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Mechanism for nitrogen isotope fractionation during ammonium assimilation by Escherichia coli K12
Organisms that use ammonium as the sole nitrogen source discriminate between [(15)N] and [(14)N] ammonium. This selectivity leaves an isotopic signature in their biomass that depends on the external concentration of ammonium. To dissect how differences in discrimination arise molecularly, we examine...
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| Main Authors: | , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
National Academy of Sciences
2013
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3666723/ https://ncbi.nlm.nih.gov/pubmed/23650377 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1216683110 |
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