{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Filella A"],"funding":["BNP Paribas Foundation for Climate and Biodiversity project NOTION","Deutsche Forschungsgemeinschaft","The Simons Foundation","Natural Environment Research Council","ASIA platform","National Science Foundation"],"pagination":["ycaf061"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12064561"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["5(1)"],"pubmed_abstract":["Dinitrogen (N₂) fixation by diazotrophs supports ocean productivity. Diazotrophs include photoautotrophic cyanobacteria, non-cyanobacterial diazotrophs (NCDs), and the recently discovered N<sub>2</sub>-fixing haptophyte. While NCDs are ubiquitous in the ocean, their ecology and metabolism remain largely unknown. Unlike cyanobacterial diazotrophs and the haptophyte, NCDs are primarily heterotrophic and depend on dissolved organic matter (DOM) for carbon and energy. However, conventional DOM amendment incubations do not allow discerning how different diazotrophs use DOM molecules, limiting our knowledge on DOM-diazotroph interactions. To identify diazotrophs using DOM, we amended North Pacific microbial communities with <sup>13</sup>C-labeled DOM from phytoplankton cultures that was molecula"],"journal":["ISME communications"],"pubmed_title":["Organic metabolite uptake by diazotrophs in the North Pacific Ocean."],"pmcid":["PMC12064561"],"funding_grant_id":["OCE-2023498","724220","SFB1127","NE/W004933/1","239748522"],"pubmed_authors":["Guyomarch L","Benavides M","Guigue C","Grosso O","Filella A","Tedetti M","Vallet M","Turk-Kubo KA","Riemann L","Cebron A","Martinot P","Paix B"],"additional_accession":[]},"is_claimable":false,"name":"Organic metabolite uptake by diazotrophs in the North Pacific Ocean.","description":"Dinitrogen (N₂) fixation by diazotrophs supports ocean productivity. Diazotrophs include photoautotrophic cyanobacteria, non-cyanobacterial diazotrophs (NCDs), and the recently discovered N<sub>2</sub>-fixing haptophyte. While NCDs are ubiquitous in the ocean, their ecology and metabolism remain largely unknown. Unlike cyanobacterial diazotrophs and the haptophyte, NCDs are primarily heterotrophic and depend on dissolved organic matter (DOM) for carbon and energy. However, conventional DOM amendment incubations do not allow discerning how different diazotrophs use DOM molecules, limiting our knowledge on DOM-diazotroph interactions. To identify diazotrophs using DOM, we amended North Pacific microbial communities with <sup>13</sup>C-labeled DOM from phytoplankton cultures that was molecula","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Jan","modification":"2026-07-15T11:10:22.165Z","creation":"2026-07-05T03:08:34.538Z"},"accession":"S-EPMC12064561","cross_references":{"pubmed":["40352108"],"doi":["10.1093/ismeco/ycaf061"]}}