Compositions and methods for enhancing hybridization and priming specificity
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United States of America Patent
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Mar 26, 2002
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app pub date -
Apr 1, 1998
filing date -
Sep 24, 1996
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Abstract
Compositions and methods are provided for increasing the specificity of a probe nucleic acid for a target nucleic acid in a hybridization solution. An abasic residue, deoxyNebularine residue, or a hybotrope is used to increase specificity. A method is provided for identifying useful hybotropes, including salts, water miscible organic solvents, aprotic solvents and organic solvents, on the basis of enthalpy considerations. Hybotropic hybridization and modified oligonucleotides may be used in amplification reactions, such as PCR, sequence analysis methods, and genomic screening methods.
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