深海宝藏 - 博物馆档案中的洞察力揭示了最深的海洋生态系统中的珊瑚微生物多样性
Francesco Ricci1,2,3, William Leggat4, Marisa M Pasella2
1University of New South Wales, School of Biological, Earth and Environmental Sciences, Kensington, NSW, Australia.
Heliyon
|March 12, 2024
概括
博物馆标本揭示了各种深海珊瑚微生物组. 蓝藻和化学合成细菌,包括Mycoplasma,是关键的共生体,为宿主免疫和生态系统功能提供了洞察力.
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
- 基因组学就是基因组学.
背景情况:
- 深海盆地息地是富含Cnidaria的低生产力生态系统.
- 由于技术和成本的限制,探索深海环境和珊瑚生物学具有挑战性.
- 与深海珊瑚相关的微生物群落及其功能尚不清楚.
研究的目的:
- 用博物馆标本研究深海珊瑚的微生物多样性.
- 确定微生物共生体及其在珊瑚功能中的潜在作用.
- 评估博物馆档案对微生物组研究的有用性.
主要方法:
- 从博物馆存档的深海珊瑚标本中恢复了核酸.
- 16S rRNA基因的V1-V3区域被放大和测序.
- 分析了序列,以确定珊瑚海和南洋珊瑚中的微生物多样性.
主要成果:
- 在七个珊瑚家族中,有六个珊瑚家族中始终发现了蓝藻细菌,这表明在深海珊瑚中无处不在.
- 确定了与化学合成细菌 (亚酸盐,一氧化碳,硫氧化剂) 的共生关系.
- 蛋白质细菌,Verrucomicrobia,Planctomycetes和Acidobacteriota主导着珊瑚微生物群; 菌与宿主免疫功能有关.
结论:
- 博物馆标本是研究深海珊瑚微生物组的宝贵资源.
- 深海珊瑚拥有多样化的微生物群落,包括潜在的共生蓝藻和化学合成细菌.
- 对档案样本的微生物组分析为深海生物多样性和宿主微生物相互作用提供了新的见解.
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