Webb9 juli 2024 · In in vivo activity assays, the R. rubrum molybdenum nitrogenase could not perform methylthio-alkane reduction, and methylthio-alkane reductase did not exhibit nitrogenase activity ( Fig. 3D; glutamate as nitrogen source and 50 μM sulfate). WebbMethods currently used for determining nitrogenase activity have various drawbacks, principally concerning limitations on sample size and technical difficulties with …
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Webb10 apr. 2024 · Drought is the most important factor limiting the activity of rhizobia during N-fixation and plant growth. In the present study, we isolated Bradyrhizobium spp. from root nodules of higher trehalose-accumulating soybean genotypes and examined for moisture stress tolerance on a gradient of polyethylene glycol (PEG 6000) amended in … Webb19 apr. 1975 · Acetylene reduction, an assay for nitrogenase activity (nitrogen:(acceptor) oxidoreductase, EC 1.7.99.2), Is dependent on the ratio of the two protein components of nitrogenase as well as on C2H2 concentration. As the component I : component II ratio (based on activity) is increased, the C2H2 reduct …. Nitrogenase. VI. bring a trailer reno
Nitrogenase activity in cyanobacteria measured by the acetylene ...
Webb21 aug. 2013 · Nitrogenase activity expressed as a percentage of the control activity, with no compounds added to the standard growth medium lacking nitrate (BG11 0 ), after a 20-h treatment with BMAA, DAB, or the standard proteinogenic amino acids at 20 µM. Webb30 juli 2024 · Nitrogenase activity improved when nifV was switched from nifUǒSǒV to nifJǒV in the five-gene system ( Fig. 3 A, compare rows V and VI) as anticipated from the analysis of single polyproteins ( Fig. 2 B ). Nevertheless, the decreased activity observed in the absence of nifW and nifZ prompted us to reconsider their involvement. Webb9 mars 2024 · To understand the mechanism by which NafU protein maintains nitrogenase activity under aerobic conditions, we employed an analysis based on the functionally known proteins that are predicted to... bring a trailer projects