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首页> 外文期刊>The New Phytologist >Host-specific salivary elicitor(s) of European corn borer induce defenses in tomato and maize
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Host-specific salivary elicitor(s) of European corn borer induce defenses in tomato and maize

机译：欧洲玉米bore的宿主特异性唾液激发子诱导番茄和玉米的防御

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摘要

Plants turn on induced defenses upon insect herbivory. In the current study, we evaluated the role of European corn borer (ECB) elicitors (molecules secreted by herbivores) that either induce/ suppress defenses in Solanum lycopersicum (tomato) and Zeamays (maize), two very important crop plants that are grown for food and/or fuel throughout the world. We used a combination of molecular, biochemical, confocal and scanning electron microscopy, caterpillar spinneret ablation/cauterization, and conventional insect bioassay methods to determine the role of ECB elicitors in modulating defenses in both tomato and maize crop plants. Our results clearly demonstrate that the components present in the ECB saliva induce defense-related proteinase inhibitors inboth tomato (PIN2) and maize (A/IP/). Presence of glucose oxidase in the ECB saliva induced defenses in tomato, but not in maize. However, ECB saliva induced genes present in the jasmonic acid biosynthesis pathway in both tomato and maize. Although ECBsaliva can induce defenses in both tomato and maize, our results suggest that host-specific salivary components are responsible for inducing host plant defenses. Proteomic analysis of ECB salivary elicitors and plant receptors/signaling mechanisms involved in recognizing different ECB elicitors remains to be determined.
机译：植物开启了对昆虫食草的诱导防御。在当前的研究中，我们评估了欧洲玉米bore（ECB）引发剂（草食动物分泌的分子）的作用，它们可以诱导/抑制番茄（茄子）和玉米（玉米）这两种非常重要的农作物生长和防御。全世界的食物和/或燃料。我们结合了分子，生化，共聚焦和扫描电子显微镜，毛毛虫喷丝头烧蚀/烧灼以及常规昆虫生物测定方法的组合，以确定ECB激发子在调节番茄和玉米作物植物防御中的作用。我们的结果清楚地表明，ECB唾液中存在的成分在番茄（PIN2）和玉米（A / IP /）中均诱导了与防御相关的蛋白酶抑制剂。 ECB唾液中存在葡萄糖氧化酶可诱导番茄防御，而不是玉米。但是，ECB唾液诱导的基因存在于番茄和玉米的茉莉酸生物合成途径中。尽管ECBsaliva可以在番茄和玉米中诱导防御，但我们的结果表明，宿主特定的唾液成分负责诱导宿主植物防御。对ECB唾液激发子和识别不同ECB激发子所涉及的植物受体/信号传导机制的蛋白质组学分析仍有待确定。

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