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| Main Authors: | , , , , , , , , |
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| Format: | Artículo científico |
| Language: | en |
| Published: |
PloS one
2025
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| Subjects: | |
| Online Access: | https://pubmed.ncbi.nlm.nih.gov/40043057/ |
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Table of Contents:
- What defines a photosynthetic microbial mat in western Antarctica? Mercado-Juárez, Ricardo A Valdespino-Castillo, Patricia M Merino Ibarra, Martín Batista, Silvia Mac Cormack, Walter Ruberto, Lucas Carpenter, Edward J Capone, Douglas G Falcón, Luisa I Antarctic Regions Photosynthesis Bacteria Archaea Biodiversity Microbiota Phylogeny Antarctic microbial mats, with their significant biodiversity and key role in biogeochemical cycling, were the focus of our study. We employed a metagenomic approach to analyze 14 microbial mats from meltwater streams of western Antarctica, covering the Maritime, Peninsula, and Dry Valleys regions. Our findings revealed that the taxonomic compositional level of the microbial mat communities is characterized by similar bacterial groups, with diatoms being the main distinguishing factor between the rapidly warming Maritime Antarctica and the other mats. Bacteria were found to be the predominant component of all microbial mats (>90%), followed by Eukarya (>3%), Archaea (