{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Acciardo AS"],"funding":["Swiss National Science Foundation"],"pagination":["1522714"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11897985"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["16"],"pubmed_abstract":["Accessing the deep terrestrial subsurface (greater than 1 km below the surface) presents significant practical challenges, leaving these ecosystems largely uncharacterized despite their extensive presence beneath Earth's landmasses. In this study, we introduce the BedrettoLab Deep Life Observatory (DELOS), a new underground laboratory to study the biogeochemical diversity of groundwater in a high-altitude Alpine catchment tens of meters to 1.6 km underground. Biogeochemical monitoring of DELOS over spatial and temporal scales highlight three dominant ecotypes throughout DELOS: (1) Shallow groundwater with low electrical conductivity enriched in <i>Leptospirillia</i>; (2) High-inflow fault zones enriched in ultra-small bacteria and archaea; (3) Bicarbonate-enriched waters that are enriched "],"journal":["Frontiers in microbiology"],"pubmed_title":["Spatial and temporal groundwater biogeochemical variability help inform subsurface connectivity within a high-altitude Alpine catchment (Riale di Ronco, Switzerland)."],"pmcid":["PMC11897985"],"funding_grant_id":["215626"],"pubmed_authors":["Tran HNH","Arnet M","Gholizadeh Doonechaly N","Wenning Q","Brixel B","Magnabosco C","Zimmerman E","Hertrich M","Acciardo AS","Rodriguez P","Ceccato A"],"additional_accession":[]},"is_claimable":false,"name":"Spatial and temporal groundwater biogeochemical variability help inform subsurface connectivity within a high-altitude Alpine catchment (Riale di Ronco, Switzerland).","description":"Accessing the deep terrestrial subsurface (greater than 1 km below the surface) presents significant practical challenges, leaving these ecosystems largely uncharacterized despite their extensive presence beneath Earth's landmasses. In this study, we introduce the BedrettoLab Deep Life Observatory (DELOS), a new underground laboratory to study the biogeochemical diversity of groundwater in a high-altitude Alpine catchment tens of meters to 1.6 km underground. Biogeochemical monitoring of DELOS over spatial and temporal scales highlight three dominant ecotypes throughout DELOS: (1) Shallow groundwater with low electrical conductivity enriched in <i>Leptospirillia</i>; (2) High-inflow fault zones enriched in ultra-small bacteria and archaea; (3) Bicarbonate-enriched waters that are enriched ","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025","modification":"2025-04-04T01:29:12.745Z","creation":"2025-04-04T01:29:12.745Z"},"accession":"S-EPMC11897985","cross_references":{"pubmed":["40078544"],"doi":["10.3389/fmicb.2025.1522714"]}}