论文部分内容阅读
美国研究人员把一种聚脂纤维基因注入棉花的植株,可以使农民培育出一种不会起皱并且像毛料一样暖和的纤维。“实验证明能够为纺织提供一种新纤维。”研究人员说:“如果我们能把足够的聚脂纤维基因植入棉花,就会得到一种纤维——它可以用来制作套头衫以及其他冬天穿的衣服,而以前用棉花布却无法做出这些衣服。”“其他一些基因能够使棉布既抗皱又防缩水。还有一些基因能加强棉纤维的染色性,从而可以制造出色彩更鲜亮并且不会褪色的织物。”研究人员还说,这项研究证明,棉花植株的遗传特性可以通过一种名为粒子轰击的技术加以改造。研究人员用这种方法可以把其他物种特殊基因转移到农作物的植株里。他们首先从实验室里一种很普通的细菌中提取出一种基因,它能够产生类似聚脂纤维的物质。研究人员把这种细菌的DNA放在微小的金粒表面,再把它们注射到棉花幼苗的植株中去。
American researchers injected a polyester fiber gene into cotton plants to help farmers develop a fiber that will not wrinkle and warm like wool. “Experiments have proved that it is able to provide a new type of textile for textiles.” “The researchers said:” If we could implant enough of the polyester gene into cotton, we would get a fiber - it could be used to make pullovers And other winter clothes that were previously unavailable with cotton cloth. “” Some other genes can make cotton both anti-wrinkle and anti-shrinkage, while others reinforce the dyeability of the cotton fiber and make it Brighter and faded fabrics. "The researchers also said the study demonstrates that the genetic properties of cotton plants can be modified by a technique called particle bombardment. Researchers use this method to transfer special genes from other species to plants in crops. They first extracted a gene from a very common bacterium in the laboratory that produces polyester-like substances. Researchers put the DNA of the bacteria on tiny gold particles and inject them into the plants of cotton seedlings.