Prokaryotic communities from a lava tube cave in La Palma Island (Spain) are involved in the biogeochemical cycle of major elements
Lava caves differ from karstic caves in their genesis and mineral composition. Subsurface microbiology of lava tube caves in Canary Islands, a volcanic archipelago in the Atlantic Ocean, is largely unknown. We have focused the investigation in a representative lava tube cave, Fuente de la Canaria Ca...
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doaj-efc6dd1f13474171950cdb4ea1cf66882021-05-13T15:05:16ZengPeerJ Inc.PeerJ2167-83592021-05-019e1138610.7717/peerj.11386Prokaryotic communities from a lava tube cave in La Palma Island (Spain) are involved in the biogeochemical cycle of major elementsJose Luis Gonzalez-Pimentel0Tamara Martin-Pozas1Valme Jurado2Ana Zelia Miller3Ana Teresa Caldeira4Octavio Fernandez-Lorenzo5Sergio Sanchez-Moral6Cesareo Saiz-Jimenez7Laboratorio Hercules, Universidade de Evora, Evora, PortugalGeology, Museo Nacional de Ciencias Naturales, CSIC, Madrid, SpainEnvironmental Microbiology, Instituto de Recursos Naturales y Agrobiologia, CSIC, Sevilla, SpainLaboratorio Hercules, Universidade de Evora, Evora, PortugalLaboratorio Hercules, Universidade de Evora, Evora, PortugalGrupo de Espeleologia Tebexcorade, La Palma, SpainGeology, Museo Nacional de Ciencias Naturales, CSIC, Madrid, SpainEnvironmental Microbiology, Instituto de Recursos Naturales y Agrobiologia, CSIC, Sevilla, SpainLava caves differ from karstic caves in their genesis and mineral composition. Subsurface microbiology of lava tube caves in Canary Islands, a volcanic archipelago in the Atlantic Ocean, is largely unknown. We have focused the investigation in a representative lava tube cave, Fuente de la Canaria Cave, in La Palma Island, Spain, which presents different types of speleothems and colored microbial mats. Four samples collected in this cave were studied using DNA next-generation sequencing and field emission scanning electron microscopy for bacterial identification, functional profiling, and morphological characterization. The data showed an almost exclusive dominance of Bacteria over Archaea. The distribution in phyla revealed a majority abundance of Proteobacteria (37–89%), followed by Actinobacteria, Acidobacteria and Candidatus Rokubacteria. These four phyla comprised a total relative abundance of 72–96%. The main ecological functions in the microbial communities were chemoheterotrophy, methanotrophy, sulfur and nitrogen metabolisms, and CO2 fixation; although other ecological functions were outlined. Genome annotations of the especially representative taxon Ga0077536 (about 71% of abundance in moonmilk) predicted the presence of genes involved in CO2 fixation, formaldehyde consumption, sulfur and nitrogen metabolisms, and microbially-induced carbonate precipitation. The detection of several putative lineages associated with C, N, S, Fe and Mn indicates that Fuente de la Canaria Cave basalts are colonized by metabolically diverse prokaryotic communities involved in the biogeochemical cycling of major elements.https://peerj.com/articles/11386.pdfLava tubeVolcanic caveLa Palma IslandBiogeochemical cyclesProteobacteria |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jose Luis Gonzalez-Pimentel Tamara Martin-Pozas Valme Jurado Ana Zelia Miller Ana Teresa Caldeira Octavio Fernandez-Lorenzo Sergio Sanchez-Moral Cesareo Saiz-Jimenez |
spellingShingle |
Jose Luis Gonzalez-Pimentel Tamara Martin-Pozas Valme Jurado Ana Zelia Miller Ana Teresa Caldeira Octavio Fernandez-Lorenzo Sergio Sanchez-Moral Cesareo Saiz-Jimenez Prokaryotic communities from a lava tube cave in La Palma Island (Spain) are involved in the biogeochemical cycle of major elements PeerJ Lava tube Volcanic cave La Palma Island Biogeochemical cycles Proteobacteria |
author_facet |
Jose Luis Gonzalez-Pimentel Tamara Martin-Pozas Valme Jurado Ana Zelia Miller Ana Teresa Caldeira Octavio Fernandez-Lorenzo Sergio Sanchez-Moral Cesareo Saiz-Jimenez |
author_sort |
Jose Luis Gonzalez-Pimentel |
title |
Prokaryotic communities from a lava tube cave in La Palma Island (Spain) are involved in the biogeochemical cycle of major elements |
title_short |
Prokaryotic communities from a lava tube cave in La Palma Island (Spain) are involved in the biogeochemical cycle of major elements |
title_full |
Prokaryotic communities from a lava tube cave in La Palma Island (Spain) are involved in the biogeochemical cycle of major elements |
title_fullStr |
Prokaryotic communities from a lava tube cave in La Palma Island (Spain) are involved in the biogeochemical cycle of major elements |
title_full_unstemmed |
Prokaryotic communities from a lava tube cave in La Palma Island (Spain) are involved in the biogeochemical cycle of major elements |
title_sort |
prokaryotic communities from a lava tube cave in la palma island (spain) are involved in the biogeochemical cycle of major elements |
publisher |
PeerJ Inc. |
series |
PeerJ |
issn |
2167-8359 |
publishDate |
2021-05-01 |
description |
Lava caves differ from karstic caves in their genesis and mineral composition. Subsurface microbiology of lava tube caves in Canary Islands, a volcanic archipelago in the Atlantic Ocean, is largely unknown. We have focused the investigation in a representative lava tube cave, Fuente de la Canaria Cave, in La Palma Island, Spain, which presents different types of speleothems and colored microbial mats. Four samples collected in this cave were studied using DNA next-generation sequencing and field emission scanning electron microscopy for bacterial identification, functional profiling, and morphological characterization. The data showed an almost exclusive dominance of Bacteria over Archaea. The distribution in phyla revealed a majority abundance of Proteobacteria (37–89%), followed by Actinobacteria, Acidobacteria and Candidatus Rokubacteria. These four phyla comprised a total relative abundance of 72–96%. The main ecological functions in the microbial communities were chemoheterotrophy, methanotrophy, sulfur and nitrogen metabolisms, and CO2 fixation; although other ecological functions were outlined. Genome annotations of the especially representative taxon Ga0077536 (about 71% of abundance in moonmilk) predicted the presence of genes involved in CO2 fixation, formaldehyde consumption, sulfur and nitrogen metabolisms, and microbially-induced carbonate precipitation. The detection of several putative lineages associated with C, N, S, Fe and Mn indicates that Fuente de la Canaria Cave basalts are colonized by metabolically diverse prokaryotic communities involved in the biogeochemical cycling of major elements. |
topic |
Lava tube Volcanic cave La Palma Island Biogeochemical cycles Proteobacteria |
url |
https://peerj.com/articles/11386.pdf |
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