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Keisuke Konno Mana Iizuka Syusuke Fujita Satoshi Nishikawa Tsunemi Hasegawa Kotaro Fukuda 《Nucleosides, nucleotides & nucleic acids》2013,32(3):185-202
The higher order structure of HCV (?)IRES containing five stem-loop structures (domain I) is essential for HCV replication because the viral RNA-dependent RNA polymerase, NS5B, recognizes it as the initiation site for plus-strand synthesis. To inhibit a de novo synthesis of plus-strand RNA molecules, in vitro selection against (?)IRES domain I was performed. One of the obtained aptamers, AP30, contained two consensus sequences within a random sequence region. Two consensus sequences form two apical loops and mutational analysis showed that both sequences were essential for binding to the target and for inhibiting NS5B-mediated RNA synthesis in vitro. 相似文献
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