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从北京国际花展上截获烟草花叶病毒(TMV)仙人指分离物,与仙人掌病毒复合感染仙人指,使原来生长很好的仙人指,短期内发生急性坏死,并导致仙人指死亡。为了解分离物的抗原特性,在用常规血清学方法鉴定的基础上,又采用单克隆抗体进一步与TMV中、日、美六个典型株系进行比较鉴定。结果表明该分离物的抗原性接近中国番茄和日本番茄株系,但在外壳蛋白表面抗原结构上,尚有细微的差异,而与OM株,U_1株,中国普通株及U_2株有较大的差异。
Intercepted Tobacco Mosaic Virus (TMV) immortal finger isolates from Beijing International Flower Show and cactus complex infection with cactus virus, so that the original good growth of immortal fingers, acute necrosis occurred in the short term, and lead to immortality means death. To understand the antigenic characteristics of the isolates, the monoclonal antibodies were further identified with six typical strains of TMV, Japan and the United States on the basis of routine serological methods. The results showed that the antigenicity of this isolate was close to that of Chinese tomato and Japanese tomato. However, there were slight differences in the antigenic structure of the coat protein surface. However, the antigenicity of the isolate was similar to that of OM, U_1, difference.