2023 article

Nitrogen Fixation and Ammonium Assimilation Pathway Expression of Geobacter sulfurreducens Changes in Response to the Anode Potential in Microbial Electrochemical Cells

Ortiz-Medina, J. F., Poole, M. R., Grunden, A. M., & Call, D. F. (2023, March 28). APPLIED AND ENVIRONMENTAL MICROBIOLOGY.

By: J. Ortiz-Medina  n, M. Poole n, A. Grunden n  & D. Call n 

author keywords: electromicrobiology; Geobacter; nitrogen fixation
MeSH headings : Nitrogen Fixation; Ammonium Compounds / metabolism; Geobacter / metabolism; Electrodes; Nitrogenase / metabolism; Nitrogen / metabolism
TL;DR: The anode potential in microbial electrochemical technologies has a significant impact on nitrogen gas fixation rates, ammonium assimilation pathways, and expression of genes associated with nitrogen gasfixing in Geobacter sulfurreducens. (via Semantic Scholar)
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Added: April 11, 2023

Biological nitrogen fixation coupled with ammonium recovery provides a sustainable alternative to the carbon-, water-, and energy-intensive Haber-Bosch process. Aerobic biological nitrogen fixation technologies are hindered by oxygen gas inhibition of the nitrogenase enzyme.