搭便车：媒介取食与病毒传播。
Hitching a ride: Vector feeding and virus transmission.
作者信息
Stafford Candice A, Walker Gregory P, Ullman Diane E
出版信息
Commun Integr Biol. 2012 Jan 1;5(1):43-9. doi: 10.4161/cib.18640.
Abstract
The majority of plant viruses rely on insect vectors for transmission. Insects with piercing-sucking mouthparts are the most common and efficient vectors because, they are able to inject viruses into specific plant tissues. Acquisition and inoculation of viruses occurs during specific vector feeding behaviors, and feeding behavior varies greatly among insects with piercing-sucking mouthparts. In this review we provide an overview of the feeding behavior of the major insect vectors with piercing sucking mouthparts: aphids, whiteflies, mealybugs, hoppers, and thrips. We briefly review the different mechanisms of plant virus transmission by these insects, and discuss how each mechanism requires a vector that engages in specific feeding behaviors, and how differences in feeding behavior among these insects can determine which viruses they are capable of transmitting. We also discuss recent findings indicating that plant viruses can directly modify their vector's behavior in a way that enhances transmission to a host plant.
摘要
大多数植物病毒依靠昆虫媒介进行传播。具有刺吸式口器的昆虫是最常见且高效的媒介，因为它们能够将病毒注入特定的植物组织。病毒的获取和接种发生在特定的媒介取食行为过程中，而具有刺吸式口器的昆虫之间的取食行为差异很大。在本综述中，我们概述了具有刺吸式口器的主要昆虫媒介的取食行为：蚜虫、粉虱、粉蚧、叶蝉和蓟马。我们简要回顾了这些昆虫传播植物病毒的不同机制，并讨论了每种机制如何需要一种进行特定取食行为的媒介，以及这些昆虫之间取食行为的差异如何决定它们能够传播哪些病毒。我们还讨论了最近的研究结果，这些结果表明植物病毒可以直接改变其媒介的行为，从而增强向寄主植物的传播。
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