DOI: 10.1515/znc-1989-5-610. Carbon Isotope Fractionation by Autotrophic Bacteria with Three Different C0<sub>2</sub> Fixation Pathways

Carbon Isotope Fractionation by Autotrophic Bacteria with Three Different C02 Fixation Pathways

10.1515/znc-1989-5-610

Crossref journal-article

Walter de Gruyter GmbH

Zeitschrift für Naturforschung C (374)

Abstract

Abstract Carbon isotope fractionation during autotrophic growth o f different bacteria which possess different autotrophic CO2 fixation pathways has been studied. 13C /12C -Ratios in the cell carbon of the following bacteria were determined (CO2 fixation pathway suggested or proven in parentheses): Alkaligenes eutrophus (reductive pentose phosphate cycle), Desulfobacterium autotrophicum and Acetobacterium woodii (reductive acetyl-CoA pathway), Desulfobacter hydrogenophilus and Thermoproteus neutrophilus (reductive citric acid cycle). The Δδ13C values, which indicate the per mille deviation of the 13C content of cell carbon from that of the CO : used as the sole carbon source, range from - 10%° (reductive citric acid cycle) over - 26%° (reductive pentose phosphate cycle) to -36%° (reductive acetyl-CoA pathway). Acetate formed via the acetyl-CoA pathway by the acetogenic Acetobacterium woodii showed a Δδ13C = -40%°. These data are discussed in view of the different CO2 fixation reactions used by the bacteria and especially with regard to the isotopic composition of sedimentary carbon through time.

Bibliography

PreuÃ, A., Schauder, R., Fuchs, G., & Stichler, W. (1989). Carbon Isotope Fractionation by Autotrophic Bacteria with Three Different C02 Fixation Pathways. Zeitschrift FÃ¼r Naturforschung C, 44(5â6), 397â402.

Authors 4

Andrea Preuß (first)
Rolf Schauder (additional)
Georg Fuchs (additional)
Willibald Stichler (additional)

References 0 Referenced 114

None

Dates

Type	When
Created	7 years, 11 months ago (Sept. 21, 2017, 10:37 a.m.)
Deposited	4 years, 2 months ago (June 22, 2021, 10:08 a.m.)
Indexed	4 days, 16 hours ago (Sept. 2, 2025, 6:50 a.m.)
Issued	36 years, 3 months ago (June 1, 1989)
Published	36 years, 3 months ago (June 1, 1989)
Published Online	11 years, 3 months ago (June 2, 2014)
Published Print	36 years, 3 months ago (June 1, 1989)

Funders 0

None

BibTeX

@article{Preu__1989, title={Carbon Isotope Fractionation by Autotrophic Bacteria with Three Different C02 Fixation Pathways}, volume={44}, ISSN={0939-5075}, url={http://dx.doi.org/10.1515/znc-1989-5-610}, DOI={10.1515/znc-1989-5-610}, number={5–6}, journal={Zeitschrift für Naturforschung C}, publisher={Walter de Gruyter GmbH}, author={Preuß, Andrea and Schauder, Rolf and Fuchs, Georg and Stichler, Willibald}, year={1989}, month=jun, pages={397–402} }

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  "abstract": "<jats:title>Abstract</jats:title>\n               <jats:p> Carbon isotope fractionation during autotrophic growth o f different bacteria which possess different autotrophic CO<jats:sub>2</jats:sub> fixation pathways has been studied. <jats:sup>13</jats:sup>C /<jats:sup>12</jats:sup>C -Ratios in the cell carbon of the following bacteria were determined (CO<jats:sub>2</jats:sub> fixation pathway suggested or proven in paren\u00adtheses): Alkaligenes eutrophus (reductive pentose phosphate cycle), Desulfobacterium autotrophicum and Acetobacterium woodii (reductive acetyl-CoA pathway), Desulfobacter hydrogenophilus and Thermoproteus neutrophilus (reductive citric acid cycle). The \u0394\u03b4<jats:sup>13</jats:sup>C values, which indicate the per mille deviation of the <jats:sup>13</jats:sup>C content of cell carbon from that of the CO : used as the sole carbon source, range from - 10%<jats:sub>\u00b0</jats:sub> (reductive citric acid cycle) over - 26%<jats:sub>\u00b0</jats:sub> (reductive pentose phosphate cycle) to -36%<jats:sub>\u00b0</jats:sub> (reductive acetyl-CoA pathway). Acetate formed via the acetyl-CoA pathway by the acetogenic Acetobacterium woodii showed a \u0394\u03b4<jats:sup>13</jats:sup>C = -40%<jats:sub>\u00b0.</jats:sub> These data are discussed in view of the different CO<jats:sub>2</jats:sub> fixation reactions used by the bacteria and especially with regard to the isotopic composition of sedimentary carbon through time.</jats:p>",
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