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Quantitative Estimation of Nitrogenase Activity: Acetylene Reduction Assay
Symbiotic nitrogen fixation plays an important role in agriculture, and there has been a goal to improve symbiotic efficiency to reduce the use of...
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Rice Rusk-Derived Biochar Suppressed N2O Emission from Acidic Arable Soil by Inhibiting Nitrate Reduction
AbstractThe study aims to explore the potential mechanisms of rice husk-derived biochar’s effect on acidic arable soil N 2 O emission during...
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Reduction of Sulfur and Nitrogen Compounds
This chapter reviews the enzymes associated with the reduction of sulfur and nitrogen compounds that support the growth of dissimilatory...
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Nitrogen fixation and nifH gene diversity in cyanobacteria living on feather mosses in a subalpine forest of Mt. Fuji
In the boreal forests, feather mosses such as Hylocomium splendens and Pleurozium schreberi are colonized by cyanobacteria, which provide large...
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Optimization of the 15N2 incorporation and acetylene reduction methods for free-living nitrogen fixation
AimsTo optimize assay conditions of two common methods for measuring potential free-living nitrogen-fixation (FLNF), acetylene reduction assay (ARA)...
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Differentially abundant bacteria drive the N2-fixation of a widespread moss in the forest-tundra transition zone
Bryophytes maintain symbiosis with bacteria influencing the local nutrient budget. Moss bacterial communities are composed of a core microbiome and...
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The Feather Moss Hylocomium splendens Affects the Transcriptional Profile of a Symbiotic Cyanobacterium in Relation to Acquisition and Turnover of Key Nutrients
Moss-cyanobacteria symbioses were proposed to be based on nutrient exchange, with hosts providing C and S while bacteria provide N, but we still lack...
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Cross-Nodulation and Symbiosis Efficiency of Rhizobia Isolated from Nodules of Cyamopsis tetragonoloba on Vigna unguiculata and Glycine max
AbstractGuar ( Cyamopsis tetragonoloba (L.) Taub.) is an important legume plant used as food and industrial crop. Guar forms nitrogen-fixing...
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Klebsiella michiganensis: a nitrogen-fixing endohyphal bacterium from Ustilago maydis
Ustilago maydis is a pathogenic fungus in Basidiomycota causing corn smut disease. A strain of U. maydis YZZF202006 was isolated from the tumor of...
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Methane-dependent selenate reduction by a bacterial consortium
Methanotrophic microorganisms play a critical role in controlling the flux of methane from natural sediments into the atmosphere. Methanotrophs have...
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Enhancing the Establishment of a Diazotrophic Community in Sugarcane Stem Cutting through Heat–Biocide Treatment
The inoculation of diazotrophs in sugarcane presents a challenge due to the plant’s vegetative propagation, which hampers the accurate assessment of...
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Hysteretic response of N2O reductase activity to soil pH variations after application of lime to an acidic agricultural soil
N 2 O contributes to increasing the greenhouse effect and is also involved in stratospheric ozone depletion. In soil and water, N 2 O reductase catalyses...
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Occurrence, identification and characterization of diazotrophic bacteria from aerial roots of Rhynchostylis retusa (L.) Blume for plant growth-promoting activity
In this study, the diversity of diazotrophic bacteria of orchid Rhynchostylis retusa (L.) Blume and its potential application in plant growth...
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Nitrogen-fixation in Acer macrophyllum canopy bryophytes in the Pacific Northwest, USA
PurposeOld-growth forests in the Pacific Northwest host a variety of epiphytes on their branches and stem. Given the common and often large epiphytic...
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Methods for Nitrogen Fixation Measurement
This chapter introduces the acetylene reduction assay (ARA) and 15N2 technique, two commonly used methods for the measurement of N2-fixation rates of...
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Nitrogen fixation capacity and metabolite responses to phosphorus in soybean nodules
Phosphorus (P) is necessary for nitrogen fixation in the root nodules of soybeans, a symbiotic process whereby plants support bacterial nitrogen...
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Inhibitory effect of high nitrate on N2O reduction is offset by long moist spells in heavily N loaded arable soils
Numerous interrelated factors (e.g., the labile C, soil NO 3 − concentration, and soil moisture content) are involved in controlling the microbial...
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Exploring potential soybean bradyrhizobia from high trehalose-accumulating soybean genotypes for improved symbiotic effectiveness in soybean
Drought is the most important factor limiting the activity of rhizobia during N-fixation and plant growth. In the present study, we isolated Bradyrhizobium...
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Evidence of endophytic nitrogen fixation as a potential mechanism supporting colonization of non-nodulating pioneer plants on a glacial foreland
The ability of non-nodulating pioneer plants on newly exposed glacial till to obtain atmospheric N 2 was investigated using both acetylene reduction...
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Fundidesulfovibrio agrisoli sp. nov., A Nitrogen-Fixing Bacterium Isolated from Rice Field
A strictly anaerobic nitrogen-fixing strain, designated SG106 T , was isolated from rice field. The 16S rRNA gene sequence analysis showed that strain...
