肠道微生物社区的可塑性作为气候盾牌,调解海黄瓜对海洋酸化和变暖的抵抗力
Encui Shan1,2,3, Zhenglin Yu1,4, Xiao Cong1,4
1Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, Shandong Province, P. R. China.
ISME communications
|November 11, 2025
概括
像海黄这样的海洋动物通过改变它们的肠道微生物和代谢物来适应海洋酸化和变暖. 这种微生物组介导的弹性是海洋生态系统面临气候变化的关键.
科学领域:
- 海洋生物学 海洋生物学
- 生态生态学 生态生态学
- 微生物学 微生物学
背景情况:
- 海洋酸化 (OA) 和海洋变暖 (OW) 威胁到海洋生态系统和盆地生物.
- 海对于营养循环和沉积物健康至关重要,但它们的压力反应尚未完全理解.
- 现有的研究往往忽视了肠道微生物群落和代谢物在适应中的作用.
研究的目的:
- 为了研究海黄瓜*Apostichopus japonicus*对OA和OW的适应反应.
- 在气候变化压力因素的结合下,分析肠道微生物群落和代谢特征的变化.
- 阐明肠道微生物群在全生物体适应海洋酸化和变暖中的作用.
主要方法:
- 在一个中宇宙实验中利用了综合肠道微生物组和代谢学方法.
- 分析了海 *Apostichopus japonicus* 对模拟海洋酸化和变暖的反应.
- 用于微生物社区分析的高通量测序和用于代谢分析的质谱学.
主要成果:
- 海洋变暖将肠道微生物群重组为耐热的种群,而酸化丰富了性调节细菌.
- 代谢分析显示了氨基酸衍生物的增加 (例如,N-甲基酸,γ-氨基) 和抑制的抗氧化代谢物.
- 微生物社区的转移是机械解释的代谢物变化,将*Vibrio* spp.联系在一起. 扩散到 lysine 代谢和 Bacteroidetes 减少到 L-homocystine 降低调节.
结论:
- 肠道微生物社区的可塑性对于海黄适应气候压力因素的协同作用至关重要.
- 代谢途径转变为优先考虑耐热性 (OW) 或性调节 (OA) 而不是氧化应激防御.
- 微生物组介导的弹性强调了肠道微生物群在海洋生态系统适应全球气候变化的重要性.
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