Genomic assay
First Claim
1. A method of detecting a nucleic acid sequence in a genomic sample, said method comprising:
- providing the genomic sample comprising a quantity of duplex nucleic acids containing target nucleic acid sequences;
providing a quantity of probes comprising probe nucleic acid sequences;
providing a hybridization mixture comprising the genomic sample, the quantity of probes, a quantity of hybridization promoting agents and labels;
incubating the hybridization mixture to provide an incubated mixture comprising complexes of the duplex nucleic acids, the probes and the labels;
irradiating the incubated mixture with radiation effective to stimulate at least some of the labels to emit energy; and
detecting from a fluorescent signal whether the probe nucleic acid sequences perfectly match the target nucleic acid sequences, to thereby detect whether the nucleic acid sequence is present in the genomic sample,wherein a ratio of the quantity of probes to the quantity of duplex nucleic acids is at least 109, and the method is conducted without denaturing the duplex nucleic acids and without PCR amplification of the duplex nucleic acids.
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Accused Products
Abstract
A method of detecting a nucleic acid sequence in a genomic sample, includes: providing the genomic sample containing a target nucleic acid sequence of a duplex nucleic acid; providing, a probe containing a probe nucleic acid sequence; providing a hybridization mixture containing the genomic sample, the probe, a hybridization promoting agent and labels; incubating the hybridization mixture; irradiating the incubated mixture with radiation effective to stimulate at least some of the labels to emit energy; and detecting from a fluorescent signal whether the probe perfectly matches the target nucleic acid sequence, wherein the detecting is completed within sixty minutes of the hybridization mixture providing, and the method is conducted without denaturing and without PCR amplifying the duplex nucleic acid. A kit for practicing the method includes the probe, the hybridization promoting agent, and labels.
61 Citations
69 Claims
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1. A method of detecting a nucleic acid sequence in a genomic sample, said method comprising:
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providing the genomic sample comprising a quantity of duplex nucleic acids containing target nucleic acid sequences; providing a quantity of probes comprising probe nucleic acid sequences; providing a hybridization mixture comprising the genomic sample, the quantity of probes, a quantity of hybridization promoting agents and labels; incubating the hybridization mixture to provide an incubated mixture comprising complexes of the duplex nucleic acids, the probes and the labels; irradiating the incubated mixture with radiation effective to stimulate at least some of the labels to emit energy; and detecting from a fluorescent signal whether the probe nucleic acid sequences perfectly match the target nucleic acid sequences, to thereby detect whether the nucleic acid sequence is present in the genomic sample, wherein a ratio of the quantity of probes to the quantity of duplex nucleic acids is at least 109, and the method is conducted without denaturing the duplex nucleic acids and without PCR amplification of the duplex nucleic acids. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 63, 64, 65, 66, 67, 68, 69)
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61. A method of detecting a nucleic acid sequence in a genomic sample, said method comprising:
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providing the genomic sample comprising a quantity of single-stranded or double-stranded nucleic acids containing target nucleic acid sequences; providing a quantity of probes comprising probe nucleic acid sequences; providing a hybridization mixture comprising the genomic sample, the quantity of probes, a quantity of hybridization promoting agents and labels; incubating the hybridization mixture to provide an incubated mixture comprising a complex of the single-stranded or double-stranded nucleic acids, the probes and the labels; applying energy to the incubated mixture effective to elicit a signal from the hybridization mixture; and detecting from the signal whether the probe nucleic acid sequences perfectly match the target nucleic acid sequences, to thereby detect whether the nucleic acid sequence is present in the genomic sample, wherein;
(a) a ratio of the quantity of probes to the quantity of nucleic acids is at least 109, (b) the detecting is completed within sixty minutes of providing of the hybridization mixture, and (c) the method is conducted without denaturing the duplex nucleic acid and without PCR amplification of the duplex nucleic acid. - View Dependent Claims (62)
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Specification