Taxonomically and functionally diverse microbial communities in deep crystalline rocks of the Fennoscandian shield

Mari Nyyssönen (Corresponding Author), J. Hultman, L. Ahonen, I. Kukkonen, L. Paulin, P. Laine, Merja Itävaara, P. Auvinen

Research output: Contribution to journalArticleScientificpeer-review

50 Citations (Scopus)

Abstract

Microbial life in the nutrient-limited and low-permeability continental crystalline crust is abundant but remains relatively unexplored. Using high-throughput sequencing to assess the 16S rRNA gene diversity, we found diverse bacterial and archaeal communities along a 2516-m-deep drill hole in continental crystalline crust in Outokumpu, Finland. These communities varied at different sampling depths in response to prevailing lithology and hydrogeochemistry. Further analysis by shotgun metagenomic sequencing revealed variable carbon and nutrient utilization strategies as well as specific functional and physiological adaptations uniquely associated with specific environmental conditions. Altogether, our results show that predominant geological and hydrogeochemical conditions, including the existence and connectivity of fracture systems and the low amounts of available energy, have a key role in controlling microbial ecology and evolution in the nutrient and energy-poor deep crustal biosphere.
Original languageEnglish
Pages (from-to)126-138
Number of pages12
JournalThe ISME Journal
Volume8
Issue number1
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

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crystalline rock
microbial communities
microbial community
shield
rocks
Food
nutrient
microbial ecology
energy
nutrients
nutrient utilization
crust
Finland
Physiological Adaptation
hydrogeochemistry
Metagenomics
permeability
Firearms
ribosomal RNA
Ecology

Cite this

Nyyssönen, Mari ; Hultman, J. ; Ahonen, L. ; Kukkonen, I. ; Paulin, L. ; Laine, P. ; Itävaara, Merja ; Auvinen, P. / Taxonomically and functionally diverse microbial communities in deep crystalline rocks of the Fennoscandian shield. In: The ISME Journal. 2014 ; Vol. 8, No. 1. pp. 126-138.
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title = "Taxonomically and functionally diverse microbial communities in deep crystalline rocks of the Fennoscandian shield",
abstract = "Microbial life in the nutrient-limited and low-permeability continental crystalline crust is abundant but remains relatively unexplored. Using high-throughput sequencing to assess the 16S rRNA gene diversity, we found diverse bacterial and archaeal communities along a 2516-m-deep drill hole in continental crystalline crust in Outokumpu, Finland. These communities varied at different sampling depths in response to prevailing lithology and hydrogeochemistry. Further analysis by shotgun metagenomic sequencing revealed variable carbon and nutrient utilization strategies as well as specific functional and physiological adaptations uniquely associated with specific environmental conditions. Altogether, our results show that predominant geological and hydrogeochemical conditions, including the existence and connectivity of fracture systems and the low amounts of available energy, have a key role in controlling microbial ecology and evolution in the nutrient and energy-poor deep crustal biosphere.",
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Nyyssönen, M, Hultman, J, Ahonen, L, Kukkonen, I, Paulin, L, Laine, P, Itävaara, M & Auvinen, P 2014, 'Taxonomically and functionally diverse microbial communities in deep crystalline rocks of the Fennoscandian shield', The ISME Journal, vol. 8, no. 1, pp. 126-138. https://doi.org/10.1038/ismej.2013.125

Taxonomically and functionally diverse microbial communities in deep crystalline rocks of the Fennoscandian shield. / Nyyssönen, Mari (Corresponding Author); Hultman, J.; Ahonen, L.; Kukkonen, I.; Paulin, L.; Laine, P.; Itävaara, Merja; Auvinen, P.

In: The ISME Journal, Vol. 8, No. 1, 2014, p. 126-138.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Hultman, J.

AU - Ahonen, L.

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AU - Laine, P.

AU - Itävaara, Merja

AU - Auvinen, P.

PY - 2014

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AB - Microbial life in the nutrient-limited and low-permeability continental crystalline crust is abundant but remains relatively unexplored. Using high-throughput sequencing to assess the 16S rRNA gene diversity, we found diverse bacterial and archaeal communities along a 2516-m-deep drill hole in continental crystalline crust in Outokumpu, Finland. These communities varied at different sampling depths in response to prevailing lithology and hydrogeochemistry. Further analysis by shotgun metagenomic sequencing revealed variable carbon and nutrient utilization strategies as well as specific functional and physiological adaptations uniquely associated with specific environmental conditions. Altogether, our results show that predominant geological and hydrogeochemical conditions, including the existence and connectivity of fracture systems and the low amounts of available energy, have a key role in controlling microbial ecology and evolution in the nutrient and energy-poor deep crustal biosphere.

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