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Bacterial community composition in relation to bedrock type and macrobiota in soils from the Sør Rondane Mountains, East Antarctica

Bjorn Tytgat (UGent) , Elie Verleyen (UGent) , Maxime Sweetlove (UGent) , Sofie D'hondt (UGent) , Pia Clercx (UGent) , Eric Van Ranst (UGent) , Karolien Peeters, Stephen Roberts, Zorigto Namsaraev, Annick Wilmotte, et al.
(2016) FEMS MICROBIOLOGY ECOLOGY. 92(9).
Author
Organization
Abstract
Antarctic soils are known to be oligotrophic and of having low buffering capacities. It is expected that this is particularly the case for inland high altitude regions. We hypothesized that the bedrock type and the presence of macrobiota in these soils enforce a high selective pressure on their bacterial communities. To test this, we analysed the bacterial community structure in 52 soil samples from the western Sør Rondane Mountains (Dronning Maud Land, East Antarctica) using the Illumina MiSeq platform in combination with ARISA fingerprinting. The samples were taken along broad environmental gradients in an area covering nearly 1000 km². Ordination and variation partitioning analyses revealed that the total organic carbon content was the most significant variable in structuring the bacterial communities, followed by pH, electric conductivity, bedrock type and the moisture content, while spatial distance was of relatively minor importance. Acidobacteria (Chloracidobacteria) and Actinobacteria (Actinomycetales) dominated gneiss derived mineral soil samples, while Proteobacteria (Sphingomonadaceae), Cyanobacteria, Armatimonadetes and candidate division FBP dominated soil samples with a high total organic carbon content that were mainly situated on granite derived bedrock.
Keywords
16S rRNA, Illumina, inland nunataks, ice-free, terrestrial environment, 16S RIBOSOMAL-RNA, DRONNING-MAUD-LAND, INTERGENIC SPACER ANALYSIS, DRY VALLEY SOILS, MICROBIAL DIVERSITY, CYANOBACTERIAL DIVERSITY, NEIGHBOR MATRICES, NITROGEN-FIXATION, ROCK GEOCHEMISTRY, ECOLOGICAL DATA

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Citation

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MLA
Tytgat, Bjorn, et al. “Bacterial Community Composition in Relation to Bedrock Type and Macrobiota in Soils from the Sør Rondane Mountains, East Antarctica.” FEMS MICROBIOLOGY ECOLOGY, edited by Max Häggblom, vol. 92, no. 9, 2016, doi:10.1093/femsec/fiw126.
APA
Tytgat, B., Verleyen, E., Sweetlove, M., D’hondt, S., Clercx, P., Van Ranst, E., … Willems, A. (2016). Bacterial community composition in relation to bedrock type and macrobiota in soils from the Sør Rondane Mountains, East Antarctica. FEMS MICROBIOLOGY ECOLOGY, 92(9). https://doi.org/10.1093/femsec/fiw126
Chicago author-date
Tytgat, Bjorn, Elie Verleyen, Maxime Sweetlove, Sofie D’hondt, Pia Clercx, Eric Van Ranst, Karolien Peeters, et al. 2016. “Bacterial Community Composition in Relation to Bedrock Type and Macrobiota in Soils from the Sør Rondane Mountains, East Antarctica.” Edited by Max Häggblom. FEMS MICROBIOLOGY ECOLOGY 92 (9). https://doi.org/10.1093/femsec/fiw126.
Chicago author-date (all authors)
Tytgat, Bjorn, Elie Verleyen, Maxime Sweetlove, Sofie D’hondt, Pia Clercx, Eric Van Ranst, Karolien Peeters, Stephen Roberts, Zorigto Namsaraev, Annick Wilmotte, Wim Vyverman, and Anne Willems. 2016. “Bacterial Community Composition in Relation to Bedrock Type and Macrobiota in Soils from the Sør Rondane Mountains, East Antarctica.” Ed by. Max Häggblom. FEMS MICROBIOLOGY ECOLOGY 92 (9). doi:10.1093/femsec/fiw126.
Vancouver
1.
Tytgat B, Verleyen E, Sweetlove M, D’hondt S, Clercx P, Van Ranst E, et al. Bacterial community composition in relation to bedrock type and macrobiota in soils from the Sør Rondane Mountains, East Antarctica. Häggblom M, editor. FEMS MICROBIOLOGY ECOLOGY. 2016;92(9).
IEEE
[1]
B. Tytgat et al., “Bacterial community composition in relation to bedrock type and macrobiota in soils from the Sør Rondane Mountains, East Antarctica,” FEMS MICROBIOLOGY ECOLOGY, vol. 92, no. 9, 2016.
@article{7250592,
  abstract     = {{Antarctic soils are known to be oligotrophic and of having low buffering capacities. It is expected that this is particularly the case for inland high altitude regions. We hypothesized that the bedrock type and the presence of macrobiota in these soils enforce a high selective pressure on their bacterial communities. To test this, we analysed the bacterial community structure in 52 soil samples from the western Sør Rondane Mountains (Dronning Maud Land, East Antarctica) using the Illumina MiSeq platform in combination with ARISA fingerprinting. The samples were taken along broad environmental gradients in an area covering nearly 1000 km². Ordination and variation partitioning analyses revealed that the total organic carbon content was the most significant variable in structuring the bacterial communities, followed by pH, electric conductivity, bedrock type and the moisture content, while spatial distance was of relatively minor importance. Acidobacteria (Chloracidobacteria) and Actinobacteria (Actinomycetales) dominated gneiss derived mineral soil samples, while Proteobacteria (Sphingomonadaceae), Cyanobacteria, Armatimonadetes and candidate division FBP dominated soil samples with a high total organic carbon content that were mainly situated on granite derived bedrock.}},
  articleno    = {{fiw126}},
  author       = {{Tytgat, Bjorn and Verleyen, Elie and Sweetlove, Maxime and D'hondt, Sofie and Clercx, Pia and Van Ranst, Eric and Peeters, Karolien and Roberts, Stephen and Namsaraev, Zorigto and Wilmotte, Annick and Vyverman, Wim and Willems, Anne}},
  editor       = {{Häggblom, Max}},
  issn         = {{0168-6496}},
  journal      = {{FEMS MICROBIOLOGY ECOLOGY}},
  keywords     = {{16S rRNA,Illumina,inland nunataks,ice-free,terrestrial environment,16S RIBOSOMAL-RNA,DRONNING-MAUD-LAND,INTERGENIC SPACER ANALYSIS,DRY VALLEY SOILS,MICROBIAL DIVERSITY,CYANOBACTERIAL DIVERSITY,NEIGHBOR MATRICES,NITROGEN-FIXATION,ROCK GEOCHEMISTRY,ECOLOGICAL DATA}},
  language     = {{eng}},
  number       = {{9}},
  pages        = {{13}},
  title        = {{Bacterial community composition in relation to bedrock type and macrobiota in soils from the Sør Rondane Mountains, East Antarctica}},
  url          = {{http://doi.org/10.1093/femsec/fiw126}},
  volume       = {{92}},
  year         = {{2016}},
}
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