其中S蛋白是负责病毒侵染的主要部分，S蛋白的差异可导致病毒宿主的更迭，并可使宿主产生感冒、腹膜炎、肠胃炎等多种疾病。
The difference of s protein will not only cause the change of the host but will also lead to the cold, peritonitis, gastroenteritis and many diseases of the host.
结果表明球果害虫主要是杉木球果麦蛾，而杉木扁长蝽等的危害及炭疽菌、散斑壳菌的侵染可导致球果变色。
The results showed that Dichomeris sp. was the main cone pest, but the damage of Sinorsillus piliferus and Gleosporium sp. and Lophodermium sp. can set up discoloration of cones.
可见，VFB是一种良好的植物源病毒抑制剂，可诱导植物产生抗病性，增强对TMV侵染的抵抗力。
VFB could induce the host to have resistance against diseases, and strengthen its antiviral capability to tobacco mosaic tobamovirus(TMV).
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