User:Reidbrown0605/Nitrogen fixation
 | This is the sandbox page where you will draft your initial Wikipedia contribution.
If you're starting a new article, you can develop it here until it's ready to go live. If you're working on improvements to an existing article, copy only one section at a time of the article to this sandbox to work on, and be sure to use an edit summary linking to the article you copied from. Do not copy over the entire article. You can find additional instructions here. Remember to save your work regularly using the "Publish page" button. (It just means 'save'; it will still be in the sandbox.) You can add bold formatting to your additions to differentiate them from existing content. |
Article Draft[edit]
I couldn't figure out how to post in the section of the article I plan on editing. In short, I plan on adding a section to the Nitrogen Fixation article. Specifically, I want to add a section discussing the evolutionary history of how nitrogenase evolved. I think the best place for that would be in the Biological section, under the microorganisms subsection. I will add a new subsection called "Evolution of Nitrogenase". Below is my drafted text.
Evolution of Nitrogenase[edit]
The origin of nitrogenase has been of interest to paleobiologists and is a current area of active research[1]. Nitrogenase is thought to have evolved sometime between 1.5-2.2 billion years ago (Ga)[2] although some isotopic support showing nitrogenase evolution as early as around 3.2 Ga[3]. Nitrogenase appears to have evolved maturase-like proteins, although the function of the preceding protein is currently unknown[4].
Nitrogenase has three different forms (Nif, Anf, and Vnf) that correspond with the metal found in the active site of the protein (Molybdenum, Iron, and Vanadium respectively)[5]. Marine metal abundances over Earth’s geologic timeline are thought to have driven the relative abundance of which form of nitrogenase was most common[6]. Currently, there is no conclusive agreement on which form of nitrogenase arose first.
- ^ Garcia, Amanda K.; McShea, Hanon; Kolaczkowski, Bryan; Kaçar, Betül (2020-05). "Reconstructing the evolutionary history of nitrogenases: Evidence for ancestral molybdenum‐cofactor utilization". Geobiology. 18 (3): 394–411. doi:10.1111/gbi.12381. ISSN 1472-4677. PMC 7216921. PMID 32065506.
{{cite journal}}: Check date values in:|date=(help)CS1 maint: PMC format (link) - ^ Boyd, E. S.; Anbar, A. D.; Miller, S.; Hamilton, T. L.; Lavin, M.; Peters, J. W. (2011-05). "A late methanogen origin for molybdenum‐dependent nitrogenase". Geobiology. 9 (3): 221–232. doi:10.1111/j.1472-4669.2011.00278.x. ISSN 1472-4677.
{{cite journal}}: Check date values in:|date=(help) - ^ Stüeken, Eva E.; Buick, Roger; Guy, Bradley M.; Koehler, Matthew C. (2015-04). "Isotopic evidence for biological nitrogen fixation by molybdenum-nitrogenase from 3.2 Gyr". Nature. 520 (7549): 666–669. doi:10.1038/nature14180. ISSN 0028-0836.
{{cite journal}}: Check date values in:|date=(help) - ^ Garcia, Amanda K; Kolaczkowski, Bryan; Kaçar, Betül (2022-03-02). Archibald, John (ed.). "Reconstruction of Nitrogenase Predecessors Suggests Origin from Maturase-Like Proteins". Genome Biology and Evolution. 14 (3). doi:10.1093/gbe/evac031. ISSN 1759-6653. PMC 8890362. PMID 35179578.
{{cite journal}}: CS1 maint: PMC format (link) - ^ Eady, Robert R. (1996-01-01). "Structure−Function Relationships of Alternative Nitrogenases". Chemical Reviews. 96 (7): 3013–3030. doi:10.1021/cr950057h. ISSN 0009-2665.
- ^ Anbar, A. D.; Knoll, A. H. (2002-08-16). "Proterozoic Ocean Chemistry and Evolution: A Bioinorganic Bridge?". Science. 297 (5584): 1137–1142. doi:10.1126/science.1069651. ISSN 0036-8075.