@article{RN299,
   author = {Giordano, N. and Gaudin, M. and Trottier, C. and Delage, E. and Nef, C. and Bowler, C. and Chaffron, S.},
   title = {Genome-scale community modelling reveals conserved metabolic cross-feedings in epipelagic bacterioplankton communities},
   journal = {Nat Commun},
   volume = {15},
   number = {1},
   pages = {2721},
   note = {Giordano, Nils
Gaudin, Marinna
Trottier, Camille
Delage, Erwan
Nef, Charlotte
Bowler, Chris
Chaffron, Samuel
eng
862923/European Commission (EC)/
England
2024/03/29
Nat Commun. 2024 Mar 28;15(1):2721. doi: 10.1038/s41467-024-46374-w.},
   abstract = {Marine microorganisms form complex communities of interacting organisms that influence central ecosystem functions in the ocean such as primary production and nutrient cycling. Identifying the mechanisms controlling their assembly and activities is a major challenge in microbial ecology. Here, we integrated Tara Oceans meta-omics data to predict genome-scale community interactions within prokaryotic assemblages in the euphotic ocean. A global genome-resolved co-activity network revealed a significant number of inter-lineage associations across diverse phylogenetic distances. Identified co-active communities include species displaying smaller genomes but encoding a higher potential for quorum sensing, biofilm formation, and secondary metabolism. Community metabolic modelling reveals a higher potential for interaction within co-active communities and points towards conserved metabolic cross-feedings, in particular of specific amino acids and group B vitamins. Our integrated ecological and metabolic modelling approach suggests that genome streamlining and metabolic auxotrophies may act as joint mechanisms shaping bacterioplankton community assembly in the global ocean surface.},
   keywords = {*Ecosystem
Phylogeny
*Bacteria/genetics
Aquatic Organisms/genetics
Oceans and Seas},
   ISSN = {2041-1723 (Electronic)
2041-1723 (Linking)},
   DOI = {10.1038/s41467-024-46374-w},
   url = {https://www.ncbi.nlm.nih.gov/pubmed/38548725},
   year = {2024},
   type = {Journal Article}
}

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Identifying the mechanisms controlling their assembly and activities is a major challenge in microbial ecology. Here, we integrated Tara Oceans meta-omics data to predict genome-scale community interactions within prokaryotic assemblages in the euphotic ocean. A global genome-resolved co-activity network revealed a significant number of inter-lineage associations across diverse phylogenetic distances. Identified co-active communities include species displaying smaller genomes but encoding a higher potential for quorum sensing, biofilm formation, and secondary metabolism. Community metabolic modelling reveals a higher potential for interaction within co-active communities and points towards conserved metabolic cross-feedings, in particular of specific amino acids and group B vitamins. 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