Objective To evaluate the replication and encapsidation of HBV mutants with the truncated C gene.

目的探讨C基因截短型HBV变异体的复制与包装。

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Sequencing involves determining the order of the bases — the chemical units of DNA that are represented by the letters A, C, G and T — in a gene or on a chromosome.

测序涉及确定的基础秩序 - 在基因或染色体 - DNA的是用字母A，丙，G和T代表的化学单位。

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In addition, the research team used C. elegans as a model system to identify a gene that regulates sleep.

另外，该研究组将圆线虫作为一个模型系统鉴定出一个睡眠调节基因。

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Cynthia Kenyon , a researcher at the University of California in San Francisco, found a life-extending gene in C. elegans, a tiny species of worm.

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