Vector mediated transmission of persistently transmitted plant viruses
Vector mediated transmission of persistently transmitted plant viruses
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媒介介导的持续传播植物病毒的传播
DOI：
10.1016/j.coviro.2017.12.004
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发表时间：
2018-02-01
影响因子：
5.9
通讯作者：
Wei, Taiyun
中科院分区：
文献类型：
--
作者：
Jia, Dongsheng;Chen, Qian;Wei, Taiyun
许多具有农业重要性的病媒植物病毒通过吸汁昆虫在植物之间持续传播。到目前为止，病毒介导的水平传播到植物宿主和垂直传播到昆虫后代的机制还知之甚少。在水平传播过程中，持续传播的病毒利用完整的病毒体或病毒诱导的包涵体来克服中肠和唾液腺屏障。卵黄蛋白原或共生细菌进入卵母细胞的途径可以介导病毒通过雌性昆虫的垂直传播。我们推测，病毒也可能通过雄性昆虫通过附着在精子表面垂直传播。在不利于水平传播的越冬季节，通过昆虫媒介抑制病毒的垂直传播，可能为病毒控制开辟新的前景。
Many vector-borne plant viruses of agricultural importance are persistently transmitted from plant to plant by sap-sucking insects. So far, the mechanisms for vector-mediated horizontal transmission of the viruses to plant hosts and for vertical transmission to insect offspring have been poorly understood. During horizontal transmission, intact virions or virus-induced inclusions are exploited by persistently transmitted viruses to overcome the midgut and salivary gland barriers. The existing oocyte entry paths used by vitellogenin or symbiont bacteria can mediate the vertical transmission of viruses by female insects. We hypothesize that the viruses may also be vertically transmitted by male insects via attachment to the surface of sperm. Inhibiting vertical transmission of the viruses by insect vectors in the overwintering season unfavorable for horizontal transmission may open new perspectives for viral control.