Abstract
Recent advances in the analytical applications of bacterial and firefly luciferases and firefly luciferin are reviewed. Luciferases have been used in soluble and immobilized/co-immobilized forms in assays for a variety of enzymes, substrates, and cofactors. The firefly luciferase reaction forms the basis of rapid microbiological tests which have found application in susceptibility testing, detection of bacteriuria, activated sludge analysis, and food testing. Rapid microbiological assays are also possible using bacteriophages containing the lux genes from Virbrio harveyi. Both the firefly and the bacterial luciferase reaction have been applied in immunoassay and DNA probe assays and the firefly luciferin phosphate substrate for alkaline phosphatase labels has proven particularly successful.
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