文献类型： 外文期刊

作者： Shao, CG ¹ ; Wu, JH ² ; Zhou, GY ² ; Sun, G ² ; Peng, BZ ² ; Lei, JL ² ; Jin, DD ² ; Chen, SX ² ; Upadhyaya, NM ² ; Waterhouse, ¹ ;

作者机构： 1.Acad Sinica, Shanghai Inst Life Sci, Inst Biochem & Cell Biol, Key Lab Proteom, Shanghai 20003, Peoples R China

2.Acad Sinica, Shanghai Inst Life Sci, Inst Biochem & Cell Biol, Key Lab Proteom, Shanghai 20003, Peoples R China; Zhejiang Acad Agr Sci, Virus Lab, Hangzhou 310021, Peoples R China; CSIRO Plant Ind, Canberra, ACT, Australia

关键词： RRSV;transgenic rice;vector transmission;viral spike protein

期刊名称：MOLECULAR BREEDING （ 影响因子：2.589； 五年影响因子：2.75 ）

ISSN： 1380-3743

年卷期： 2003 年 11 卷 4 期

页码：

收录情况： SCI

摘要： Rice ragged stunt oryzavirus (RRSV) replicates in both its insect vector, Nilaparvata lugens, and its plant host, rice, and has a complex multi-component particle bearing spikes on its outer surface. Transgenic rice lines expressing the 39 kDa spike protein showed good resistance to infection by RRSV. Furthermore, N. lugens fed on these plants prior to feeding on RRSV-infected plants were significantly protected against RRSV infection. The viral titre in insects initially fed on transgenic plants and then on RRSV-infected plants was inversely proportional to the levels of the 39 kDa protein expressed in the transgenic plants. This suggests that the 39 kDa protein interferes with the interaction between the intact virus particles and insect cell receptors and that the spike protein of RRSV contributes to vector specificity. This approach would probably be a more environment-friendly and sustainable method of virus control than by actual eradication of insect vectors.