Biogeosciences
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Articles | Volume 20, issue 7
Articles | Volume 20, issue 7
https://doi.org/10.5194/bg-20-1491-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-20-1491-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 7
Research article
 | 
14 Apr 2023
Research article |  | 14 Apr 2023

Impact of metabolism and temperature on 2H ∕ 1H fractionation in lipids of the marine bacterium Shewanella piezotolerans WP3

Xin Chen, Weishu Zhao, Liang Dong, Huahua Jian, Lewen Liang, Jing Wang, and Fengping Wang

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Short summary
Here, we studied the effects of metabolism and growth temperature on 2H/1H fractionation between fatty acids and growth water (εFA/water) by Shewanella piezotolerans WP3. Our results show that the εFA/water values display considerable variations for cultures grown on different substrates. Combined with metabolic model analysis, our results indicate that the central metabolic pathways exert a fundamental effect on the hydrogen isotope composition of lipids in heterotrophs.
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