岩石珊瑚组织损失疾病导致珊瑚礁生态系统持续的微生物水平干扰
Stephanie M Rosales1,2, J Grace Klinges3,4, Abigail S Clark4,5
1Cooperative Institute for Marine and Atmospheric Studies, University of Miami, Miami, Florida, USA.
Environmental microbiology reports
|December 22, 2025
概括
石珊瑚组织损失疾病 (SCTLD) 显著改变珊瑚礁微生物组,影响多样性和功能. 这些微生物干扰甚至在疫情爆发后仍然存在,影响了珊瑚礁的恢复.
科学领域:
- 海洋生物学 海洋生物学
- 微生物生态学 微生物生态学
- 生态系统健康 生态系统健康
背景情况:
- 岩石珊瑚组织损失疾病 (SCTLD) 导致珊瑚死亡率显著,并且导致盆地社区的变化.
- 尚不完全了解SCTLD对珊瑚礁微生物群的影响,这些微生物群对生态系统的功能和恢复至关重要.
研究的目的:
- 在SCTLD爆发的不同阶段调查珊瑚,水和沉积物微生物群的分类学和功能变化.
- 评估SCTLD对珊瑚礁微生物群落的长期影响及其对珊瑚礁弹性潜在影响.
主要方法:
- 从下佛罗里达群岛的三个珊瑚礁中取样看似健康的珊瑚,水和沉积物.
- 对微生物多样性 (α和β多样性) 和社区结构在三个SCTLD阶段的分析:脆弱,流行和特有.
- 微生物功能潜力的生物信息预测 (例如,基因通路) 和微生物群落的网络分析.
主要成果:
- SCTLD显著改变了珊瑚和周围环境中的微生物多样性和功能潜力.
- 珊瑚中的微生物多样性在脆弱阶段达到顶峰,并在特有阶段下降,表明了持久的影响.
- 在流行病阶段,在珊瑚中观察到多种药物耐药性和硫循环基因的增加,而在多种样本类型中丰富了固基因.
结论:
- SCTLD对珊瑚礁微生物群造成显著和持久的分类学和功能性破坏.
- 这些微生物转移可能会损害珊瑚礁生态系统从SCTLD爆发中恢复的能力.
- 了解这些微生物变化对于预测和管理面对疾病的珊瑚礁弹性至关重要.
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