Impact of metabolism and temperature on <sup>2</sup>H ∕ <sup>1</sup>H fractionation in lipids of the marine bacterium <italic>Shewanella piezotolerans</italic> WP3
Abstract ε FA/water) display considerable variations for cultures grown on different substrates. Specifically, WP3 yielded the most 2 H -enriched fatty acids growing on L-glutamate and pyruvate with an ε FA/water of 52 ± ± 2 H depletion using GlcNac (- ± - ± ± - ± δ 2 H values of fatty acids, with strong 2 H depletion at an optimal growth temperature (- ± - ∘ C, respectively) and relatively small fractionations at non-optimal temperatures (4 ± - ± ± ∘ C, respectively). We hypothesized that this may be associated with temperature-induced enzyme activity for nicotinamide adenine dinucleotide phosphate (NADPH) production. This study helps understand the controlling factors of hydrogen isotope fractionation by marine bacteria, laying the foundation for further interpreting the hydrogen isotope signatures of lipids as an important proxy to decode the biogeochemical cycles and ecological changes in marine sediments.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Impact of metabolism and temperature on 2H ∕ 1H fractionation in lipids of the marine bacterium
Shewanella piezotolerans WP3 ; volume:20 ; number:7 ; year:2023 ; pages:1491-1504 ; extent:14
Biogeosciences ; 20, Heft 7 (2023), 1491-1504 (gesamt 14)
- Creator
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Chen, Xin
Zhao, Weishu
Dong, Liang
Jian, Huahua
Liang, Lewen
Wang, Jing
Wang, Fengping
- DOI
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10.5194/bg-20-1491-2023
- URN
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urn:nbn:de:101:1-2023042005280218029817
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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20.04.2025, 8:16 PM CEST
Data provider
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Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Chen, Xin
- Zhao, Weishu
- Dong, Liang
- Jian, Huahua
- Liang, Lewen
- Wang, Jing
- Wang, Fengping
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