Bunyavirales are negative-sense segmented RNA viruses infecting arthropods, protozoans, plants, and animals. This study examines the phylogenetic relationships of plant viruses within this order, many of which are recently classified species. Comprehensive phylogenetic analyses of the viral RNA dependent RNA polymerase (RdRp), precursor glycoprotein (preGP), the nucleocapsid (N) proteins point toward common progenitor viruses. The RdRp of Fimoviridae and Tospoviridae show a close evolutional relationship while the preGP of Fimoviridae and Phenuiviridae show a closed relationship. The N proteins of Fimoviridae were closer to the Phasmaviridae, the Tospoviridae were close to some Phenuiviridae members and the Peribunyaviridae. The plant viral movement proteins of species within the Tospoviridae and Phenuiviridae were more closely related to each other than to members of the Fimoviridae. Interestingly, distal ends of 3′ and 5′ untranslated regions of species within the Fimoviridae shared similarity to arthropod and vertebrate infecting members of the Cruliviridae and Peribunyaviridae compared to other plant virus families. Co-phylogeny analysis of the plant infecting viruses indicates that duplication and host switching were more common than co-divergence with a host species.

中文翻译：

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家庭级别的系统发育揭示了Bunyavirales订单中植物病毒的关系。

Bunyavirales是感染节肢动物，原生动物，植物和动物的负义分段RNA病毒。这项研究检查了按此顺序排列的植物病毒的系统发育关系，其中许多是最近分类的物种。病毒RNA依赖性RNA聚合酶（RdRp），前体糖蛋白（preGP）和核衣壳（N）蛋白的全面系统发育分析指向常见的祖细胞病毒。Fimoviridae和Tospoviridae的RdRp显示密切的进化关系，而Fimoviridae和Phenuiviridae的preGP显示密切的关系。Fimoviridae的N蛋白更接近于Phasmaviridae。Tospoviridae与某些Phenuiviridae成员和Peribunyaviridae接近。Tospoviridae和Phenuiviridae内的物种的植物病毒运动蛋白之间的相互关系更为紧密，而与Fimoviridae的成员之间的关系更紧密。有趣的是，Fimoviridae内物种的3'和5'非翻译区的远端与Cruliviridae和Peribunyaviridae的节肢动物和脊椎动物感染成员共享相似性与其他植物病毒家族相比。对植物感染病毒的共系统分析表明，复制和宿主切换比与宿主物种的共同散布更为普遍。