An Acetylene-Bridged 6,8-Purine Dimer as a Fluorescent Switch-On Probe for Parallel G-Quadruplexes
作者:Mehran Nikan、Marco Di Antonio、Keren Abecassis、Keith McLuckie、Shankar Balasubramanian
DOI:10.1002/anie.201207075
日期:2013.1.28
Lighting up: The systematic design and synthesis of a G‐quartet‐inspired fluorescence probe (APD), which is made of two acetylene‐bridged purines, are reported. The APD lights up in the presence of parallel DNA (e.g. c‐MYC) or RNA G‐quadruplexes, while it shows no fluorescence enhancement with double‐stranded DNA, antiparallel or mixed‐type (e.g. h‐Telo) G‐quadruplexes (see picture). The utility of
点亮:报道了由两个乙炔桥嘌呤组成的 G 四联体荧光探针(APD)的系统设计和合成。APD 在平行 DNA(例如 c-MYC)或 RNA G-四链体存在时亮起,而双链 DNA、反平行或混合型(例如 h-Telo)G-四链体则没有荧光增强(参见图片)。还证明了 APD 在 G-四链体优先染色中的实用性。