biosensors have been prepared in test tubes and then introduced into cells using invasive methods. With the impressive advances seen in bioorthogonal protein conjugation methodologies, however, it is now becoming feasible to directly construct semisynthetic biosensors in living cells, providing unprecedented tools for life-science research. We discuss here recent efforts regarding the in situ construction of protein-based semisynthetic biosensors and highlight their uses in the visualization and quantification of biomolecules and events in multimolecular and crowded cellular systems.

Publisher URL: http://dx.doi.org/10.1021/acssensors.7b00894

DOI: 10.1021/acssensors.7b00894

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