Biosynthesis of nitrogenase cofactors

S Burén, E Jiménez-Vicente… - Chemical …, 2020 - ACS Publications
Nitrogenase harbors three distinct metal prosthetic groups that are required for its activity.
The simplest one is a [4Fe-4S] cluster located at the Fe protein nitrogenase component. The …

Biosynthesis of the iron-molybdenum cofactor of nitrogenase

LM Rubio, PW Ludden - Annu. Rev. Microbiol., 2008 - annualreviews.org
The iron-molybdenum cofactor (FeMo-co), located at the active site of the molybdenum
nitrogenase, is one of the most complex metal cofactors known to date. During the past …

Control of nitrogen fixation in bacteria that associate with cereals

MH Ryu, J Zhang, T Toth, D Khokhani, BA Geddes… - Nature …, 2020 - nature.com
Legumes obtain nitrogen from air through rhizobia residing in root nodules. Some species of
rhizobia can colonize cereals but do not fix nitrogen on them. Disabling native regulation …

Nitrogen journey in plants: From uptake to metabolism, stress response, and microbe interaction

O Zayed, OA Hewedy, A Abdelmoteleb, M Ali… - Biomolecules, 2023 - mdpi.com
Plants uptake and assimilate nitrogen from the soil in the form of nitrate, ammonium ions,
and available amino acids from organic sources. Plant nitrate and ammonium transporters …

Biochemistry, evolution and physiological function of the Rnf complex, a novel ion-motive electron transport complex in prokaryotes

E Biegel, S Schmidt, JM González, V Müller - Cellular and molecular life …, 2011 - Springer
Microbes have a fascinating repertoire of bioenergetic enzymes and a huge variety of
electron transport chains to cope with very different environmental conditions, such as …

Bacterial approaches for assembling iron-sulfur proteins

K Esquilin-Lebron, S Dubrac, F Barras, JM Boyd - Mbio, 2021 - Am Soc Microbiol
Building iron-sulfur (Fe-S) clusters and assembling Fe-S proteins are essential actions for
life on Earth. The three processes that sustain life, photosynthesis, nitrogen fixation, and …

Exploring the alternatives of biological nitrogen fixation

F Mus, AB Alleman, N Pence, LC Seefeldt… - Metallomics, 2018 - academic.oup.com
Most biological nitrogen fixation (BNF) results from the activity of the molybdenum
nitrogenase (Mo-nitrogenase, Nif), an oxygen-sensitive metalloenzyme complex found in all …

Genome Sequence of Azotobacter vinelandii, an Obligate Aerobe Specialized To Support Diverse Anaerobic Metabolic Processes

JC Setubal, P Dos Santos, BS Goldman… - Journal of …, 2009 - Am Soc Microbiol
Azotobacter vinelandii is a soil bacterium related to the Pseudomonas genus that fixes
nitrogen under aerobic conditions while simultaneously protecting nitrogenase from oxygen …

The Electron Bifurcating FixABCX Protein Complex from Azotobacter vinelandii: Generation of Low-Potential Reducing Equivalents for Nitrogenase Catalysis

RN Ledbetter, AM Garcia Costas, CE Lubner… - Biochemistry, 2017 - ACS Publications
The biological reduction of dinitrogen (N2) to ammonia (NH3) by nitrogenase is an
energetically demanding reaction that requires low-potential electrons and ATP; however …

The Rnf Complex of Clostridium ljungdahlii Is a Proton-Translocating Ferredoxin:NAD+ Oxidoreductase Essential for Autotrophic Growth

PL Tremblay, T Zhang, SA Dar, C Leang, DR Lovley - MBio, 2013 - Am Soc Microbiol
It has been predicted that the Rnf complex of Clostridium ljungdahlii is a proton-translocating
ferredoxin: NAD+ oxidoreductase which contributes to ATP synthesis by an H+-translocating …