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正小麦蓝矮病(Wheat blue dwarf,WBD)是我国西北麦区一种重要植原体病害,在我国西部地区危害严重。该病害由异沙叶蝉(Psammotettix alienus L.)专化性传播,介体传毒成为病害流行的重要中心环节[1]。本实验室前期通过免疫荧光标记研究发现WBD植原体免疫膜蛋白(immunodominant membrane protein, IMP)与介体异沙叶蝉肌动蛋白互作,说明IMP在植原体传播和致病过程中起关键作用。 相似文献
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In order to investigate interactive proteins in leafhopper (Psammotettix alienus L.) with WBD phytoplasma, the protein interaction analysis was performed by using WBD phytoplasma IMP (immunodominant membrane protein) as bait protein to screen a cDNA library of leafhopper using a split-ubiquitin yeast membrane system. Through the screening test, 30 clones were obtained from the cDNA library and 8 proteins were identified by searching against NCBI database, such as tubulin, peptidyl-prolyl cis-trans isomerase, Cdc42 protein, ribosomal proteins and ATP-F0 subunit protein, etc. The interactions between IMP and 8 putative proteins were further confirmed by co-transformation and β- Galactosidase assays. This study could be useful for understanding the molecular interaction mechanism between WBD phytoplasma and insect vector and the specificity of transmission. 相似文献
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