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Satellite tobacco mosaic virus.

机译:卫星烟草花叶病毒。

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Satellite tobacco mosaic virus (STMV) is a small, spherical ssRNA virus common in a natural wild plant, Nicotiana glauca or tree tobacco, in southern California, USA, and is one of the best-studied satellite viruses. It is the only satellite virus that has rod-shaped viruses (tobamoviruses) for its helper. In addition to describing the general properties of STMV, this review focuses on (a) the structural properties of the virus particle including the RNA within the particle that is partially doublestranded; (b) the genetic diversity within the type strain before and after serial passage and between different field isolates; (c) the effect of experimental mutation on infectivity, replication and symptomatology; and (d) the genetic changes that occur when the satellite virus adapts to different helper tobamoviruses.
机译:卫星烟草花叶病毒(STMV)是一种小的球形ssRNA病毒,常见于美国南加州的天然野生植物烟草(Nicotiana glauca)或树木烟草中,并且是研究最多的卫星病毒之一。它是唯一具有杆状病毒(烟草花叶病毒)作为辅助工具的卫星病毒。除了描述STMV的一般特性外,本综述着重于(a)病毒颗粒的结构特性,包括部分双链的颗粒内的RNA; (b)在连续传代之前和之后以及在不同田间分离株之间,该菌株内部的遗传多样性; (c)实验突变对传染性,复制和症状的影响; (d)卫星病毒适应不同的辅助烟草花叶病毒时发生的遗传变化。

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