Measuring Real-time DNA/RNA Nuclease Activity through Fluorescence.
Paulina Wyrzykowska1, Sally Rogers2, Richard Chahwan1
1Institute of Experimental Immunology, University of Zurich, 8057 Zurich, Switzerland.
Bio-Protocol
|December 3, 2021
Summary
This study details an easy and inexpensive nuclease assay protocol. The method helps understand novel enzyme mechanisms, including substrate preference and reaction rates.
Area of Science:
- Biochemistry
- Molecular Biology
- Enzymology
Background:
- Nucleases (DNA and RNA enzymes) are crucial for cellular processes like DNA repair and immune response.
- Understanding novel nuclease mechanisms is vital due to growing interest in these enzymes.
- Existing methods may be complex or costly, hindering research.
Purpose of the Study:
- To present a detailed, accessible protocol for a nuclease assay.
- To enable researchers to investigate the molecular mechanisms of newly discovered or existing nucleases.
- To provide a cost-effective method for characterizing nuclease activity.
Main Methods:
- Detailed protocol for a nuclease assay.
- Method focuses on ease of use and affordability.
- Assay allows for characterization of enzyme kinetics and substrate interactions.
Main Results:
- The assay provides data on substrate preference.
- The method can identify necessary cofactors for nuclease activity.
- Enables determination of the catalytic rate of reaction for nucleases.
Conclusions:
- The described nuclease assay is a valuable tool for biochemical and molecular biology research.
- This protocol facilitates the detailed characterization of novel and known nucleases.
- The assay's simplicity and low cost make it widely applicable.


