Nucleic acid probes and methods to detect and/or quantify...

Details Nucleic acid probes and methods to detect and/or quantify... Nucleic acid probes and methods to detect and/or quantify...

2005-06-07

2005-06-07

Horlick, Kenneth R. (Department: 1637)

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving nucleic acid

C536S023100, C536S024300, C536S024320, C536S025320, C536S025330, C536S025340, C534S727000

Reexamination Certificate

active

06902900

ABSTRACT:
The invention comprises novel methods and strategies to detect and/or quantify nucleic acid analytes. The methods involve nucleic acid probes with covalently conjugated dyes, which are attached either at adjacent nucleotides or at the same nucleotide of the probe and novel linker molecules to attach the dyes to the probes. The nucleic acid probes generate a fluorescent signal upon hybridization to complementary nucleic acids based on the interaction of one of the attached dyes, which is either an intercalator or a DNA groove binder, with the formed double stranded DNA. The methods can be applied to a variety of applications including homogeneous assays, real-time PCR monitoring, transcription assays, expression analysis on nucleic acid microarrays and other microarray applications such as genotyping (SNP analysis). The methods further include pH-sensitive nucleic acid probes that provide switchable fluorescence signals that are triggered by a change in the pH of the medium.

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