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Linking Diversity and Stable Isotope Fractionation in Ammonia-Oxidizing Bacteria
Abstract
The link between similarity in amino acid sequence for ammonia monooxygenase (AMO) and isotopic discrimination for ammonia oxidation ( l AMO ) was investigated in g -subdivision ammonia-oxidizing bacteria. The isotope effects for ammonia oxidation in pure cultures of the nitrifying strains Nitrosomonas marina , Nitrosomonas C-113a, Nitrosospira tenuis , Nitrosomonas europaea , and Nitrosomonas eutropha ranged from 14.2 to 38.2. The differences in isotope effects could not be readily explained by differential rates of ammonia oxidation, transport of NH 4 + , or accumulation of NH 2 OH or N 2 O among the strains. The major similarities and differences observed in l AMO are, however, paralleled by similarities and differences in amino acid sequences for the f -subunit of AMO (AmoA). Robust differences in l AMO among nitrifying bacteria may be expected to influence the stable isotopic signatures of nitrous oxide (N 2 O) produced in various environments.
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Cited by
Wunderlin, P., Mohn, J., Joss, A., Emmenegger, L., & Siegrist, H. (2012) · Water Research · doi:10.1016/j.watres.2011.11.080 · Cited by 573
Nitrogen isotope fractionation by alternative nitrogenases and past ocean anoxia
Zhang, X., Sigman, D. M., Morel, F. M. M., & Kraepiel, A. M. L. (2014) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1402976111 · Cited by 215
Self-citationHiggins, M. B., Robinson, R. S., Husson, J. M., Carter, S. J., & Pearson, A. (2012) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.1104313109 · Cited by 193
Nitrogen isotope dynamics of the Cariaco Basin, Venezuela
Thunell, R. C., Sigman, D. M., Muller‐Karger, F., Astor, Y., & Varela, R. (2004) · Global Biogeochemical Cycles · doi:10.1029/2003gb002185 · Cited by 185
Self-citationAder, M., Sansjofre, P., Halverson, G. P., Busigny, V., Trindade, R. I. F., Kunzmann, M., & Nogueira, A. C. R. (2014) · Earth and Planetary Science Letters · doi:10.1016/j.epsl.2014.03.042 · Cited by 180
Metadata
- Authors
- Casciotti, K. L., Sigman, D. M., & Ward, B. B.
- Venue
- Geomicrobiology Journal
- Publisher
- Informa UK Limited
- Published
- 2003-07-01
- Volume
- 20
- Issue
- 4
- Pages
- 335-353
- ISSN
- 0149-0451 (ISSN-L)
- 1521-0529
- OpenAlex
- W2085118846
- Cited by
- 333
- References
- 0
- FWCI
- 7.34
- Type
- journal article
- Language
- en
- Open access
- closed
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- Casciotti, K. L., Sigman, D. M., & Ward, B. B. (2003). Linking Diversity and Stable Isotope Fractionation in Ammonia-Oxidizing Bacteria. Geomicrobiology Journal. https://doi.org/10.1080/01490450303895
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