Methods: DNA recombinant technique was used.

方法：基因重组技术及蛋白纯化技术。

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DNA is the most important genetic material. So the method and technique of DNA extracting is the basic method for biochemistry, molecular biology and recombinant DNA technology.

DNA是最重要的遗传物质，因此，DNA的提取方法和技术是生物化学及分子生物学最基本的技术，也是生物工程最常用的技术。

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Some success in interferon production by bacteria has recently been achieved by the recombinant DNA technique.

近年曾经应用重组DNA技术使细菌产生干扰素获得了一定成效。

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This concept of introducing foreign genes, genes that are made of recombinant DNA into animals using this kind of technique is widely used in biomedical research.

这种通过基因重组,来向动物体内导入外源基因的方法,广泛应用于,各种生物医药的研究中

耶鲁公开课 - 生物医学工程探索课程节选