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Article

Are There Benefits from Thermal Bacteria for Health? The Hydrogenome Role

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Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
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Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal
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LAQV-REQUIMTE, Faculty of Science & Technology, Nova University of Lisbon, Caparica, 2829-516 Lisboa, Portugal
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CINBIO, Department of Computer Science, University of Vigo, ESEI—Escuela Superior de Ingeniería Informática, 32004 Ourense, Spain
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SING Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36213 Vigo, Spain
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Microbiology & Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, 5001-801 Vila Real, Portugal
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Chemistry Centre, University of Trás-os-Montes and Alto Douro, UTAD, 5000-801 Vila Real, Portugal
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Department of Analytical and Food Chemistry, University of Vigo, Science Faculty, 32004 Ourense, Spain
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CITACA—Agrifood Research and Transfer Cluster, Campus da Auga, University of Vigo, Campus Ourense, 32004 Ourense, Spain
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Author to whom correspondence should be addressed.
Academic Editor: Hodon Ryu
Water 2021, 13(11), 1439; https://doi.org/10.3390/w13111439
Received: 23 March 2021 / Revised: 14 May 2021 / Accepted: 19 May 2021 / Published: 21 May 2021
(This article belongs to the Section Hydrology)
In recent years, natural thermal mineral waters have been gaining the special attention of the scientific community, namely in the prevention and treatment of some diseases, due to the microbial properties that exist in these habitats. The aim of this work was to characterize the physicochemical composition and the microbial taxonomic communities present in three thermal waters of the Galician region in Spain and two samples of the northern region in Portugal. These collected water samples were analyzed for physicochemical characterization and the respective hydrogenome of the waters using next generation sequencing together with 16S rRNA gene sequencing. The sequencing showed a high diversity of microorganisms in all analyzed waters; however, there is a clear bacterial predominance of Proteobacteria phylum, followed by Firmicutes, Deinococcus-Thermus, Aquificae and Nitrospira. The main physicochemical parameters responsible for the clustering within the Spanish waters were sulfur compounds (SO32− and S2−), CO32− and neutral pH, and in the Portuguese waters were Mg, Ca and Sr, nitrogen compounds (NO3 and NH4+), Na, Rb, conductivity and dry residue. This work will allow for a better understanding of the microbial community’s composition and how these microorganisms interfere in the physicochemical constitution of these waters often associated with medicinal properties. Furthermore, the hydrogenome may be used as an auxiliary tool in the practice of medical hydrology, increasing the likelihood of safe use of these unique water types. View Full-Text
Keywords: thermal waters; natural mineral waters; hydrogenome; 16S rRNA; next generation sequencing; Illumina thermal waters; natural mineral waters; hydrogenome; 16S rRNA; next generation sequencing; Illumina
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MDPI and ACS Style

Pascoal-Ferreira, P.; Glez-Peña, D.; Miranda, C.; Poeta, P.; Coutinho, J.; Fdez-Riverola, F.; Torrado-Agrasar, A.; Rúa, M.L.; Igrejas, G. Are There Benefits from Thermal Bacteria for Health? The Hydrogenome Role. Water 2021, 13, 1439. https://doi.org/10.3390/w13111439

AMA Style

Pascoal-Ferreira P, Glez-Peña D, Miranda C, Poeta P, Coutinho J, Fdez-Riverola F, Torrado-Agrasar A, Rúa ML, Igrejas G. Are There Benefits from Thermal Bacteria for Health? The Hydrogenome Role. Water. 2021; 13(11):1439. https://doi.org/10.3390/w13111439

Chicago/Turabian Style

Pascoal-Ferreira, Patrick, Daniel Glez-Peña, Carla Miranda, Patrícia Poeta, João Coutinho, Florentino Fdez-Riverola, Ana Torrado-Agrasar, María L. Rúa, and Gilberto Igrejas. 2021. "Are There Benefits from Thermal Bacteria for Health? The Hydrogenome Role" Water 13, no. 11: 1439. https://doi.org/10.3390/w13111439

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