Results 61 to 70 of about 6,680 (190)

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

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

Structural insights into the iron nitrogenase complex

, 2023
Nitrogenases are best known for catalysing the reduction of dinitrogen to ammonia at a complex metallic cofactor. Recently, nitrogenases were shown to reduce carbon dioxide (CO2) and carbon monoxide to hydrocarbons, offering a pathway to recycle carbon ...
Schulz, L., Schmidt, F., Rebelein, J. ; https://orcid.org/, Prinz, S., Erb, T. ; https://orcid.org/, Oehlmann, N., Zarzycki, J.   +6 more
core   +1 more source

Optimising Sulphur Fertilisation in Ryegrass–White Clover Swards Reduces Leached Nitrate Nitrogen Losses, While Increasing Plant Yield and Nitrogen Off‐Take

Journal of Plant Nutrition and Soil Science, EarlyView.
The inclusion of sulphur at two inorganic nitrogen rates (0 and 150 kg N ha−1) improves plant productivity in a ryegrass–white clover sward and reduces nitrate‐N loss to groundwater in a free‐draining sandy loam soil. ABSTRACT Background Reducing nitrogen (N) losses to water, lessening reliance on inorganic fertiliser and maintaining agricultural ...
Donal Kinsella, Imelda A. Casey, Patrick J. Forrestal   +2 more
wiley   +1 more source

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

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

Relieving your stress: PGPB associated with Andean xerophytic plants are most abundant and active on the most extreme slopes

Frontiers in Microbiology, 2023
IntroductionPlants interact with plant growth-promoting bacteria (PGPB), especially under stress condition in natural and agricultural systems. Although a potentially beneficial microbiome has been found associated to plants from alpine systems, this ...
Carla Aguilera-Torres, Carla Aguilera-Torres, Carla Aguilera-Torres, Gustavo Riveros, Loreto V. Morales, Loreto V. Morales, Angela Sierra-Almeida, Angela Sierra-Almeida, Mauricio Schoebitz, Mauricio Schoebitz, Rodrigo Hasbún   +10 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

Conformationally Gated Electron Transfer in Nitrogenase. Isolation, Purification, and Characterization of Nitrogenase From Gluconacetobacter diazotrophicus [PDF]

, 2018
Nitrogenase is a complex, bacterial enzyme that catalyzes the ATP-dependent reduction of dinitrogen (N2) to ammonia (NH3). In its most prevalent form, it consists of two proteins, the catalytic molybdenum-iron protein (MoFeP) and its specific reductase ...
Cedric P. Owens, Tezcan, Faik A, Faik A. Tezcan, Owens, Cedric P   +3 more
core   +1 more source

Structural insights into the iron nitrogenase complex [PDF]

Nitrogenases are best known for catalyzing the reduction of dinitrogen to ammonia at a complex metallic cofactor. Recently, nitrogenases were shown to reduce carbon dioxide (CO2) and carbon monoxide to hydrocarbons, offering a pathway to recycle carbon ...
Schulz, L., Schmidt, F., Rebelein, J. ; https://orcid.org/, Prinz, S., Erb, T. ; https://orcid.org/, Oehlmann, N., Zarzycki, J.   +6 more
core   +2 more sources