相关实验视频

Updated: Feb 26, 2026

Physiological Recordings and RNA Sequencing of the Gustatory Appendages of the Yellow-fever Mosquito Aedes aegypti

Physiological Recordings and RNA Sequencing of the Gustatory Appendages of the Yellow-fever Mosquito Aedes aegypti

Published on: December 30, 2014

化学传感蛋白调解了烯的替代作用,使其能够Bemisia tabaci

Wenqing Liu^1,2, Huijing Guo¹, Jun Ren³

¹College of Agriculture and Forestry Technology, Hebei North University, Zhangjiakou 075000, China.

Journal of agricultural and food chemistry

|February 25, 2026

概括

特尔皮诺通过与特定的化学传感蛋白 (CSP) 相互作用来驱逐白. 沉默BtabCSP1或BtabCSP12减少了这种驱逐作用,揭示了害虫控制策略的分子基础.

科学领域:

昆虫学昆虫学是一门学科.
分子生物学分子生物学
化学生态化学生态学

背景情况:

特尔皮诺是一种单烯,显示出对白 (Bemisia tabaci) 的驱逐活性.
底层的分子机制白的嗅觉和对terpinolene的反应还没有很好地理解.
化学感知蛋白 (CSP) 是昆虫嗅觉系统的重要组成部分,影响宿主选择.

研究的目的:

阐明Bemisia tabaci如何识别和响应terpinolene的分子基础.
调查化学感知蛋白 (CSP) 在调解烯烯对白的驱逐活性中的作用.

主要方法:

克隆13个贝米西亚烟草CSP (BtabCSP) 基因并评估它们对烯的转录反应.
蛋白质结构预测,分子对接,蛋白质表达和光竞争结合试验,以确定烯-BtabCSP相互作用.
通过RNA干扰 (RNAi) 和Y管嗅法测试,评估BtabCSP1和BtabCSP12在白行为中的功能作用.

主要成果:

BtabCSP1和BtabCSP12表现出强烈的结合亲和力与烯.
沉默BtabCSP1或BtabCSP12显著削弱了烯对贝米西亚烟草的排斥作用.
这些发现凸显了BtabCSP1和BtabCSP12在调解烯烯诱导排斥中的关键作用.

结论:

这项研究揭示了CSP介导的特尔皮诺对贝米西亚烟草的排斥性的分子机制.
BtabCSP1和BtabCSP12是白对terpinolene的嗅觉和行为反应的关键参与者.
为开发基于烯的驱虫剂提供了理论基础,以有效控制白害虫.

关键词:

贝米西亚烟草 (Bemisia tabaci) 是一种烟草.化学感知蛋白质的化学感知蛋白质.功能功能功能功能.偏好行为偏好行为烯烯是一种烯烯.

更多相关视频

Using Single Sensillum Recording to Detect Olfactory Neuron Responses of Bed Bugs to Semiochemicals

Using Single Sensillum Recording to Detect Olfactory Neuron Responses of Bed Bugs to Semiochemicals

Published on: January 18, 2016

Video Tracking Protocol to Screen Deterrent Chemistries for Honey Bees

Video Tracking Protocol to Screen Deterrent Chemistries for Honey Bees

Published on: June 12, 2017

相关概念视频

Chemotaxis in E. coli

Chemotaxis in E. coli

Chemotaxis in Escherichia coli is a sensory-driven motility mechanism that enables bacteria to navigate chemical gradients, moving toward beneficial environments while avoiding harmful conditions. This process relies on a signal transduction system integrating external chemical cues with flagellar motor control.Chemoreceptors and Signal DetectionE. coli detects chemical gradients through methyl-accepting chemotaxis proteins (MCPs), which are membrane-bound chemoreceptors that sense attractants...

Chemotaxis and Direction of Cell Migration

Chemotaxis and Direction of Cell Migration

Cells can detect chemical cues in their environment and reorganize the cytoskeleton to migrate toward them or away from them. This directional migration, called chemotaxis, is essential during embryogenesis and development, immune response, tissue repair and regeneration, and reproduction. These chemical cues can either attract or repel the cell's movement. For example, axon development is determined by a combination of chemoattractants and chemorepellents that direct the growing axon...