Data for: Advanced infections by cucurbit yellow stunting disorder virus encourage whitefly vector colonization while discouraging non-vector aphid competitors
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Plant viruses can change hosts in ways that increase vector contacts, virion acquisition, and subsequent vector dispersal to susceptible hosts. Based on this, researchers have proposed that virus-induced phenotypes are the product of adaptations to âmanipulateâ hosts in ways that increase transmission. Theoretical models of virus spread in crops support this proposition; âmanipulativeâ viruses spread faster and to a greater extent. However, both empirical and theoretical studies on manipulation are disproportionately focused on a few persistently transmitted pathogens, and rarely consider the broader ecological implications of virus infections . To address these knowledge gaps, we documented the effects of different stages of infection by an economically devastating, semi-persistently transmitted crinivirus, Cucurbit yellow stunting disorder virus [CYSDV] on Cucumis melo (muskmelon) phenotypes, behavior and performance of whitefly vectors (Bemisia tabaci) and non-vector aphid competitor...
植物病毒可通过改变寄主状态,提升媒介昆虫(vector)与寄主的接触概率、病毒粒子(virion)获取率,以及后续媒介昆虫向感病寄主(susceptible host)的扩散能力。基于此,研究者提出病毒诱导的寄主表型,实为病毒适应宿主、并通过"操控"宿主行为提升自身传播效率的产物。作物病毒传播的理论模型亦佐证了这一假说;具备"操控"能力的病毒传播速度更快、扩散范围更广。然而,当前有关病毒"操控"宿主的实证与理论研究,均过度聚焦于少数持久性传播病原物(persistently transmitted pathogen),极少关注病毒感染所带来的更广泛生态效应。为填补这一研究空白,本研究针对一种经济危害性极强的半持久性传播克里病毒属(Crinivirus)病原——南瓜黄化矮缩病毒(Cucurbit yellow stunting disorder virus, CYSDV),探究其不同感染阶段对甜瓜(Cucumis melo,网纹甜瓜)表型、烟粉虱媒介昆虫(Bemisia tabaci)的行为与生存适合度,以及非媒介蚜虫竞争者(non-vector aphid competitor)的影响……



