首页> 美国卫生研究院文献>Virology Journal >Recombination and pseudorecombination driving the evolution of the begomoviruses Tomato severe rugose virus (ToSRV) and Tomato rugose mosaic virus (ToRMV): two recombinant DNA-A components sharing the same DNA-B
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Recombination and pseudorecombination driving the evolution of the begomoviruses Tomato severe rugose virus (ToSRV) and Tomato rugose mosaic virus (ToRMV): two recombinant DNA-A components sharing the same DNA-B

机译:重组和伪重组驱动begomoviruses番茄重度皱纹病毒(ToSRV)和番茄重糖化花叶病毒(ToRMV)的进化:两个重组DNA-A组分共享相同的DNA-B

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摘要

BackgroundBegomoviruses are dicot-infecting, whitefly-transmitted viruses with a genome comprised of one or two molecules of circular, single-stranded DNA. In Brazil, tomato-infecting begomoviruses have emerged as serious pathogens since the introduction of a new biotype of the insect vector in the mid-1990’s. Tomato rugose mosaic virus (ToRMV) and Tomato severe rugose virus (ToSRV) are often found in tomato fields. The complete sequence of the DNA-B components of ToSRV and ToRMV show an identity of 98.2%. Additionally, the high nucleotide identity (96.2%) between their common regions indicates that these two viruses may share the same DNA-B.
机译:背景球茎病毒是双子叶植物感染的粉虱传播病毒,其基因组由一个或两个分子的环状单链DNA组成。在巴西,自1990年代中期引入新的昆虫载体生物型以来,感染番茄的bemomovirus已成为严重的病原体。番茄皱纹花叶病毒(ToRMV)和严重番茄皱纹病毒(ToSRV)经常在番茄田中发现。 ToSRV和ToRMV的DNA-B组件的完整序列显示出98.2%的同一性。另外,它们共同区域之间的高核苷酸同一性(96.2%)表明这两种病毒可能共享相同的DNA-B。

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