长期从事RNA病毒基因组转录复制机制及靶向聚合酶的核苷-核酸类抗病毒药物的抑制机制研究。突破性揭示了黄病毒从头合成型聚合酶由自身结构元件介导的引发-延伸转换的分子机制,揭示了新冠病毒引物依赖型聚合酶执行RNA合成的精细构造与变化过程;发现了瑞德西韦干预聚合酶催化合成的暂停-重启新型抑制机制。
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