Microbial Communities Present in Hydrothermal Sediments from Deception Island, Antarctica
Deception Island is a geothermal location in Antarctica that presents active fumaroles, which confers unique characteristics to this habitat. Several studies about microbial communities in Antarctica have been carried out, nevertheless, Antarctic microbiota is still partially unknown. Here we presen...
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ftmdpi:oai:mdpi.com:/2076-2607/9/8/1631/ 2023-08-20T04:02:24+02:00 Microbial Communities Present in Hydrothermal Sediments from Deception Island, Antarctica Javier Vicente Miguel de Celis Alejandro Alonso Domingo Marquina Antonio Santos agris 2021-07-30 application/pdf https://doi.org/10.3390/microorganisms9081631 EN eng Multidisciplinary Digital Publishing Institute Environmental Microbiology https://dx.doi.org/10.3390/microorganisms9081631 https://creativecommons.org/licenses/by/4.0/ Microorganisms; Volume 9; Issue 8; Pages: 1631 hydrothermal sediment metataxonomic study microbial populations sediment characterization Text 2021 ftmdpi https://doi.org/10.3390/microorganisms9081631 2023-08-01T02:19:41Z Deception Island is a geothermal location in Antarctica that presents active fumaroles, which confers unique characteristics to this habitat. Several studies about microbial communities in Antarctica have been carried out, nevertheless, Antarctic microbiota is still partially unknown. Here we present a multidisciplinary study about sediments obtained by deposition during 4 years in which several approaches have been considered for their characterization. First, a physicochemical characterization, using ionic chromatography and mass spectrometry for the determination of most abundant ions (chloride and sulphate) and elements (mainly silicon), was conducted. In addition, the total microbial community was studied using a metataxonomical approach, revealing a bacterial community dominated by Proteobacteria and Thaumarchaeota as the main archaeal genera and a fungal community mainly composed by Aspergillaceae. Culture-dependent studies showed low microbial diversity, only achieving the isolation of Bacillus-related species, some of them thermophilic, and the isolation of common fungi of Aspergillus or Penicillium spp. Furthermore, diatoms were detected in the sediment and characterized attending to their morphological characteristics using scanning electron microscopy. The study reveals a high influence of the physicochemical conditions in the microbial populations and their distribution, offering valuable data on the interaction between the island and water microbiota. Text Antarc* Antarctic Antarctica Deception Island MDPI Open Access Publishing Antarctic Deception Island ENVELOPE(-60.633,-60.633,-62.950,-62.950) Microorganisms 9 8 1631 |
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MDPI Open Access Publishing |
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ftmdpi |
language |
English |
topic |
hydrothermal sediment metataxonomic study microbial populations sediment characterization |
spellingShingle |
hydrothermal sediment metataxonomic study microbial populations sediment characterization Javier Vicente Miguel de Celis Alejandro Alonso Domingo Marquina Antonio Santos Microbial Communities Present in Hydrothermal Sediments from Deception Island, Antarctica |
topic_facet |
hydrothermal sediment metataxonomic study microbial populations sediment characterization |
description |
Deception Island is a geothermal location in Antarctica that presents active fumaroles, which confers unique characteristics to this habitat. Several studies about microbial communities in Antarctica have been carried out, nevertheless, Antarctic microbiota is still partially unknown. Here we present a multidisciplinary study about sediments obtained by deposition during 4 years in which several approaches have been considered for their characterization. First, a physicochemical characterization, using ionic chromatography and mass spectrometry for the determination of most abundant ions (chloride and sulphate) and elements (mainly silicon), was conducted. In addition, the total microbial community was studied using a metataxonomical approach, revealing a bacterial community dominated by Proteobacteria and Thaumarchaeota as the main archaeal genera and a fungal community mainly composed by Aspergillaceae. Culture-dependent studies showed low microbial diversity, only achieving the isolation of Bacillus-related species, some of them thermophilic, and the isolation of common fungi of Aspergillus or Penicillium spp. Furthermore, diatoms were detected in the sediment and characterized attending to their morphological characteristics using scanning electron microscopy. The study reveals a high influence of the physicochemical conditions in the microbial populations and their distribution, offering valuable data on the interaction between the island and water microbiota. |
format |
Text |
author |
Javier Vicente Miguel de Celis Alejandro Alonso Domingo Marquina Antonio Santos |
author_facet |
Javier Vicente Miguel de Celis Alejandro Alonso Domingo Marquina Antonio Santos |
author_sort |
Javier Vicente |
title |
Microbial Communities Present in Hydrothermal Sediments from Deception Island, Antarctica |
title_short |
Microbial Communities Present in Hydrothermal Sediments from Deception Island, Antarctica |
title_full |
Microbial Communities Present in Hydrothermal Sediments from Deception Island, Antarctica |
title_fullStr |
Microbial Communities Present in Hydrothermal Sediments from Deception Island, Antarctica |
title_full_unstemmed |
Microbial Communities Present in Hydrothermal Sediments from Deception Island, Antarctica |
title_sort |
microbial communities present in hydrothermal sediments from deception island, antarctica |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2021 |
url |
https://doi.org/10.3390/microorganisms9081631 |
op_coverage |
agris |
long_lat |
ENVELOPE(-60.633,-60.633,-62.950,-62.950) |
geographic |
Antarctic Deception Island |
geographic_facet |
Antarctic Deception Island |
genre |
Antarc* Antarctic Antarctica Deception Island |
genre_facet |
Antarc* Antarctic Antarctica Deception Island |
op_source |
Microorganisms; Volume 9; Issue 8; Pages: 1631 |
op_relation |
Environmental Microbiology https://dx.doi.org/10.3390/microorganisms9081631 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.3390/microorganisms9081631 |
container_title |
Microorganisms |
container_volume |
9 |
container_issue |
8 |
container_start_page |
1631 |
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1774712834954887168 |