在弱电场下增强Phytophthora palmivora动物的发芽和电动行为
Eleonora Moratto1, Stephen Rothery1, Tolga O Bozkurt1
1Department of Life Sciences, Imperial College London, London, United Kingdom.
Physical biology
|July 13, 2023
概括
植物病原体如Phytophthora palmivora使用电场来导航. 这项研究表明,电场引导动物胞的运动和发芽,帮助根植殖.
科学领域:
- 植物病理学 植物病理学
- 微生物生态学 微生物生态学
- 电子生理学 电子生理学
背景情况:
- 土壤微生物利用环境信号进行导航.
- 植物根产生内源电场,可能引导病原体.
- 在实验室中,Phytophthora palmivora动物体表现出电作用.
研究的目的:
- 量化描述Phytophthora palmivora动物的3D电动行为.
- 为了研究电场对动物胞结晶,发芽和生殖管生长的影响.
- 评估植物电场在病原体宿主向中的作用.
主要方法:
- 在受控电场 (0.7-1.0 V cm-1) 中对Phytophthora palmivora动物的3D跟踪.
- 在暴露于电场下的动物包裹率的评估.
- 基于显微镜的动物芽和生殖管方向的分析.
主要成果:
- 弱电场 (0.7-1.0 V cm-1) 诱导动物子在正极积累,而不会影响囊.
- 外部电场增加了动物子的发芽率.
- 电场引导了生殖管的生长方向.
结论:
- 在Phytophthora palmivora的早期感染阶段受到外部电场的影响.
- 电是Phytophthora palmivora宿主向的一个可行的机制.
- 植物内源电场可能在病原体与植物相互作用中发挥重要作用.
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