从植物草根植物中获得的真菌微生物群的多样性
Simone Lupini1, Hang N Nguyen2, Demosthenes Morales3
1Department of Biology and Biochemistry, University of Houston, Houston, TX 77004, USA.
The Science of the total environment
|June 9, 2023
概括
这项研究揭示了复杂的细菌群落,与植物草原中的真菌有关. 关键的发现表明,在大多数真菌中,Bacillus是外部细菌,其中一个核心的内共生细菌群可能参与循环.
科学领域:
- 微生物学 微生物学
- 植物科学 植物科学
- 生态生态学 生态生态学
背景情况:
- 微生物群落在各种息地中至关重要,但它们的密切相互作用和功能仍然不太清楚.
- 研究已经广泛研究了微生物息地,但对物种间功能关系的详细见解是有限的.
研究的目的:
- 为了研究在植物草原中同时发生的真菌-细菌相互作用.
- 描述这些微生物伙伴关系的功能作用.
- 识别与不同真菌相关的特定细菌群落.
主要方法:
- 使用植物基介质的真菌高速公路列来隔离真菌-细菌的合作伙伴关系.
- 使用ITS (真菌) 和16SrRNA基因 (细菌) 的测序进行微生物识别.
- 应用统计分析,包括网络分析和PICRUSt2,用于社区可视化和代谢功能评估.
主要成果:
- 与不同的真菌相关的独特和复杂的细菌群体的特征.
- 在80%的真菌中,Bacillus被确定为外部细菌,在15%的真菌中是内分菌.
- 发现了一组潜在参与循环的内分细菌的核心群体,在80%的孤立真菌中存在.
- 代谢分析显示,内共生细菌可能会失去宿主衍生的代谢物通路,同时保留生存通路.
结论:
- 草原中的真菌-细菌相互作用是复杂的和特定于物种的.
- 特定的细菌系,特别是循环中的细菌,与真菌形成核心的内共生关系.
- 代谢适应,包括途径损失和保留,对于在真菌菌中建立内共生关系至关重要.
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