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以青枯假单胞菌膜蛋白和糖蛋白为免疫原对植物青枯菌的血清分型进行了比较研究。４个菌株的膜蛋白抗血清和相应的４个糖蛋白抗血清的琼脂双扩散试验，在近抗原孔处，同源菌株均产生１条或２条清晰的沉淀带。膜蛋白和糖蛋白具有相似的特异性和种下区分作用，其血清分型结果完全一致
The serotypes of R. solanacearum were compared with Pseudomonas solanacearum membrane protein and glycoprotein as immunogen. Four strains of membrane protein antiserum and the corresponding four glycoprotein antiserum agar double diffusion test in the hole near the antigen, the homologous strains have produced one or two clear sedimentation zone. Membrane proteins and glycoproteins have similar specificity and species differentiation, the results of their serological typing are exactly the same