作者:Daiva Tauraitė、Jevgenija Jakubovska、Julija Dabužinskaitė、Maksim Bratchikov、Rolandas Meškys
DOI:10.3390/molecules22040672
日期:——
The synthesis of novel modified nucleotides and their incorporation into DNA sequences opens many possibilities to change the chemical properties of oligonucleotides (ONs), and, therefore, broaden the field of practical applications of modified DNA. The chemical synthesis of nucleotide derivatives, including ones bearing thio-, hydrazino-, cyano- and carboxy groups as well as 2-pyridone nucleobase-containing
新型修饰核苷酸的合成及其掺入DNA序列为改变寡核苷酸(ON)的化学性质提供了许多可能性,因此,拓宽了修饰DNA的实际应用领域。进行了核苷酸衍生物的化学合成,包括带有硫基,肼基,氰基和羧基基团的衍生物以及含2-吡啶酮核碱基的核苷酸。测试了制备的化合物作为末端脱氧核苷酸转移酶(TdT)的底物。含有N +-氨基胞嘧啶,4-硫尿嘧啶以及2-吡啶酮,4-氯-和4-溴-2-吡啶酮作为核碱基的核苷酸被TdT接受,因此可以进行3'-末端修饰的ONs的酶促合成。成功进行了紫外线诱导的含4-硫尿嘧啶的ONs与TdT的交联。