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首页> 外文期刊>Biology Bulletin >Effect of Tobacco Mosaic Virus Strains on the Ultrastructure of Tobacco Leaf Parenchymal Cells
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Effect of Tobacco Mosaic Virus Strains on the Ultrastructure of Tobacco Leaf Parenchymal Cells

机译:烟草花叶病毒株对烟草叶片实质细胞超微结构的影响

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Accumulation of considerable amounts of viral particles has been demonstrated in parenchymal cells of young leaves in tobacco cultivar Samsun systemically infected with any of studied tobacco mosaic virus (TMV) strains isolated from pepper (TMV-p), tomato (TMV-t), and eggplant (TMV-e). Abnormal (swollen and thin) virions were found, which points to their destruction. Cell infection with all studied strains was accompanied by the activation of the lysosomal compartment manifested as formation of nascent dictyosomes, elements of smooth endoplasmic reticulum, cytoplasmic vacuoles, various vesicles, invaginated mitochondria, and mul-tivesicular bodies. The studied viral strains could be arranged in the following sequence according to the degree of lysosomal compartment stimulation and induction of intracellular lytic processes mediating the destruction of viral particles and cell structures: TMV-p > TMV-e > TMV-t.
机译:烟草品种Samsun系统感染了从胡椒(TMV-p),番茄(TMV-t)和茄子(TMV-e)。发现异常(肿胀和稀薄)病毒体,这表明它们已被破坏。所有研究菌株的细胞感染都伴随着溶酶体区室的活化,表现为新生的双体的形成,平滑的内质网,细胞质的液泡,各种囊泡,线粒体的侵染和多泡体。根据溶酶体区室刺激的程度和介导介导病毒颗粒和细胞结构破坏的细胞内裂解过程的诱导,可以按以下顺序排列所研究的病毒株:TMV-p> TMV-e> TMV-t。

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