Plants respond to leaf vibrations caused by insect herbivore chewing.
Plants respond to leaf vibrations caused by insect herbivore chewing.
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植物对昆虫食草动物咀嚼引起的叶片振动有反应。
DOI：
10.1007/s00442-014-2995-6
复制
发表时间：
2014-08
期刊：
影响因子：
2.7
通讯作者：
Cocroft, R. B.
中科院分区：
文献类型：
--
作者：
Appel, H. M.;Cocroft, R. B.
关键词：
植物的萌发和生长可以受到声音的影响，但这些反应的生态意义尚不清楚。我们问的声音能量所产生的食草动物昆虫的喂养是由植物检测。我们报告说，昆虫进食引起的振动可以引发化学防御。拟南芥（Arabidopsis thaliana L.）用毛虫取食引起的振动预处理的轮虫，当随后被粉蝶（Pierisraelis（L.）毛虫比未经处理的植物。这些植物还能区分咀嚼引起的振动和风或昆虫鸣叫引起的振动。因此，植物对食草动物产生的振动做出选择性和生态意义的反应。振动信号通路将补充依赖于挥发性、电或韧皮部传播信号的已知信号通路。我们认为，振动可能代表了一种新的长距离信号机制，在植物-昆虫相互作用，有助于系统诱导的化学防御。本文的在线版本（doi：10.1007/s 00442 -014-2995-6）包含补充材料，可供授权用户使用。
Plant germination and growth can be influenced by sound, but the ecological significance of these responses is unclear. We asked whether acoustic energy generated by the feeding of insect herbivores was detected by plants. We report that the vibrations caused by insect feeding can elicit chemical defenses. Arabidopsis thaliana (L.) rosettes pre-treated with the vibrations caused by caterpillar feeding had higher levels of glucosinolate and anthocyanin defenses when subsequently fed upon by Pieris rapae (L.) caterpillars than did untreated plants. The plants also discriminated between the vibrations caused by chewing and those caused by wind or insect song. Plants thus respond to herbivore-generated vibrations in a selective and ecologically meaningful way. A vibration signaling pathway would complement the known signaling pathways that rely on volatile, electrical, or phloem-borne signals. We suggest that vibration may represent a new long distance signaling mechanism in plant–insect interactions that contributes to systemic induction of chemical defenses. The online version of this article (doi:10.1007/s00442-014-2995-6) contains supplementary material, which is available to authorized users.
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