Results 51 to 60 of about 11,660 (194)

Biosynthesis of Nitrogenase Metalloclusters [PDF]

Chemical Reviews, 2013
Nitrogenase is a complex metalloenzyme that is best known for its function in biological nitrogen fixation.1,2 Harbored in a group of microbes called diazotrophs, nitrogenase catalyzes the reduction of nitrogen (N2) to ammonia (NH3) in a reaction that is usually depicted as N2 + 8H+ + 16MgATP + 8e− → 2NH3 + H2 + 16MgADP + 16Pi.
Markus W, Ribbe, Yilin, Hu, Keith O, Hodgson, Britt, Hedman   +3 more
openaire   +2 more sources

Distributions and Abundances of Sublineages of the N2-Fixing Cyanobacterium Candidatus Atelocyanobacterium thalassa (UCYN-A) in the New Caledonian Coral Lagoon

Frontiers in Microbiology, 2018
Nitrogen (N2) fixation is a major source of nitrogen that supports primary production in the vast oligotrophic areas of the world’s oceans. The Western Tropical South Pacific has recently been identified as a hotspot for N2 fixation. In the Noumea lagoon
Britt A. Henke, Kendra A. Turk-Kubo, Sophie Bonnet, Jonathan P. Zehr   +3 more
doaj   +1 more source

Metabolomics and Dual RNA-Sequencing on Root Nodules Revealed New Cellular Functions Controlled by Paraburkholderia phymatum NifA

Metabolites, 2021
Paraburkholderia phymatum STM815 is a nitrogen-fixing endosymbiont that nodulate the agriculturally important Phaseolus vulgaris and several other host plants.
Paula Bellés-Sancho, Martina Lardi, Yilei Liu, Leo Eberl, Nicola Zamboni, Aurélien Bailly, Gabriella Pessi   +6 more
doaj   +1 more source

Effect of bio‐fertilization and edapho‐climatic conditions on chickpea nodulation, grain yields, and seed protein in a Mediterranean context: a meta‐analysis approach

Journal of the Science of Food and Agriculture, EarlyView.
Abstract Chickpeas (Cicer arietinum L.) serve as a protein‐rich staple, particularly in Mediterranean countries, where they are often grown in marginal and water‐stressed areas. This meta‐analysis synthesized evidence from peer‐reviewed publications across Mediterranean countries to assess how chickpea rhizobial inoculation influences chickpea ...
Amira Hachana, Amir Souissi, Lewis Ziska, Katherine Morgan, Carina Yiu, Issam Achour, Asma Bouatrous, Imen Hemissi, Hanen Arfaoui, Anissa Riahi, Manel Bouraoui, Bouaziz Sifi   +11 more
wiley   +1 more source

Salicylic acid mediated changes in growth, photosynthesis, nitrogen metabolism and antioxidant defense system in Cicer arietinum L.

Plant, Soil and Environment, 2012
The present study reveals that the foliar application of salicylic acid (SA), irrespective of the concentration used, generated an increase of dry mass per plant, nodule dry mass and leghemoglobin content in chickpea plants.
Q. Hayat, S. Hayat, M.N. Alyemeni, A. Ahmad   +3 more
doaj   +1 more source

Quantum Mechanical Calculations of Redox Potentials of the Metal Clusters in Nitrogenase

Molecules, 2022
We have calculated redox potentials of the two metal clusters in Mo-nitrogenase with quantum mechanical (QM) calculations. We employ an approach calibrated for iron–sulfur clusters with 1–4 Fe ions, involving QM-cluster calculations in continuum solvent ...
Hao Jiang, Oskar K. G. Svensson, Ulf Ryde   +2 more
doaj   +1 more source

Ecosystem retrogression enhances cross‐domain microbial stability and increases the genetic potential for nutrient cycling

mLife, EarlyView.
Abstract Ecosystem retrogression drives nutrient depletion, reduced productivity, and profound reorganization of soil microbial communities. Using amplicon sequencing and genome‐resolved metagenomics, we examined how cross‐domain microbial networks and functional gene potential respond to long‐term phosphorus and nitrogen limitation along the well ...
Javier A. Ceja‐Navarro, Dishant Patel, Garret Genco, Alyssa Byer, Daliang Ning, Kenneth H. Wan, Susan E. Celniker, Jizhong Zhou, Paul Dijkstra, Bruce A. Hungate, Jennifer Pett‐Ridge, Eoin L. Brodie   +11 more
wiley   +1 more source

Biosynthesis of nitrogenase FeMoco [PDF]

Coordination Chemistry Reviews, 2011
Biosynthesis of nitrogenase FeMoco is a highly complex process that requires, minimally, the participation of nifS, nifU, nifB, nifE, nifN, nifV, nifH, nifD and nifK gene products. Previous genetic analyses have identified the essential factors for the assembly of FeMoco; however, the exact functions of these factors and the precise sequence of events ...
Yilin, Hu, Markus W, Ribbe
openaire   +2 more sources

How Close We Are to Achieving Commercially Viable Large-Scale Photobiological Hydrogen Production by Cyanobacteria: A Review of the Biological Aspects

Life, 2015
Photobiological production of H2 by cyanobacteria is considered to be an ideal source of renewable energy because the inputs, water and sunlight, are abundant. The products of photobiological systems are H2 and O2; the H2 can be used as the energy source
Hidehiro Sakurai, Hajime Masukawa, Masaharu Kitashima, Kazuhito Inoue   +3 more
doaj   +1 more source

Outer‐Sphere Tuning of Synthetic Iron–Sulfur Clusters Within Nanoscale Cage Frameworks

Small, EarlyView.
Noncovalent encapsulation of a synthetic iron–sulfur cluster within hydrophobic, naphthalenediimide (NDI)‐paneled cages is shown to lead to dramatic changes in the electronic structure and covalency of the Fe─S core. ABSTRACT As atomic‐scale archetypes for multi‐electron transfer, iron–sulfur clusters are compelling candidates for the design of redox ...
Rupal Baliyan, Shelby T. Davis, Jan‐Niklas Boyn, Gwendolyn A. Bailey   +3 more
wiley   +1 more source