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4-VinyIanisole is an aggregation pheromone in locusts

机译：4- vinyianisole是蝗虫的聚集信息素

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摘要

Locust plagues threaten agricultural and environmental safety throughout the world(1,2). Aggregation pheromones have a crucial role in the transition of locusts from a solitary form to the devastating gregarious form and the formation of large-scale swarms(3,4). However, none of the candidate compounds reported(5-7)meet all the criteria for a locust aggregation pheromone. Here, using behavioural assays, electrophysiological recording, olfactory receptor characterization and field experiments, we demonstrate that 4-vinylanisole (4VA) (also known as 4-methoxystyrene) is an aggregation pheromone of the migratory locust (Locusta migratoria). Both gregarious and solitary locusts are strongly attracted to 4VA, regardless of age and sex. Although it is emitted specifically by gregarious locusts, 4VA production can be triggered by aggregation of four to five solitary locusts. It elicits responses specifically from basiconic sensilla on locust antennae. We also identified OR35 as a specific olfactory receptor of 4VA. Knockout of OR35 using CRISPR-Cas9 markedly reduced the electrophysiological responses of the antennae and impaired 4VA behavioural attractiveness. Finally, field trapping experiments verified the attractiveness of 4VA to experimental and wild populations. These findings identify a locust aggregation pheromone and provide insights for the development of novel control strategies for locusts.4-Vinylanisole, which is emitted by gregarious locusts or as a result of aggregation of solitary locusts, is identified as an aggregation pheromone that strongly attracts both solitary and gregarious locusts, acting via the olfactory receptor OR35.
机译：蝗虫瘟疫在全世界威胁农业和环境安全（1,2）。聚集信息素在蝗虫的转变中具有至关重要的作用，从孤立形式到毁灭性的血腥形式和大规模群（3,4）的形成。然而，没有报告的候选化合物（5-7）符合蝗虫聚集信息素的所有标准。这里，使用行为测定，电生理记录，嗅觉受体表征和现场实验，我们证明了4-乙烯基吲哚（4VA）（也称为4-甲氧基苯乙烯）是迁移蝗虫（Locusta Migraria）的聚集信息素。无论年龄和性别如何，血资和孤独的蝗虫都强烈吸引到4VA。虽然它是由血型蝗虫专门发射的，但是可以通过四到五个孤立蝗虫的聚集来触发4VA的生产。它引发了特别是来自蝗虫天线的碱性Sensilla的反应。我们还将OR35鉴定为4VA的特定嗅觉受体。使用CRISPR-CAS9敲除OR35显着降低了天线的电生理响应和4VA行为吸引力受损。最后，现场捕获实验验证了4VA对实验和野生种群的吸引力。这些发现鉴定了蝗虫聚集信息素，并为蝗虫开发的新型控制策略提供了洞察的见解.4-乙烯基蝙蝠，其被胫骨蝗虫发出或作为孤立蝗虫的聚集，被鉴定为强烈吸引的聚集信息素孤独和血汗蝗虫，通过嗅觉受体或35作用。

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  • 来源
    《Nature》 |2020年第7822期|584-588|共5页
  • 作者

    Guo Xiaojiao; Yu Qiaoqiao; Chen Dafeng; Wei Jianing; Yang Pengcheng; Yu Jia; Wang Xianhui; Kang Le;

  • 作者单位

    Chinese Acad Sci Inst Zool State Key Lab Integrated Management Pest Insects Beijing Peoples R China|Univ Chinese Acad Sci CAS Ctr Excellence Biot Interact Beijing Peoples R China;

    Chinese Acad Sci Inst Zool State Key Lab Integrated Management Pest Insects Beijing Peoples R China|Univ Chinese Acad Sci CAS Ctr Excellence Biot Interact Beijing Peoples R China;

    Chinese Acad Sci Inst Zool State Key Lab Integrated Management Pest Insects Beijing Peoples R China;

    Chinese Acad Sci Inst Zool State Key Lab Integrated Management Pest Insects Beijing Peoples R China;

    Chinese Acad Sci Beijing Inst Life Sci Beijing Peoples R China;

    Chinese Acad Sci Inst Zool State Key Lab Integrated Management Pest Insects Beijing Peoples R China;

    Chinese Acad Sci Inst Zool State Key Lab Integrated Management Pest Insects Beijing Peoples R China|Univ Chinese Acad Sci CAS Ctr Excellence Biot Interact Beijing Peoples R China;

    Chinese Acad Sci Inst Zool State Key Lab Integrated Management Pest Insects Beijing Peoples R China|Univ Chinese Acad Sci CAS Ctr Excellence Biot Interact Beijing Peoples R China|Chinese Acad Sci Beijing Inst Life Sci Beijing Peoples R China|Hebei Univ Coll Life Sci Baoding Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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