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Metagenomics untangles potential adaptations of Antarctic endolithic bacteria at the fringe of habitability.
Coleine, Claudia; Albanese, Davide; Ray, Angelique E; Delgado-Baquerizo, Manuel; Stajich, Jason E; Williams, Timothy J; Larsen, Stefano; Tringe, Susannah; Pennacchio, Christa; Ferrari, Belinda C; Donati, Claudio; Selbmann, Laura.
Affiliation
  • Coleine C; Department of Ecological and Biological Sciences, University of Tuscia, Largo dell'Università, 01100 Viterbo, Italy. Electronic address: coleine@unitus.it.
  • Albanese D; Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38098 San Michele all'Adige, Italy.
  • Ray AE; School of Biotechnology and Biomolecular Sciences, UNSW Sydney, Randwick, New South Wales 2052, Australia.
  • Delgado-Baquerizo M; Laboratorio de Biodiversidad y Funcionamiento Ecosistémico, Instituto de Recursos Naturales y Agrobiología de Sevilla (IRNAS), CSIC, Av. Reina Mercedes 10, E-41012 Sevilla, Spain; Unidad Asociada CSIC-UPO (BioFun), Universidad Pablo de Olavide, 41013 Sevilla, Spain.
  • Stajich JE; Department of Microbiology and Plant Pathology and Institute of Integrative Genome Biology, University of California, Riverside, Riverside, CA 92507, USA; Institute for Integrative Genome Biology, University of California, Riverside, Riverside, CA, USA.
  • Williams TJ; School of Biotechnology and Biomolecular Sciences, UNSW Sydney, Randwick, New South Wales 2052, Australia.
  • Larsen S; Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38098 San Michele all'Adige, Italy.
  • Tringe S; Department of Energy Joint Genome Institute, One Cyclotron Road, Berkeley, CA 94720, USA.
  • Pennacchio C; Department of Energy Joint Genome Institute, One Cyclotron Road, Berkeley, CA 94720, USA.
  • Ferrari BC; School of Biotechnology and Biomolecular Sciences, UNSW Sydney, Randwick, New South Wales 2052, Australia.
  • Donati C; Research and Innovation Centre, Fondazione Edmund Mach, Via E. Mach 1, 38098 San Michele all'Adige, Italy. Electronic address: claudio.donati@fmach.it.
  • Selbmann L; Department of Ecological and Biological Sciences, University of Tuscia, Largo dell'Università, 01100 Viterbo, Italy; Mycological Section, Italian Antarctic National Museum (MNA), Via al Porto Antico, 16128 Genoa, Italy.
Sci Total Environ ; 917: 170290, 2024 Mar 20.
Article in En | MEDLINE | ID: mdl-38244622
ABSTRACT
Survival and growth strategies of Antarctic endolithic microbes residing in Earth's driest and coldest desert remain virtually unknown. From 109 endolithic microbiomes, 4539 metagenome-assembled genomes were generated, 49.3 % of which were novel candidate bacterial species. We present evidence that trace gas oxidation and atmospheric chemosynthesis may be the prevalent strategies supporting metabolic activity and persistence of these ecosystems at the fringe of life and the limits of habitability.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Bacteria / Microbiota Language: En Journal: Sci Total Environ Year: 2024 Document type: Article Country of publication: Netherlands
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Bacteria / Microbiota Language: En Journal: Sci Total Environ Year: 2024 Document type: Article Country of publication: Netherlands