3′-OH unblocked nucleotides and nucleosides base modified with non-cleavable, terminating groups and methods for their use in DNA sequencing
申请人:LaserGen, Inc.
公开号:US07893227B2
公开(公告)日:2011-02-22
Provided are novel nucleotides, nucleoside, and their derivatives described herein, that can be used in DNA sequencing technology and other types of DNA analysis. In one embodiment, the nucleotide or nucleoside with an unprotected 3′-OH group is derivatized at the nucleobase to include a fluorescent dye attached via a linker to a non-cleavable terminating group. The non-cleavable-fluorescent group is designed to terminate DNA synthesis so that DNA oligomers can be sequenced efficiently in a parallel format. These reagents and methods will lead to more accurate identification of polymorphisms and other valuable genetic information.
提供的是本文描述的新型核苷酸、核苷和它们的衍生物,可用于DNA测序技术和其他类型的DNA分析。在一个实施例中,未保护的3'-OH基团的核苷酸或核苷在核碱基上被衍生,包括通过连接剂连接到不可切断终止基团的荧光染料。不可切断的荧光基团被设计为终止DNA合成,以便DNA寡聚体可以以并行格式高效测序。这些试剂和方法将导致对多态性和其他有价值的遗传信息更准确的识别。