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Related Experiment Videos

Firefly and bacterial luminescence: basic science and applications.

W D McElroy, M A DeLuca

    Journal of Applied Biochemistry
    |June 1, 1983
    PubMed
    Summary

    Bioluminescent assays using firefly and bacterial reactions can quantify ATP and reduced pyridine nucleotides (NADH/NADPH). Immobilized enzymes enhance assay stability, sensitivity, and reusability, paving the way for automated systems.

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    Area of Science:

    • Biochemistry
    • Analytical Chemistry
    • Enzyme Technology

    Background:

    • Bioluminescence reactions in fireflies and bacteria produce light proportional to ATP or reduced pyridine nucleotide concentrations (NADH/NADPH).
    • These reactions have been utilized for quantifying specific biomolecules in various biological systems.

    Purpose of the Study:

    • To review the chemistry of bioluminescent reactions for ATP and NAD(P)H determination.
    • To discuss applications of bioluminescent assays, particularly those employing immobilized enzymes.
    • To compare immobilized enzyme assays with traditional analytical methods.

    Main Methods:

    • Review of bioluminescent reaction mechanisms (firefly and bacterial).
    • Application of bioluminescent assays for ATP and NAD(P)H quantification.
    • Development and utilization of immobilized enzymes (e.g., on Sepharose) for enhanced assay performance.
    • Comparison of immobilized bioluminescent assays with gas-liquid chromatography and radioimmunoassay.

    Main Results:

    • Firefly luminescence intensity correlates with ATP concentration.
    • Bacterial luminescence intensity correlates with reduced pyridine nucleotide (NADH/NADPH) concentration.
    • Immobilized enzymes offer superior stability, sensitivity, and reusability compared to soluble enzymes.
    • Automated systems with coimmobilized enzymes demonstrate good reproducibility.

    Conclusions:

    • Bioluminescent assays are valuable tools for quantifying ATP and NAD(P)H.
    • Immobilized enzymes significantly improve bioluminescent assay performance.
    • Future developments will likely focus on automated, immobilized enzyme-based bioluminescent systems for enhanced efficiency and accuracy.

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