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Authordc.contributor.authorNúñez Salazar, Reynaldo 
Authordc.contributor.authorAguirre, Carlos 
Authordc.contributor.authorCorvalán Soto, Jorge Andrés 
Authordc.contributor.authorSalinas, Pamela 
Authordc.contributor.authorSalinas, Carlos 
Authordc.contributor.authorPrieto, Humberto 
Authordc.contributor.authorPaneque Corrales, Manuel 
Admission datedc.date.accessioned2020-11-15T16:18:43Z
Available datedc.date.available2020-11-15T16:18:43Z
Publication datedc.date.issued2020
Cita de ítemdc.identifier.citationMicroorganisms 2020, 8, 1181es_ES
Identifierdc.identifier.other10.3390/microorganisms8081181
Identifierdc.identifier.urihttps://repositorio.uchile.cl/handle/2250/177723
Abstractdc.description.abstractDue to the low incidence of precipitation attributed to climate change, many high-altitude Andean lakes (HAALs) and lagoons distributed along the central Andes in South America may soon disappear. This includes La Brava-La Punta, a brackish lake system located south of the Salar de Atacama within a hyper-arid and halophytic biome in the Atacama Desert. Variations in the physicochemical parameters of the water column can induce changes in microbial community composition, which we aimed to determine. Sixteen sampling points across La Brava-La Punta were studied to assess the influence of water physicochemical properties on the aquatic microbial community, determined via 16S rRNA gene analysis. Parameters such as pH and the concentrations of silica, magnesium, calcium, salinity, and dissolved oxygen showed a more homogenous pattern in La Punta samples, whereas those from La Brava had greater variability; pH and total silica were significantly different between La Brava and La Punta. The predominant phyla were Proteobacteria, Bacteroidetes, Actinobacteria, and Verrucomicrobia. The generaPsychroflexus(36.85%),Thiomicrospira(12.48%), andPseudomonas(7.81%) were more abundant in La Brava, whilePseudospirillum(20.73%) andRoseovarius(17.20%) were more abundant in La Punta. Among the parameters, pH was the only statistically significant factor influencing the diversity within La Brava lake. These results complement the known microbial diversity and composition in the HAALs of the Atacama Desert.es_ES
Patrocinadordc.description.sponsorshipAgroenergia Ingeniería Genética S.A.es_ES
Lenguagedc.language.isoenes_ES
Publisherdc.publisherMDPIes_ES
Type of licensedc.rightsAttribution-NonCommercial-NoDerivs 3.0 Chile*
Link to Licensedc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/*
Sourcedc.sourceMicroorganismses_ES
Keywordsdc.subjectHigh altitude Andean lakeses_ES
Keywordsdc.subjectWater columnes_ES
Keywordsdc.subjectMicrobial diversityes_ES
Keywordsdc.subjectPhysicochemical parameterses_ES
Keywordsdc.subjectMicrobiome characterizationes_ES
Keywordsdc.subjectTaxonomic diversityes_ES
Keywordsdc.subject16S amplicon sequencinges_ES
Títulodc.titlePhysicochemical Parameters Affecting the Distribution and Diversity of the Water Column Microbial Community in the High-Altitude Andean Lake System of La Brava and La Puntaes_ES
Document typedc.typeArtículo de revistaes_ES
dcterms.accessRightsdcterms.accessRightsAcceso Abierto
Catalogueruchile.catalogadorcrbes_ES
Indexationuchile.indexArtículo de publicación ISI
Indexationuchile.indexArtículo de publicación SCOPUS


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Attribution-NonCommercial-NoDerivs 3.0 Chile
Except where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivs 3.0 Chile