SINGLE NUCLEOTIDE DETECTION METHOD AND ASSOCIATED PROBES

A method of sequencing a nucleic acid such as DNA or RNA comprising (1) generating a stream of single nucleoside triphosphates; (2) producing at least one substantially double-stranded oligonucleotide used probe by reacting the single nucleoside triphosphates with a corresponding biological probe co...

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Bibliographische Detailangaben
Hauptverfasser: BALMFORTH, Barnaby, FRAYLING, Cameron Alexander
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A method of sequencing a nucleic acid such as DNA or RNA comprising (1) generating a stream of single nucleoside triphosphates; (2) producing at least one substantially double-stranded oligonucleotide used probe by reacting the single nucleoside triphosphates with a corresponding biological probe comprising (a) a first single-stranded oligonucleotide including a restriction endonuclease nicking-site, a single nucleotide capture site and oligonucleotide regions juxtaposed either side of the nicking-site having at least one fluorophore and at least one quencher and (b) second and third single-stranded oligonucleotides; (3) nicking the first oligonucleotide strand of the used probe at the nicking-site; (4) separating the first oligonucleotide components generated in step (3) from the complementary strand of the used probe and (5) detecting the fluorophores. New biological probes and probe systems for use with the method are also described.