解读微生物对绿色潮爆发的反应机制:多样性,组装过程和并发模式
Yurou Jiang1, Wangxinze Shu2, Furong Cao3
1MoE Key Laboratory of Evolution and Marine Biodiversity, Ocean University of China, Qingdao, 266003, China; Fisheries College, and Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, China.
Harmful algae
|August 20, 2025
概括
绿色潮扰乱了沿海微生物群落,将组装从决定性转变为随机的过程. 这会影响营养循环和生态系统的稳定性,对生物地化学过程产生影响.
科学领域:
- 海洋微生物学 海洋微生物学
- 沿海生态 沿海生态
- 生物地质化学生物地质化学
背景情况:
- 绿色潮是影响近海微生物生态的重要沿海环境问题.
- 了解微生物社区的动态和在绿色潮事件期间的聚集是至关重要的,但尚未确立.
研究的目的:
- 在绿色潮事件期间调查 prokaryotic 和微核细胞社区的多样性,组成和生态动态.
- 阐明微生物群落在应对绿色潮时的聚集机制.
- 评估绿色潮对微生物网络稳定性和生物地质化学循环的影响.
主要方法:
- 使用高通量测序来分析微生物群落.
- 使用并发网络分析来评估微生物网络的结构和稳定性.
- 进行了功能预测分析,以推断潜在的代谢转变.
主要成果:
- 在绿色潮期间, Prokaryotic 社区组合是决定性的,转变为花开后的随机组合;微核细胞组合仍然是决定性的.
- 绿潮爆发减少了微生物网络的连接性和模块化,降低了生态系统的稳定性.
- 功能预测表明甲氧化,固定,化和脱化过程发生了变化.
- 增加dddL基因丰度表明增强二甲基硫化物 (DMS) 生产,影响硫循环.
- 绿色潮促进了合成和铁氧化.
结论:
- 绿色潮显著改变了沿海生态系统中的微生物社区聚集和网络稳定性.
- 这些事件对包括碳,和硫在内的关键生物地球化学循环产生深远影响.
- 这项研究提供了关键的微生物数据和对绿色潮的生态反应的见解.
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