Unchanged nitrate and nitrite isotope fractionation during heterotrophic and Fe(II)-mixotrophic denitrification suggest a non-enzymatic link between denitrification and Fe(II) oxidation

Unchanged nitrate and nitrite isotope fractionation during heterotrophic and Fe(II)-mixotrophic denitrification suggest a non-enzymatic link between denitrification and Fe(II) oxidation

Natural-abundance measurements of nitrate and nitrite (NOx) isotope ratios (δ15N and δ18O) can be a valuable tool to study the biogeochemical fate of NOx species in the environment. A prerequisite for using NOx isotopes in this regard is an understanding of the mechanistic details of isotope fractio...

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Bibliographic Details
Main Authors: Anna-Neva Visser, Scott D. Wankel, Claudia Frey, Andreas Kappler, Moritz F. Lehmann
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-09-01
Series:Frontiers in Microbiology
Subjects:
denitrification
nitrate/nitrite isotopes
iron oxidation
isotope fractionation
carbon substrate
Online Access:https://www.frontiersin.org/articles/10.3389/fmicb.2022.927475/full

Internet

https://www.frontiersin.org/articles/10.3389/fmicb.2022.927475/full

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