{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["21(1)"],"submitter":["Medina Caro D"],"pubmed_abstract":["<h4>Background</h4>The Barrancas Blancas (BB) plain, situated in the high-altitude Atacama region, is a cryogenic, hyper-arid, poly-extreme environment. The seasonal formation of a temporary freshwater lake under these harsh conditions provides a unique opportunity to examine how liquid water influences the metabolic responses of desert microbial communities. Using a metatranscriptomic approach, we characterised microbial community responses along a 70-meter natural moisture gradient.<h4>Results</h4>Along the gradient, the most active sites (8-23 m from the lake) exhibited high RNA recovery and diverse metabolic functions. Bacillariophyta (diatoms) drove oxygenic phototrophy, while Pseudomonadota contributed to anoxygenic phototrophy and nitrogen fixation. Additionally, Pseudomonadota, Act"],"journal":["Environmental microbiome"],"pagination":["20"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12849286"],"repository":["biostudies-literature"],"pubmed_title":["Metabolic transitions along a moisture gradient in a poly-extreme high-altitude desert ecosystem within the Atacama Desert."],"pmcid":["PMC12849286"],"pubmed_authors":["Wagner D","Oses R","Garcia A","Medina Caro D","Bartholomaus A","Liebner S"],"additional_accession":[]},"is_claimable":false,"name":"Metabolic transitions along a moisture gradient in a poly-extreme high-altitude desert ecosystem within the Atacama Desert.","description":"<h4>Background</h4>The Barrancas Blancas (BB) plain, situated in the high-altitude Atacama region, is a cryogenic, hyper-arid, poly-extreme environment. The seasonal formation of a temporary freshwater lake under these harsh conditions provides a unique opportunity to examine how liquid water influences the metabolic responses of desert microbial communities. Using a metatranscriptomic approach, we characterised microbial community responses along a 70-meter natural moisture gradient.<h4>Results</h4>Along the gradient, the most active sites (8-23 m from the lake) exhibited high RNA recovery and diverse metabolic functions. Bacillariophyta (diatoms) drove oxygenic phototrophy, while Pseudomonadota contributed to anoxygenic phototrophy and nitrogen fixation. Additionally, Pseudomonadota, Act","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Jan","modification":"2026-06-10T09:05:24.834Z","creation":"2026-06-10T03:11:34.042Z"},"accession":"S-EPMC12849286","cross_references":{"pubmed":["41578357"],"doi":["10.1186/s40793-025-00847-7"]}}