Arabidopsis thaliana EFR protein is Tu elongation factor ( EF-Tu) receptors and bacterial flagellin, plants depend on the receptor kinase ( EFR and FLS2) to pathogen invasion and the immune response. 拟南芥EFR蛋白是延伸因子Tu(EF-Tu)和细菌鞭毛蛋白的受体,植物体依赖受体激酶(EFR)来感应病原体入侵并启动免疫反应。