病原性侵入性微生物Trichoderma pleuroticola在Auricularia角膜作物生产系统中改变了细菌和真菌社区的多样性
Lei Ye1,2, Bo Zhang1, Lingzi Zhang2
1Sichuan Institute of Edible Fungi, Chengdu, China.
Frontiers in microbiology
|November 29, 2023
概括
致病性真菌Trichoderma pleuroticola破坏了可食用的生产中的微生物群. 这项研究揭示了关键的微生物转移和代谢途径,与果肉腐烂有关,在Auricularia角膜作物中.
科学领域:
- 微生物学 微生物学
- 植物病理学 植物病理学
- 农业科学 农业科学
背景情况:
- 可食用生产系统的微生物群对于作物健康和产量至关重要.
- 了解像Trichoderma pleuroticola这样的致病微生物如何影响这种微生物群,对于在Auricularia角膜种植中进行疾病管理至关重要.
研究的目的:
- 调查Trichoderma pleuroticola入侵对Auricularia角膜生产系统中的微生物组合和功能的影响.
- 识别与致病性感染相关的微生物生物标志物,并了解它们在水果体腐烂中的作用.
主要方法:
- 甲基因组测序用于分析不同生长阶段和样本类型 (人工床干和果实体) 的微生物群落.
- 在健康和患病样本之间进行了比较分析,以确定显著的微生物和功能变化.
主要成果:
- 皮虫 (Trichoderma pleuroticola) 在人造床和果实体中显著改变了微生物多样性和组成.
- 在患病的和健康的果实体中观察到不同的微生物组成,而床上树木中的核心微生物群保持相对稳定.
- 特定的细菌 (Pseudomonas,Pandoraea) 和真菌属 (Sarocladium,Cephalotrichum,Aspergillus,Mortierella) 被确定为生病体中的生物标志物.
- 疾病体内的高调代谢途径,包括多素耐药性和各种降解途径,与加速水果腐烂有关.
结论:
- 在Auricularia角膜作物中,Trichoderma pleuroticola在疾病发展的早期阶段起着至关重要的作用.
- 挥发性核心微生物组可能会加速T. pleuroticola诱导的果实体的衰变,突出干预的潜在目标.
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