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HyBeacon probes: a new tool for DNA sequence detection and allele discrimination.

Abstract：

:Technologies that permit rapid investigation of DNA sequences, such as those containing single nucleotide polymorphisms (SNPs), are of great consequence to many sectors that perform molecular diagnostic analyses. We have developed a novel fluorescent oligonucleotide probe technology, termed HyBeacons, which provides a new homogeneous method for fluorescence-based sequence detection, allele discrimination and DNA quantification. Hybridization of HyBeacons to complementary DNA target sequences results in a measurable elevation of probe fluorescence emission. HyBeacon probes may be incorporated into real-time polymerase chain reaction (PCR) assays to detect the presence and monitor the accumulation of specific DNA sequences. Furthermore, closely related sequences differing by as little as a single nucleotide may be discriminated by measuring the melting temperatures (T(m)) of various probe/target duplexes and exploiting the differences in T(m) that exist between different duplexes. We demonstrate here that HyBeacon probes are efficient tools for rapid sequence analysis and that a single probe may be employed to reliably identify homozygous and heterozygous samples. Additional benefits exhibited by the HyBeacon technology derive from their simple mode of action, ease of design, relatively inexpensive synthesis and potential for multiplex analysis.

journal_name

Mol Cell Probes

journal_title

Molecular and cellular probes

authors

French DJ,Archard CL,Brown T,McDowell DG

doi

10.1006/mcpr.2001.0384

subject

Has Abstract

pub_date

2001-12-01 00:00:00

pages

363-74

issue

6

eissn

0890-8508

issn

1096-1194

pii

S0890850801903846

journal_volume

15

pub_type

杂志文章

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