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Analysis of plant lectins to protect against different pest insects and identification of receptor(s) in the insect midgut

机译：植物凝集素对不同害虫昆虫的分析及昆虫中肠道受体鉴定

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摘要

Plant lectins are a heterogeneous group of carbohydrate-binding proteins, some of which play a role in plant defence. During the last two decades, numerous reports have been published dealing with the insecticidal activity of plant lectins against many pest insects belonging to the orders Lepidoptera, Coleoptera, Diptera and Homoptera. In this research we tested the detrimental effects of different mannose-binding plant lectins against a typical biting-chewing pest insect, the cotton leafworm Spodoptera littoralis (Lepidoptera; Noctuidae), and also against piercing-sucking insects like the aphids Myzus nicotianae and Acyrthosiphon pisum (Homoptera: Aphidae). The lectins were exposed to the insects via artificial diet and/or via transgenic tobacco plants, expressing the lectin constitutively or in the phloem specifically.
机译：植物凝集素是一种异质碳水化合物结合蛋白质，其中一些在植物防御中发挥作用。在过去的二十年中，已经发表了许多报告，处理了植物凝集素的杀虫活性，针对属于鳞翅目，鞘翅目，Diptera和Homoptera的许多害虫昆虫。在这项研究中，我们测试了不同甘露糖结合植物凝集对抗典型的咬咀嚼虫害的不利影响，棉丝虫蜘蛛植物昆虫（鳞翅目; Noctuidae），以及刺穿昆虫的刺痛昆虫，如蚜虫肌炎尼古斯·尼古斯和acyrthosiphon pisum （Homoptera：蚜草）。通过人工饮食和/或通过转基因烟草植物暴露于昆虫，具体地表达凝集素或在韧胶中表达素。

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