Continous fluorometric assay for detecting nucleic acid cleavage
First Claim
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1. A method of detecting continuously an endonuclease-mediated nucleic acid cleavage reaction in a fluorometric assay comprising the steps of:
- (a) preparing a fluorescently labeled oligonucleotide containing a double-stranded nucleic acid sequence recognizable by said endonuclease, wherein said oligonucleotide acts as a substrate for said endonuclease;
(b) contacting said oligonucleotide of step (a) with said endonuclease in an amount sufficient to cleave said oligonucleotide to produce oligonucleotide products; and
(c) detecting continuously a nucleic acid cleavage reaction by detecting an increase in fluorescence intensity.
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Abstract
A method of detecting an enzyme-mediated DNA cleavage reaction in a fluorometric assay is provided. The method can be used to detect DNA cleavage caused by restriction endonucleases, retroviral integrase enzymes, DNases, RNases, or enzymes utilized in other strand separating processes in molecular biology.
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15 Claims
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1. A method of detecting continuously an endonuclease-mediated nucleic acid cleavage reaction in a fluorometric assay comprising the steps of:
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(a) preparing a fluorescently labeled oligonucleotide containing a double-stranded nucleic acid sequence recognizable by said endonuclease, wherein said oligonucleotide acts as a substrate for said endonuclease; (b) contacting said oligonucleotide of step (a) with said endonuclease in an amount sufficient to cleave said oligonucleotide to produce oligonucleotide products; and (c) detecting continuously a nucleic acid cleavage reaction by detecting an increase in fluorescence intensity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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