Methods and Compositions Related to Nucleic Acid Detection
First Claim
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1. A method of determining sequence similarity of a target nucleic acid and a probe, the method comprising:
- a) bringing into contact the target nucleic acid, the probe, and a labeled competitor nucleic acid;
b) simultaneously incubating the target nucleic acid, a probe, and the labeled competitor nucleic acid under conditions suitable for hybridization;
c) determining the binding pattern of the competitor nucleic acid to the probe in the presence of the target nucleic acid; and
d) determining sequence similarity of the target nucleic acid and the probe based on the results of step c).
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Abstract
Disclosed are compositions and a method for detection of nucleic acid sequences based on competitive displacement.
38 Citations
50 Claims
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1. A method of determining sequence similarity of a target nucleic acid and a probe, the method comprising:
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a) bringing into contact the target nucleic acid, the probe, and a labeled competitor nucleic acid; b) simultaneously incubating the target nucleic acid, a probe, and the labeled competitor nucleic acid under conditions suitable for hybridization; c) determining the binding pattern of the competitor nucleic acid to the probe in the presence of the target nucleic acid; and d) determining sequence similarity of the target nucleic acid and the probe based on the results of step c). - View Dependent Claims (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, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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2. A method of detecting the presence of a target nucleic acid in a sample, the method comprising:
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a) simultaneously bringing into contact the sample, a probe, and a labeled competitor nucleic acid; b) incubating the sample, the probe, and the labeled competitor nucleic acid under conditions suitable for hybridization; c) determining the binding pattern of the competitor nucleic acid to the probe in the presence of the sample; and d) detecting the presence of the target nucleic acid based on the results of step c).
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3. A method of quantifying a target nucleic acid, the method comprising:
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a) simultaneously bringing into contact a target nucleic acid, a probe, and a labeled competitor nucleic acid; b) incubating the target nucleic acid, the probe, and the labeled competitor nucleic acid under conditions suitable for hybridization; c) determining the amount of labeled competitor nucleic acid bound to the nucleic acid probe; and d) quantifying the target nucleic acid based on the results of step c)
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Specification