EMBODIMENTS OF A PROBE AND METHOD FOR TARGETING NUCLEIC ACIDS
申请人:Hrdlicka Patrick Jerzy
公开号:US20140220573A1
公开(公告)日:2014-08-07
Disclosed embodiments concern a probe comprising one or more pairs of monomers capable of targeting a nucleic acid target. The pair of monomers may be arranged in a manner that promotes thermoinstability of the probe complex, thus producing a probe capable of locating and/or detecting a target. The probe also may comprise one or more natural or non-natural nucleotides capable of Watson-Crick base pairing with an isosequential nucleic acid target. Particular disclosed embodiments concern a method of using the disclosed probe to target nucleic acids. In particular disclosed embodiments, the probe may be incubated with a target nucleic acid and then be detected.
Recognition of Mixed-Sequence DNA Duplexes: Design Guidelines for Invaders Based on 2′-<i>O</i>-(Pyren-1-yl)methyl-RNA Monomers
作者:Saswata Karmakar、Dale C. Guenther、Patrick J. Hrdlicka
DOI:10.1021/jo402085v
日期:2013.12.6
alternative approach toward this end. These double-strandedoligonucleotide probes are activated for recognition of mixed-sequence dsDNA through modification with +1 interstrand zippers of intercalator-functionalized nucleotides such as 2′-O-(pyren-1-yl)methyl-RNA monomers and have recently been shown to recognize linear dsDNA, DNA hairpins, and chromosomal DNA. In the present work, we systematically studied
开发识别混合序列双链 DNA (dsDNA) 的试剂是可取的,因为它们具有作为基因检测、调节和修饰工具的潜力。尽管在三链形成寡核苷酸、肽核酸、聚酰胺和其他方法方面取得了进展,但对混合序列 dsDNA 靶标的识别仍然具有挑战性。我们的实验室研究入侵者作为实现这一目标的替代方法。这些双链寡核苷酸探针通过用嵌入剂功能化核苷酸(如 2'- O)的+1 链间拉链修饰而被激活,用于识别混合序列 dsDNA-(pyren-1-yl)methyl-RNA 单体,最近已被证明可以识别线性 dsDNA、DNA 发夹和染色体 DNA。在目前的工作中,我们系统地研究了 2' - O -(pyren-1-yl)methyl-RNA 单体的核碱基部分对 Invader 双链体识别效率的影响。使用具有四种典型 2' - O -(pyren-1-yl)methyl-RNA A / C / G / U单体的不同 +1 链间拉链的