Nitrogen fixation ≈ Nitrogen fixation
View article
Rhizosphere bacteriome structure and functions Open
Microbial composition and functions in the rhizosphere—an important microbial hotspot—are among the most fascinating yet elusive topics in microbial ecology. We used 557 pairs of published 16S rDNA amplicon sequences from the bulk soils an…
View article
Celebrating 20 Years of Genetic Discoveries in Legume Nodulation and Symbiotic Nitrogen Fixation Open
Since 1999, various forward- and reverse-genetic approaches have uncovered nearly 200 genes required for symbiotic nitrogen fixation (SNF) in legumes. These discoveries advanced our understanding of the evolution of SNF in plants and its r…
View article
Bacterial Endophyte Colonization and Distribution within Plants Open
The plant endosphere contains a diverse group of microbial communities. There is general consensus that these microbial communities make significant contributions to plant health. Both recently adopted genomic approaches and classical micr…
View article
Ammonia Detection Methods in Photocatalytic and Electrocatalytic Experiments: How to Improve the Reliability of NH<sub>3</sub> Production Rates? Open
The enzyme nitrogenase inspires the development of novel photocatalytic and electrocatalytic systems that can drive nitrogen reduction with water under similar low‐temperature and low‐pressure conditions. While photocatalytic and electroca…
View article
Symbiotic Nitrogen Fixation and the Challenges to Its Extension to Nonlegumes Open
Access to fixed or available forms of nitrogen limits the productivity of crop plants and thus food production. Nitrogenous fertilizer production currently represents a significant expense for the efficient growth of various crops in the d…
View article
A plant perspective on nitrogen cycling in the rhizosphere Open
Nitrogen is the major nutrient limiting plant growth in terrestrial ecosystems, and the transformation of inert nitrogen to forms that can be assimilated by plants is mediated by soil micro‐organisms. The last decade has witnessed many sig…
View article
Effectiveness of nitrogen fixation in rhizobia Open
Summary Biological nitrogen fixation in rhizobia occurs primarily in root or stem nodules and is induced by the bacteria present in legume plants. This symbiotic process has fascinated researchers for over a century, and the positive effec…
View article
Microbial inoculation of seed for improved crop performance: issues and opportunities Open
There is increasing interest in the use of beneficial microorganisms as alternatives to chemical pesticides and synthetic fertilisers in agricultural production. Application of beneficial microorganisms to seeds is an efficient mechanism f…
View article
Favoring the unfavored: Selective electrochemical nitrogen fixation using a reticular chemistry approach Open
Originally unfavored nitrogen-to-ammonia electroconversion is now preferred over competing reaction using reticular chemistry.
View article
Plant Growth-Promoting Rhizobacteria Inoculation to Enhance Vegetative Growth, Nitrogen Fixation and Nitrogen Remobilisation of Maize under Greenhouse Conditions Open
Plant growth-promoting rhizobacteria (PGPR) may provide a biological alternative to fix atmospheric N2 and delay N remobilisation in maize plant to increase crop yield, based on an understanding that plant-N remobilisation is directly corr…
View article
The nitrogen cost of photosynthesis Open
Global food security depends on three main cereal crops (wheat, rice and maize) achieving and maintaining high yields, as well as increasing their future yields. Fundamental to the production of this biomass is photosynthesis. The process …
View article
Catalytic N<sub>2</sub>-to-NH<sub>3</sub>(or -N<sub>2</sub>H<sub>4</sub>) Conversion by Well-Defined Molecular Coordination Complexes Open
Nitrogen fixation, the six-electron/six-proton reduction of N2, to give NH3, is one of the most challenging and important chemical transformations. Notwithstanding the barriers associated with this reaction, significant progress has been m…
View article
Nitrogen Fixing Azotobacter Species as Potential Soil Biological Enhancers for Crop Nutrition and Yield Stability Open
Biological nitrogen fixation (BNF) refers to a microbial mediated process based upon an enzymatic “Nitrogenase” conversion of atmospheric nitrogen (N 2 ) into ammonium readily absorbable by roots. N 2 -fixing microorganisms collectively te…
View article
Exploiting Biological Nitrogen Fixation: A Route Towards a Sustainable Agriculture Open
For all living organisms, nitrogen is an essential element, while being the most limiting in ecosystems and for crop production. Despite the significant contribution of synthetic fertilizers, nitrogen requirements for food production incre…
View article
Reduction of Substrates by Nitrogenases Open
Nitrogenase is the enzyme that catalyzes biological N2 reduction to NH3. This enzyme achieves an impressive rate enhancement over the uncatalyzed reaction. Given the high demand for N2 fixation to support food and chemical production and t…
View article
Copper Single Atoms Anchored in Porous Nitrogen-Doped Carbon as Efficient pH-Universal Catalysts for the Nitrogen Reduction Reaction Open
