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.