在草菌生物组中,神秘的功能多样性
Cedric Ndinga-Muniania1,2, Nicholas Wornson3,4, Michael R Fulcher5
1Plant and Microbial Biology Graduate Program, University of Minnesota, St. Paul, Minnesota, United States of America.
PloS one
|July 20, 2023
概括
草原草中的真菌内植物表现出隐藏的功能多样性. 这些与植物相关的真菌表现出明显的生长率和碳资源利用率,影响宿主环境相互作用.
科学领域:
- 微生物生态学 微生物生态学
- 植物与真菌的相互作用
- 生态学和进化论 在生态学和进化论
背景情况:
- 单核宿主拥有多样化的微生物组,影响宿主健康和环境反应.
- 真菌内菌是植物微生物组的关键组成部分,但它们的功能特征多样性仍未得到充分探索.
- 了解这些特征对于阐明宿主环境相互作用至关重要.
研究的目的:
- 从草原草地 *Andropogon gerardii* *中分离并分类学上表征真菌内植物.
- 为了研究这些真菌内植物在碳资源利用和生长中的功能多样性.
- 分析真菌内生菌群落的遗传结构,与它们的功能特征相关.
主要方法:
- 采用了两种培养技术,从Andropogon gerardii*中分离真菌内细胞.
- 使用rDNA条形码测序用于分类学多样性评估.
- 评估碳化合物资源使用和孤立真菌子集的生长模式.
- 应用社区遗传学分析,将分类学与功能联系起来.
主要成果:
- 在 *A. gerardii* 范围内确定了基因组学上不同的真菌内生菌群落.
- 发现了缓慢和快速生长的真菌组合,使用不同碳基板.
- 揭示了碳资源使用和增长战略中以前未被描述的功能多样性.
- 在真菌内生菌群体中证明了基因关系和功能特征之间的联系.
结论:
- 在 *A. gerardii* 中的真菌内生菌群体中,存在着显著的神秘功能多样性.
- 遗传学结构影响这些内生植物群体的功能特征,如碳使用和生长.
- 这种功能多样性对宿主健康和生态系统过程有影响.
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