最奇特8大基因科学实验:成功克隆死亡老鼠(8)

8、科学家培育生长更快的转基因树 最新培育的转基因树可在6年内生长至90英尺高,这种树的成份可以取代化石燃料。美国普渡大学研究人员使用基因工具成功地培育出一种转基因树,其生长更快、而且成本低廉,它的成份可代替化石燃料。
科学家关注细胞壁中一种叫做“木质素(lignin)”的化合物,它可提高植物的结构性强度,但是它阻碍纤维素的提取。纤维素是一种含糖物质,可用于制造代燃料酒精。由美国能源部提供资金的这项研究利用基因工具寻找到将新培育的树进一步生成可形成酒精的物质,从而解决化石燃料资源的匮乏。
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