Springer

Thermostable Proteins as Probe for the Design of Advanced Fluorescence Biosensors

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In this review we explore the advantages deriving from the use of either enzymes or sugar binding proteins isolated from thermophilic organisms to develop stable fluorescence biosensors. We report on a novel approach to address the consumption of the analyte by enzyme-based biosensors, namely the utilization of apo-enzymes as non-active forms of proteins which are still able to bind the ligand but cannot transform it into product. We also report recent studies in which the fluorescence labeling of a naturally thermostable binding protein allows a quantitative determination of glucose.

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