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dc.contributor.authorFones, Elizabeth M.
dc.contributor.authorColman, Daniel R.
dc.contributor.authorKraus, Emily A.
dc.contributor.authorNothaft, Daniel B.
dc.contributor.authorPoudel, Saroj
dc.contributor.authorRempfert, Kaitlin R.
dc.contributor.authorSpear, John R.
dc.contributor.authorTempleton, Alexis S.
dc.contributor.authorBoyd, Eric S.
dc.date.accessioned2019-08-26T16:45:17Z
dc.date.available2019-08-26T16:45:17Z
dc.date.issued2019-03
dc.identifier.citationFones, Elizabeth M., Daniel R. Colman, Emily A. Kraus, Daniel B. Nothaft, Saroj Poudel, Kaitlin R. Rempfert, John R. Spear, Alexis S. Templeton, and Eric S. Boyd. "Physiological adaptations to serpentinization in the Samail Ophiolite, Oman." ISME Journal (March 2019). DOI:10.1038/s41396-019-0391-2.en_US
dc.identifier.issn1751-7362
dc.identifier.urihttps://scholarworks.montana.edu/xmlui/handle/1/15636
dc.description.abstractHydration of ultramafic rock during the geologic process of serpentinization can generate reduced substrates that microorganisms may use to fuel their carbon and energy metabolisms. However, serpentinizing environments also place multiple constraints on microbial life by generating highly reduced hyperalkaline waters that are limited in dissolved inorganic carbon. To better understand how microbial life persists under these conditions, we performed geochemical measurements on waters from a serpentinizing environment and subjected planktonic microbial cells to metagenomic and physiological analyses. Metabolic potential inferred from metagenomes correlated with fluid type, and genes involved in anaerobic metabolisms were enriched in hyperalkaline waters. The abundance of planktonic cells and their rates of utilization of select single-carbon compounds were lower in hyperalkaline waters than alkaline waters. However, the ratios of substrate assimilation to dissimilation were higher in hyperalkaline waters than alkaline waters, which may represent adaptation to minimize energetic and physiologic stress imposed by highly reducing, carbon-limited conditions. Consistent with this hypothesis, estimated genome sizes and average oxidation states of carbon in inferred proteomes were lower in hyperalkaline waters than in alkaline waters. These data suggest that microorganisms inhabiting serpentinized waters exhibit a unique suite of physiological adaptations that allow for their persistence under these polyextremophilic conditions.en_US
dc.rightsCC BY: This license lets you distribute, remix, tweak, and build upon this work, even commercially, as long as you credit the original creator for this work. This is the most accommodating of licenses offered. Recommended for maximum dissemination and use of licensed materials.en_US
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/legalcodeen_US
dc.titlePhysiological adaptations to serpentinization in the Samail Ophiolite, Omanen_US
dc.typeArticleen_US
mus.citation.extentfirstpage1750en_US
mus.citation.extentlastpage1762en_US
mus.citation.journaltitleISME Journalen_US
mus.citation.volume13en_US
mus.identifier.doi10.1038/s41396-019-0391-2en_US
mus.relation.collegeCollege of Agricultureen_US
mus.relation.collegeCollege of Letters & Scienceen_US
mus.relation.departmentMicrobiology & Immunology.en_US
mus.relation.universityMontana State University - Bozemanen_US
mus.data.thumbpage6en_US


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CC BY: This license lets you distribute, remix, tweak, and build upon this work, even commercially, as long as you credit the original creator for this work. This is the most accommodating of licenses offered. Recommended for maximum dissemination and use of licensed materials.
Except where otherwise noted, this item's license is described as CC BY: This license lets you distribute, remix, tweak, and build upon this work, even commercially, as long as you credit the original creator for this work. This is the most accommodating of licenses offered. Recommended for maximum dissemination and use of licensed materials.

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