由美国能源部提供资助的一些科学家，正在利用基因改性技术，培育能分解有毒物质的树木，以抵抗有毒物质对环境的污染和清除被污染环境中的有毒物质。佐治亚大学的斯科特·梅龙莱和他的同事们，把一种名为ｍｅｒａ的基因，植入美国一种叫鹅掌揪的树木。由于该细菌基因有助于抵? Some scientists funded by the U.S. Department of Energy are using genetically modified technologies to cultivate trees that can decompose toxic substances to counter the environmental impact of toxic substances and to remove toxic substances in polluted environments. Scott Meron, of the University of Georgia, and his colleagues planted a gene called mera into a tree in the United States called poplar. As the bacterial gene helps to resist?