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营养质量调节 pea aphids 的产后翅膀形态.

Xi Wang1, Zhi-Fu Liu1, Ming-Zhen Pan1

  • 1Shandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao 266109, China.

Journal of insect physiology
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概括

豆 (Acyrthosiphon pisum) 可以根据饮食改变出生后的翅膀发育. 糖,可能是通过胰岛素信号,影响这种产后翅膀的决定,而不是氨基酸或TOR信号.

关键词:
亚齐尔托西福尼皮萨姆 (Acyrthosiphon pisum) 是一个名字.葡萄糖是一种葡萄糖.胰岛素是一种胰岛素.营养质量质量 营养质量这就是TOR Tor.翅膀的二重形态化

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科学领域:

  • * 昆虫生物学 昆虫生物学
  • * 发育可塑性 发育可塑性
  • * 营养信号传递途径

背景情况:

  • * 虫表现出表型的可塑性,根据环境暗示,产生有翅膀或没有翅膀的后代.
  • *宿主植物营养是影响虫翅膀形态的已知因素.
  • * 了解这种可塑性的机制对于虫种群动态至关重要.

研究的目的:

  • * 为了研究饮食成分在生后翅膀形状的确定中对豆虫 (Acyrthosiphon pisum) 的作用.
  • * 探索营养感应通路的参与,特别是胰岛素和拉巴胺素 (TOR) 信号的目标,在调节翅膀发育方面.
  • * 确定负责饮食诱导的翅膀可塑性的关键营养因素.

主要方法:

  • *在宿主植物上养的豆虫中,与人工饮食相比,翅膀形态比例的比较.
  • *分析不同饮食条件下的虫的关键营养水平 (葡萄糖,氨基酸) 和信号通路活性 (胰岛素,TOR).
  • *对食成分和信号通路抑制剂 (拉帕米) 的实验性操纵,以评估它们对翅膀发育的影响.

主要成果:

  • * 豆在人工养下,与宿主植物相比,产生了更多的有翅膀的后代.
  • *产后转移到人工饮食诱导了翅膀的发育,表明发育灵活性.
  • *在人工饮食中观察到较高的葡萄糖水平和胰岛素信号,而氨基酸水平和TOR信号较低.
  • * 饮食中的糖含量,而不是氨基酸含量或TOR活性,与增加的翅膀形态生成相关.

结论:

  • * 营养质量,特别是糖含量,在调节豆中产后翅膀形态的决定方面起着至关重要的作用.
  • *胰岛素信号通路被认为是饮食诱导的翅膀可塑性的关键调解者.
  • *这些发现提供了关于环境影响昆虫发育和适应的分子机制的见解.