Microbial diversity of coastal microbial mats formations in karstic habitats from the Yucatan Peninsula, Mexico

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Pubblicato in:PLoS One vol. 20, no. 6 (Jun 2025), p. e0325200
Autore principale: Cadena, Santiago
Altri autori: Teutli-Hernández, Claudia, Herrera-Silveira, Jorge A, Aguirre-Macedo, M Leopoldina, Falcón, Luisa I, Bebout, Brad M, García-Maldonado, José Q
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Public Library of Science
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024 7 |a 10.1371/journal.pone.0325200  |2 doi 
035 |a 3215590391 
045 2 |b d20250601  |b d20250630 
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100 1 |a Cadena, Santiago 
245 1 |a Microbial diversity of coastal microbial mats formations in karstic habitats from the Yucatan Peninsula, Mexico 
260 |b Public Library of Science  |c Jun 2025 
513 |a Journal Article 
520 3 |a In this study, we report for the first time an exploration of the physicochemical characteristics and the prokaryotic diversity of three different types of microbial mats from karstic habitats located in Sisal, Progreso and Ría Lagartos, in the Yucatan Peninsula, Mexico. Our results showed that lift-off mats were found in the lower salinity (2.2%) area (Sisal), while flat and pustular mats were detected in hypersaline (6–9%) sites (Progreso and Ría Lagartos). Notably, some of these microbial mat structures were in close proximity to mangrove forest ecosystems with both degraded and restored regimes. XRD analysis revealed different mineral compositions of the mats; however, aragonite, calcite, and halite were commonly found in all samples studied. High-throughput sequencing of the 16S rRNA gene identified differences in microbial communities across the different mat types, and statistical analyses revealed that salinity, redox potential, and temperature were significant factors in explaining the variance of the prokaryotic assemblages. Microbial groups identified in this study include those known to be important in the biogeochemical cycling of key elements, such as carbon, nitrogen, and sulfur. Interestingly, the community composition of flat and pustular mats from Progreso was similar, with Bacteroidia, Anaerolineae, and Phycisphaerae being the most abundant microbial groups in flat mats; and Bacteroidia, Anaerolineae, and Alphaproteobacteria dominating pustular mats. By contrast, flat mats from Ría Lagartos were dominated by Halobacteria, Cyanobacteria and Bacteroidota, while Bacteroidia, Gammaproteobacteria and Cyanobacteria dominated lift-off mats from Sisal. This work contributes to understanding the distribution, physicochemical characteristics and microbial diversity of coastal microbial mats, providing valuable new insights into microbial mats that develop in karstic ecosystems. This information is relevant to ongoing and future efforts to manage and preserve coastal ecosystems in the Yucatan Peninsula. 
651 4 |a Mexico 
651 4 |a United States--US 
651 4 |a Yucatan Peninsula 
653 |a Plankton 
653 |a Community composition 
653 |a Biogeochemical cycles 
653 |a Calcite 
653 |a Redox potential 
653 |a Topography 
653 |a Salinity effects 
653 |a Cyanobacteria 
653 |a Coastal management 
653 |a Salinity 
653 |a Microorganisms 
653 |a Next-generation sequencing 
653 |a Forest ecosystems 
653 |a Terrestrial ecosystems 
653 |a Coastal ecosystems 
653 |a Ecosystems 
653 |a Composition 
653 |a Karst 
653 |a rRNA 16S 
653 |a Sulfur 
653 |a Laboratories 
653 |a Statistical analysis 
653 |a Halophilic bacteria 
653 |a Mangrove swamps 
653 |a Microbial activity 
653 |a Microbial mats 
653 |a Aragonite 
653 |a Bacteroidia 
653 |a Anaerolineae 
653 |a Environmental 
700 1 |a Teutli-Hernández, Claudia 
700 1 |a Herrera-Silveira, Jorge A 
700 1 |a Aguirre-Macedo, M Leopoldina 
700 1 |a Falcón, Luisa I 
700 1 |a Bebout, Brad M 
700 1 |a García-Maldonado, José Q 
773 0 |t PLoS One  |g vol. 20, no. 6 (Jun 2025), p. e0325200 
786 0 |d ProQuest  |t Health & Medical Collection 
856 4 1 |3 Citation/Abstract  |u https://www.proquest.com/docview/3215590391/abstract/embedded/6A8EOT78XXH2IG52?source=fedsrch 
856 4 0 |3 Full Text  |u https://www.proquest.com/docview/3215590391/fulltext/embedded/6A8EOT78XXH2IG52?source=fedsrch 
856 4 0 |3 Full Text - PDF  |u https://www.proquest.com/docview/3215590391/fulltextPDF/embedded/6A8EOT78XXH2IG52?source=fedsrch