In Fig. 1 are depicted the nitrogen species of known or presumed biochemical importance in each formal valence state, and the known or presumed reaction pathways for the major biochemical nitrogen transformations. Certain intermediate species such as hydroxylamine and nitrous oxide are common to more than one biochemical pathway and a possibility exists for “leakage” of these species between reaction pathways under appropriate environmental conditions. In such cases, analyses of stable subtrates or end products may not provide complete information about the nitrogen biochemistry of the system studied, especially if the analyses do not include all possible substrates and the end products.
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- Nitrogen Diagenesis in Marine Sediments: Evidence for Suboxic and Anoxic Conversion of Organic-N to N2 Gas
Ross O. Barnes
- Springer Berlin Heidelberg