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深海海绵的微生物组在组成和功能上具有很高的相似性

Cristina Díez-Vives^1,2, Ana Riesgo^2,3

¹Department of Systems Biology, Centro Nacional de Biotecnología, c/ Darwin, 3, 28049 Madrid, Spain.

The ISME journal

|February 16, 2024

概括

深海海绵在很大程度上依赖于它们的共生微生物生存,它们的微生物群在不同地点显示一致的代谢功能. 这种微生物社区结构在深海物种中非常相似,与它们的浅水亲属不同.

科学领域:

海洋生物学海洋生物学
微生物学微生物学
生态生态学生态生态学

背景情况:

海绵,特别是高微生物丰富 (HMA) 物种,依赖于共生微生物的营养和健康,往往会放弃过.
深海海绵-微生物组的关联比浅水的对应物不明,尽管HMA海绵主导深海生态系统.
HMA海绵在深海生物地质化学循环中起着至关重要的作用.

研究的目的:

为了研究深海HMA海绵的微生物转录资料.
为了比较深海海绵微生物群与浅水HMA和低微生物丰度 (LMA) 物种.
了解深海海绵微生物组的功能融合和社区组成.

主要方法:

分析了三种深海HMA海绵物种在坎塔布里亚海的四个地点的微生物转录特征.
与浅水HMA和LMA海绵的现有数据进行比较.
对39种来自深海和浅海息地的HMA海绵物种的微生物群落组成进行比较分析.

主要成果:

深海海绵微生物体表现出融合的基本代谢作用,独立于分类学或位置,类似于浅水HMA海绵.
在微生物成员中观察到高度的功能冗余,表明生态系统的稳定性.
深海HMA海绵与浅水物种相比,具有微生物同质性 (弱种特异性).

结论:

微生物群对深海海绵起着关键的,融合的代谢作用,使其适应资源有限的环境.
深海海绵中的微生物社区结构以同质性和功能融合为特征.
了解这些深海海绵-微生物群相互作用对于理解深海生态系统的功能至关重要.

关键词:

安普利康序列的测序方法深海的生态系统.主体-微生物群系统微生物生态学微生物生态学微生物的基因表达.菌微生物群是海绵的微生物群.

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