Exploring spatial and temporal patterns of viral infection across populations of the Melissa blue butterfly

IF 2 3区 农林科学 Q2 ENTOMOLOGY
Kelli J. McKeegan, Nadya D. Muchoney, Mike B. Teglas, Matthew L. Forister, Angela M. Smilanich
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Abstract

Abstract Image

Abstract Image

探索梅丽莎蓝蝴蝶种群间病毒感染的时空模式
识别自然系统中病原体感染的模式对于理解宿主-病原体相互作用的机制至关重要。本研究探讨了两种寄主植物对梅利莎蓝蝴蝶(Lycaeides Melissa: Lycaenidae)种群中Junonia coenia densovirus (JcDV)感染的时空变化规律。筛选来自多个种群和年份的L. melissa成虫,以及宿主植物组织和在宿主植物上发现的节肢动物群落样本,以确定JcDV的流行和负荷。此外,我们在单个L. melissa飞行季节的多个时间点取样,以调查感染模式的年内变化。我们发现,在不同的采集年份,L. melissa的病毒流行率存在群体特异性差异,历史样本的病毒流行率可能高于当代样本,尽管寄主植物饮食对这些模式没有提供信息。在一个飞行季节中,跨多代的感染模式表明,季末样本中JcDV阳性个体的比例更高,这表明病毒在整个季节中积累。来自JcDV衣壳基因片段的序列数据显示,在不同地点收集的L. melissa之间缺乏病毒遗传多样性,并且在周围环境中几乎没有发现病毒颗粒。我们发现感染的时间变化表明,在描述病原体在多伏特宿主中的流行时,必须进行多次采样。我们的发现为进一步探索野生昆虫种群中介导疾病流行和宿主特异性感染变异的生态因素迈出了重要的第一步。
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来源期刊
Ecological Entomology
Ecological Entomology 生物-昆虫学
CiteScore
4.90
自引率
4.50%
发文量
94
审稿时长
3 months
期刊介绍: Ecological Entomology publishes top-quality original research on the ecology of insects and related invertebrate taxa. Our aim is to publish papers that will be of considerable interest to the wide community of ecologists who are motivated by ecological or evolutionary theory. The suitability of a manuscript will usually be assessed within 5 days. We publish full-length Original Articles as well as Reviews, Short Communications, Methods and Natural History papers. In Original Articles, we greatly prefer papers that test specific hypotheses and which have a high degree of novelty. All categories aim for innovative contributions that advance the subject of ecological entomology.
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