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Modularity and predicted functions of the global sponge-microbiome network.
Miguel Lurgi1, Torsten Thomas2, Bernd Wemheuer2
1Centre for Biodiversity Theory and Modelling, Theoretical and Experimental Ecology Station, CNRS-Paul Sabatier University, 09200, Moulis, France. miguel.lurgi@sete.cnrs.fr.
Nature Communications
|March 3, 2019
Summary
Marine sponges host diverse microbial communities. This study reveals a modular global sponge-microbiome network, shaped by both environmental factors and species interactions, offering insights into biodiversity and ecosystem function.
Area of Science:
- Marine Biology
- Microbial Ecology
- Network Science
Background:
- Understanding species interaction networks is crucial for biodiversity and ecosystem functioning.
- Marine sponges harbor complex microbial communities, but assembly mechanisms remain unclear.
Purpose of the Study:
- To define the organization of the global marine sponge-microbiome network.
- To investigate the processes driving sponge microbiome assembly.
Main Methods:
- Construction of the global marine sponge-microbiome interaction network.
- Analysis of network modularity and community structure.
- Assessment of abiotic and biotic factors influencing microbiome assembly.
Main Results:
- The global sponge-microbiome network exhibits a modular organization in community structure and function.
- Specific sponge species act as key links, sharing microbes globally.
- Abiotic factors influence overall sponge microbiomes, while biotic interactions shape core microbial communities.
Conclusions:
- Both ecological and evolutionary processes govern marine sponge microbiome assembly.
- The findings suggest conserved mechanisms of microbiome assembly across multicellular hosts.
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