贝叶斯对对构成的洛特卡-沃尔特拉建模推断了潜在的树枝球微生物抑制剂的拉尔斯托尼亚伪日
Gyeongjun Cho1, Do-Hyun Kim1, Jeong-Seon Kim1
1Division of Agricultural Microbiology, National Institute of Agriculture Sciences, Rural Development Administration, Wanju 55365, Korea.
这项研究监测了胡的微生物组,并发现了一个无症状的Ralstonia主导事件. 某些土壤微生物被确定为这种植物病原体的潜在抑制剂.
科学领域:
- 微生物学 微生物学
- 植物病理学 植物病理学
- 生态生态学 生态生态学
背景情况:
- 拉尔斯托尼亚 (Ralstonia solanacearum) 种群复合体 (RSSC) 是一种影响草作物的重要病原体.
- 了解无症状宿主中的RSSC动态对于疾病管理至关重要.
研究的目的:
- 在胡根球中描述无症状的Ralstonia主导地位.
- 在野外条件下识别抑制RSSC生长的微生物相互作用.
主要方法:
- 使用全长16S rRNA amplicon测序 (PacBio) 进行根球和环球微生物组的纵向监测.
- 占主导地位的Ralstonia菌株的遗传学分析.
- 应用贝叶斯对对组成的洛特卡-沃尔特拉 (pcLV) 模型来评估微生物相互作用.
主要成果:
- 一种无症状的Ralstonia菌株 (Sq_1),被确定为R. pseudosolanacearum biovars 3/4,从第3周开始主导了胡根球.
- 拉尔斯托尼亚的丰富性显著影响了树根球的β-多样性.
- 三种细菌种群 (TRA3-20,Bradyrhizobium,Bryyobacter) 被确定为Sq_1生长的潜在抑制剂.
结论:
- 该研究在无症状的胡植物中确定了RSSC的潜在微生物抑制剂.
- 证明了pcLV建模的实用性,用于解决复杂微生物组中的ASV级定向相互作用.
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