在传统的谷物发酵生态系统中,丰富的和罕见的种类的独特的家族遗传模式和组装过程
Mingye Peng1, Bo Li1, Yunli Zhu1
1Hubei Key Laboratory of Industrial Microbiology, Cooperative Innovation Center of Industrial Fermentation (Ministry of Education & Hubei Province), Key Laboratory of Fermentation Engineering (Ministry of Education), National "111" Center for Cellular Regulation and Molecular Pharmaceutics, Hubei University of Technology, Wuhan, Hubei, 430068, China.
International journal of food microbiology
|November 20, 2025
概括
在中国酸发酵中的造微生物显示出不同的组装机制. 丰富的细菌使用决定性过程,而罕见的细菌依赖于随机过程,分别受到pH和乙醇的影响.
科学领域:
- 微生物学 微生物学
- 发酵科学 发酵科学
- 食品科学 食品科学 食品科学
背景情况:
- 造微生物对于中国传统发酵食品,特别是谷物至关重要.
- 在酸发酵中细菌群体的组合尚未完全理解,特别是丰富的和罕见的种类之间的差异.
研究的目的:
- 分析江芳香发酵中丰富和罕见的细菌种群的遗传学利基分布,社区聚集和环境驱动因素.
主要方法:
- 对遗传学利基分布的系统分析.
- 使用中立理论模型评估社区集会过程.
- 确定关键的环境驱动因素 (pH,乙醇).
主要成果:
- 丰富的种类比罕见的种类具有更广泛的生态利基和较低的基因组分类.
- 罕见的种群表现出更强的遗传信号和更广泛的环境响应值.
- 确定性过程 (同质选择) 主导着丰富的种群组合;随机过程驱动着罕见的种群组合.
结论:
- pH 和乙醇是影响丰富和罕见细菌分类组合的关键环境因素.
- 这些发现为复杂的发酵生态系统中的微生物适应提供了新的见解.
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