基准编码分析揭示了微生物组结构,并预测了葡萄藤中由Phyllosticta ampelicida挑战的功能转变
P R Oliveira-Pinto1,2, J Oliveira-Fernandes3,4,5, D Gramaje6
1Department of Biology, Faculty of Sciences, University of Porto, 4169-007, Porto, Portugal. up201606827@edu.fc.up.pt.
Microbial ecology
|November 9, 2025
概括
葡萄藤黑腐病 (BRD) 改变了叶子微生物,减少了丰富性,但可能会招募有益的细菌. 有症状的植物也表现出抗生素耐药性基因增加,造成健康问题.
科学领域:
- 植物病理学 植物病理学
- 微生物学 微生物学
- 农业生态系统科学 农业生态系统科学
背景情况:
- 由Phyllosticta ampelicida引起的黑色腐烂病 (BRD) 威胁着全球葡萄生产.
- 葡萄树叶微生物群在疾病耐药性中的作用尚不清楚.
研究的目的:
- 描述葡萄藤植物圈微生物群的结构.
- 确定与BRD相关的微生物转移.
- 调查植物健康和人类健康的潜在影响.
主要方法:
- 在葡萄牙采样健康和BRD症状的"Touriga Nacional"葡萄树.
- 来自叶片样本的形细菌DNA的下一代测序 (NGS).
- 微生物多样性,丰富性,网络结构和功能基因的分析.
主要成果:
- 带有BRD症状的葡萄树显示OTU丰度降低和微生物网络组合的显著转变.
- 在患病的植物中观察到的Acinetobacter和其他种群的相对丰度增加.
- 有症状的植物表现出更高的抗生素耐药性相关的KEGG正义词 (KOS).
结论:
- 菲洛斯蒂克塔 (Phyllosticta ampelicida) 感染会导致葡萄藤植物圈细菌群体的显著变化.
- 微生物群的变化可能表明对生物压力的反应,这可能对疾病管理产生潜在影响.
- 病变植物中抗生素耐药性基因的患病率增加需要进一步调查,因为这可能会对人类健康造成风险.
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