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通过蛋上的便链传递微生物会影响叶甲虫微生物组的动态.

Yueqing An1, Sarahi L Garcia1,2, Peter A Hambäck1

  • 1Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Stockholm County, Sweden.

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概括

便串有助于肠道细菌在Galerucella甲虫中的转移. 这种方法稳定了昆虫生命阶段的肠道微生物群多样性,与缺乏这种特征的物种不同.

关键词:
16S RNA 是一个 16S RNA 的类型.我们的肠道微生物组.微生物生态学 微生物生态学

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科学领域:

  • 昆虫微生物学 昆虫微生物学
  • 微生物生态学 微生物生态学
  • 进化生物学是进化的生物学.

背景情况:

  • 变形显著影响昆虫的肠道微生物群.
  • 专门的传播途径对于宿主生命阶段之间的微生物群殖民至关重要.
  • *Galerucella*属的卵子表现出不同的母体便串沉积行为.

研究的目的:

  • 研究不同微生物转移机制如何影响昆虫生命阶段的肠道微生物社区动态.
  • 为了比较*Galerucella*种类的肠道微生物群稳定性,有或没有便串沉积.
  • 了解母体供应在昆虫肠道微生物组建立中的作用.

主要方法:

  • 16S rRNA基因扩增序列测序用于分析肠道微生物群落.
  • 在幼虫,幼和成年阶段对肠道微生物群落的比较分析.
  • 研究了五种不同于便串行为的 *Galerucella* 种类.

主要成果:

  • 肠道微生物群的α-多样性在便链沉积物种的生命阶段中更稳定.
  • 观察到一致的物种间微生物群差异,在所有生命阶段都有几种种类.
  • 便串沉积似乎有助于肠道细菌的稳定垂直转移.

结论:

  • 母体便串在维护肠道细菌多样性和Galerucella*的动态方面发挥着关键作用.
  • 便串沉积增强了昆虫世代之间肠道微生物的垂直传播.
  • 非便链置物种依赖于微生物组建立的替代性,效率较低的传播途径.