FLUORESCENT QUENCHING DETECTING REAGENTS AND METHODS
申请人:Reed Michael W.
公开号:US20100174058A1
公开(公告)日:2010-07-08
Oligonucleotide probes containing two labels are provided and are useful in hybridization assays. The probes can also contain a minor groove binding group.
提供了含有两个标签的寡核苷酸探针,适用于杂交检测。这些探针还可以包含一个次级沟结合基团。
US7662942B2
申请人:——
公开号:US7662942B2
公开(公告)日:2010-02-16
US7897736B2
申请人:——
公开号:US7897736B2
公开(公告)日:2011-03-01
Fluorescent quenching detection reagents and methods
申请人:Epoch Biosciences, Inc.
公开号:US06699975B2
公开(公告)日:2004-03-02
Oligonucleotide-fluorophore-quencher conjugates wherein the fluorophore moiety has emission wavelengths in the range of about 300 to about 800 nm, and or where the quencher includes a substituted 4-(phenyldiazenyl)phenylamine structure provide improved signal to noise ratios and other advantageous characteristics in hybridization and related assays. The oligonucleotide-fluorophore-quencher conjugates can be synthesized by utilizing novel phosphoramidite reagents that incorporate the quencher moiety based on the substituted 4-(phenyidiazenyl)phenylamine structure, and or novel phosphoramidite reagents that incorporate a fluorophore moiety based on the substituted coumarin, substituted 7-hydroxy-3H-phenoxazin-3-one, or substituted 5,10-dihydro-10-[phenyl]pyrido[2,3-d;6,5-d′]dipyrimidine-2,4,6,8-(1H,3H,7H,9H,10H)-tetrone structure. Oligonucleotide-fluorophore-quencher-minor groove binder conjugates including a pyrrolo[4,5-e]indolin-7-yl}carbonyl) pyrrolo[4,5-e]indolin-7-yl]carbonyl}pyrrolo[4,5-e]indoline-7-carboxylate (DPI3) moiety as the minor groove binder and the substituted 4-(phenyldiazenyl)phenylamine moiety as the quencher, were synthesized and have substantially improved hybridization and signal to noise ratio properties.