Artificial nitrogen fixation through the nitrogen reduction reaction (NRR) under ambient conditions is a potentially promising alternative to the traditional energy-intensive Haber–Bosch process. For this purpose, efficient catalysts are u…
View article
Current Progress in Nitrogen Fixing Plants and Microbiome Research Open
In agroecosystems, nitrogen is one of the major nutrients limiting plant growth. To meet the increased nitrogen demand in agriculture, synthetic fertilizers have been used extensively in the latter part of the twentieth century, which have…
View article
Nitrogen fixation in a landrace of maize is supported by a mucilage-associated diazotrophic microbiota Open
Plants are associated with a complex microbiota that contributes to nutrient acquisition, plant growth, and plant defense. Nitrogen-fixing microbial associations are efficient and well characterized in legumes but are limited in cereals, i…
View article
Improving Crop Yield and Nutrient Use Efficiency via Biofertilization—A Global Meta-analysis Open
The application of microbial inoculants (biofertilizers) is a promising technology for future sustainable farming systems in view of rapidly decreasing phosphorus stocks and the need to more efficiently use available nitrogen (N). Various …
View article
Biogeography of nodulated legumes and their nitrogen‐fixing symbionts Open
Contents Summary 40 I. Introduction 40 II. Recent changes in the taxonomy of legume genera 41 III. Latitudinal variations in the distribution of nodulated legumes 44 IV. Longitudinal variations in the distribution of nodulated legumes 48 V…
View article
Specificity in Legume-Rhizobia Symbioses Open
Most species in the Leguminosae (legume family) can fix atmospheric nitrogen (N2) via symbiotic bacteria (rhizobia) in root nodules. Here, the literature on legume-rhizobia symbioses in field soils was reviewed and genotypically characteri…
View article
Co-inoculation Effect of Rhizobia and Plant Growth Promoting Rhizobacteria on Common Bean Growth in a Low Phosphorus Soil Open
Nitrogen (N) fixation through legume-Rhizobium symbiosis is important for enhancing agricultural productivity and is therefore of great economic interest. Growing evidence indicates that other soil beneficial bacteria can positively affect…
View article
Ecology of Nitrogen Fixing, Nitrifying, and Denitrifying Microorganisms in Tropical Forest Soils Open
Soil microorganisms play important roles in nitrogen cycling within forest ecosystems. Current research has revealed that a wider variety of microorganisms, with unexpected diversity in their functions and phylogenies, are involved in the …
View article
Genetic and Molecular Mechanisms Underlying Symbiotic Specificity in Legume-Rhizobium Interactions Open
Legumes are able to form a symbiotic relationship with nitrogen-fixing soil bacteria called rhizobia. The result of this symbiosis is to form nodules on the plant root, within which the bacteria can convert atmospheric nitrogen into ammoni…
View article
Global imprint of mycorrhizal fungi on whole-plant nutrient economics Open
Mycorrhizal fungi are critical members of the plant microbiome, forming a symbiosis with the roots of most plants on Earth. Most plant species partner with either arbuscular or ectomycorrhizal fungi, and these symbioses are thought to repr…
View article
The Nodule Microbiome: N<sub>2</sub>-Fixing Rhizobia Do Not Live Alone Open
For decades, rhizobia were thought to be the only nitrogen-fixing inhabitants of legume nodules, and biases in culture techniques prolonged this belief. However, other bacteria, which are not typical rhizobia, are often detected within nod…
View article
Halotolerant Rhizobacteria Promote Growth and Enhance Salinity Tolerance in Peanut Open
Use of Plant growth promoting rhizobacteria (PGPR) is a promising strategy to improve the crop production under optimal or sub-optimal conditions. In the present study, five diazotrophic salt tolerant bacteria were isolated from the roots …
View article
Rhizosphere control of soil nitrogen cycling: a key component of plant economic strategies Open
Summary Understanding how plant species influence soil nutrient cycling is a major theme in terrestrial ecosystem ecology. However, the prevailing paradigm has mostly focused on litter decomposition, while rhizosphere effects on soil organ…
View article
A Synthetic Single-Site Fe Nitrogenase: High Turnover, Freeze-Quench <sup>57</sup>Fe Mössbauer Data, and a Hydride Resting State Open
The mechanisms of the few known molecular nitrogen-fixing systems, including nitrogenase enzymes, are of much interest but are not fully understood. We recently reported that Fe-N2 complexes of tetradentate P3(E) ligands (E = B, C) generat…
View article
Variation in rhizosphere microbial communities and its association with the symbiotic efficiency of rhizobia in soybean Open
Rhizobia–legume symbiosis is an important type of plant–microbe mutualism; however, the establishment of this association is complicated and can be affected by many factors. The soybean rhizosphere has a specific microbial community, yet w…