Reduced Interference from Single Strand Binding Proteins

Disclosed, for example, are methods for detecting at least one target polynucleotide comprising cleaving a flap from a polynucleotide probe that is hybridized to a complementary target polynucleotide, and hybridizing the cleaved flap to a complementary capture probe immobilized on a surface, wherein...

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Bibliographische Detailangaben
Hauptverfasser: EASON ROBERT G, SCABOO KRISTIAN M, GEISER TIMOTHY G, BASHKIROV VLADIMIR I
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Disclosed, for example, are methods for detecting at least one target polynucleotide comprising cleaving a flap from a polynucleotide probe that is hybridized to a complementary target polynucleotide, and hybridizing the cleaved flap to a complementary capture probe immobilized on a surface, wherein said cleaving and/or hybridizing occurs in the presence of a single strand binding protein that is capable of binding single-stranded DNA, but that can bind neither the flap nor the capture probe. The cleaved flap and the complementary capture probe may each comprise PNA, RNA, LNA, L-DNA or other modified nucleotides or chimeras thereof that do not significantly bind to the single strand binding protein.