G-四倍体
鸟嘌呤
DNA
圆二色性
端粒
化学
碱基对
计算生物学
立体化学
基因
生物
核苷酸
生物化学
作者
Jinbo Zhu,Libing Zhang,Shaojun Dong,Erkang Wang
出处
期刊:Chemical Science
[The Royal Society of Chemistry]
日期:2015-01-01
卷期号:6 (8): 4822-4827
被引量:68
摘要
Here, we get a new insight into the formation of a split G-quadruplex from the viewpoints of the split mode and guanine base number. An unusual result is that the split mode 4 : 8 performed best in six split modes, including the frequently used mode 1 : 3 and 2 : 2 in the split G-quadruplex enhanced fluorescence assay. Circular dichroism spectra verified the conclusion. The application of the split G-quadruplex based assay in DNA detection was performed on the point mutations of the JAK2 V617F and HBB genes. A multi-target analysis method based on a pool of G-segments split from T30695 (GGGTGGGTGGGTGGGT) by the magic "law of 4 : 8" was established.
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