Using gene engineering technique, a DNA fragment of foreign aim gene that satisfies human demands can be linked to carrier DNA, and then the gene recombination takes place. After that, they will be transferred to suitable cell of acceptor so that they can play an important role in the pollution prevention and control. Gene engineering has already been used to degrade dangerous compounds. The structured directionally supper engineering germs can be applied to pollution restoration of soil, groundwater and se...

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