{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["5(1)"],"submitter":["Pitot TM"],"funding":["Natural Sciences and Engineering Research Council of Canada","Canada First Research Excellence Fund","Network of Centres of Excellence of Canada ArcticNet","Fonds de Recherche du Québec-Nature et Technologie"],"pubmed_abstract":["Giant viruses (GVs; <i>Nucleocytoviricota</i>) impact the biology and ecology of a wide range of eukaryotic hosts, with implications for global biogeochemical cycles. Here, we investigated GV niche separation in highly stratified Lake A at the northern coast of Ellesmere Island, Nunavut, Canada. This lake is composed of a layer of ice-covered freshwater that overlies saltwater derived from the ancient Arctic Ocean, and it therefore provides a broad gradient of environmental conditions and ecological habitats, each with a distinct protist community and rich assemblages of associated GVs. The upper layer (mixolimnion) had measurable light and oxygen, and contained diverse GVs linked to photosynthetic protists, indicating adaptation to surface biotic and abiotic conditions. In contrast, the s"],"journal":["ISME communications"],"pagination":["ycae155"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11745019"],"repository":["biostudies-literature"],"pubmed_title":["Viral niche-partitioning: comparative genomics of giant viruses across environmental gradients in a high Arctic freshwater-saltwater lake."],"pmcid":["PMC11745019"],"pubmed_authors":["Girard C","Rapp JZ","Roux S","Pitot TM","Somerville V","Culley AI","Vincent WF","Moineau S"],"additional_accession":[]},"is_claimable":false,"name":"Viral niche-partitioning: comparative genomics of giant viruses across environmental gradients in a high Arctic freshwater-saltwater lake.","description":"Giant viruses (GVs; <i>Nucleocytoviricota</i>) impact the biology and ecology of a wide range of eukaryotic hosts, with implications for global biogeochemical cycles. Here, we investigated GV niche separation in highly stratified Lake A at the northern coast of Ellesmere Island, Nunavut, Canada. This lake is composed of a layer of ice-covered freshwater that overlies saltwater derived from the ancient Arctic Ocean, and it therefore provides a broad gradient of environmental conditions and ecological habitats, each with a distinct protist community and rich assemblages of associated GVs. The upper layer (mixolimnion) had measurable light and oxygen, and contained diverse GVs linked to photosynthetic protists, indicating adaptation to surface biotic and abiotic conditions. In contrast, the s","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Jan","modification":"2025-04-05T09:31:18.312Z","creation":"2025-04-05T09:31:18.312Z"},"accession":"S-EPMC11745019","cross_references":{"pubmed":["39834781"],"doi":["10.1093/ismeco/ycae155"]}}