植物与节肢动物相互作用过程中环境 DNA 的沉积量取决于分类群、丰度和相互作用时间

IF 2 3区 农林科学 Q2 ENTOMOLOGY Ecological Entomology Pub Date : 2024-08-13 DOI:10.1111/een.13372
Sarah Friedrich, Mattia De Vivo, Christian Ulrich Baden, Michael E. Grevé, Christian Maus, Thomas Udelhoven, Henrik Krehenwinkel
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引用次数: 0

摘要

环境 DNA(eDNA)代谢编码作为一种检测植物-昆虫相互作用的简单而有效的工具,前景十分广阔。然而,非生物因素和生物因素对这些相互作用中 eDNA 沉积的影响尚不十分清楚。特别是 eDNA 丰度在多大程度上反映了昆虫与植物之间相互作用的频率或强度,还有待检验。我们通过实验分析了三种昆虫(南方绿蝽 Nezara viridula、芥子甲 Phaedon cochleariae 和秋军虫 Spodoptera frugiperda)的 eDNA 在两种具有不同吸引力的寄主植物叶片上的定量沉积情况:大白菜(Brassica oleracea var. sabauda,首选寄主)和番茄(Solanum lycopersicum,次选寄主)。我们测试了昆虫分类、寄主植物、暴露时间和植物材料上相互作用昆虫数量的影响。我们的数据显示,在 eDNA 沉积过程中存在明显的定量生态信号。昆虫丰度和相互作用时间反映在沉积的 eDNA 数量上。此外,沉积在卷心菜(首选寄主植物)上的 eDNA 明显更多。除了这些生态驱动因素外,还观察到不同昆虫类群之间存在非常强烈的分类学 eDNA 沉积偏差。eDNA 检测受到目标类群生态相互作用的强烈影响,这突出表明该工具可用于专门检测植物与节肢动物之间的营养相互作用。然而,eDNA沉积中的分类偏差排除了对群落层面相互作用的比较分析。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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The quantity of deposited environmental DNA in plant–arthropod interactions depends on taxon, abundance and interaction time

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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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