上游充通大睾 Shanghai Jiao Tong University 抗病毒水稻 (b) Figure 10.14 (a)Virus resistance in rice.A new form of rice plant was transfected with genes for resistance to the rice stripe virus(right) The virus is a significant pathogen that severely stunts young plnt and reduces crop yields(plant on left is infected control). (b)Genetically engineered(FLAVR SAVR)tomatoes (left) compared with normal controls(right).The modified tomatoes contain an antisense gene that prevents them from softening too rapidly.which allows them to develop their natural flavor on the vine and continue the natural process of ethylene production. 上海交大生命学院陈峰Shanghai Jiao Tong University 上海交大生命学院陈峰 抗病毒水稻