azotobacter vinelandii
Molecular and bioengineering strategies to improve alginate and polydydroxyalkanoate production by Azotobacter vinelandii
... in Azotobacter vinelandii at a molecular level have been elucidated in articles published during the last ten ...A. vinelandii has produced a number of very interesting mutants which have particular ...
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Aerobic Hydrogen Production in Azotobacter vinelandii: Genetics, Physiology, and Optimization.
... 3, Azotobacter vinelandii CA6 and other strains were evaluated in highly aerated environments to ensure that carbon remained limiting and utilized through the same pathway over a wide range of substrate ...
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Application of Biosurfactant Produced by Azotobacter Vinelandii AV01 for Enhanced Oil Recovery and Biodegradation of Oil Sludge
... Azotobacter vinelandii AV01 was used in producing biosurfactant, while the petrofilic consortia containing Ba cil lu s c e re u s BL01, Pse u do mon as st u ze ri BL02, Ac in eto ba ct er sp ...A. ...
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Kinetics of Cyanide Degradation by Azotobacter vinelandii
... Cyanide is extremely toxic to living organisms. It is utilized in industries for gold and silver extraction, pharmaceuticals, plastic processing, electroplating, and agricultural chemistry. Cyanide can persevere for a ...
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X Ray Crystallographic Studies on Electron Transfer Proteins; Rubredoxin from Pyrococcus furiosus, Nitrogenase MoFe from Azotobacter vinelandii and Ru(2,2' bppy)₂(imd)His83 Azurin from Pseudomonas aeruginosa
... Refinement of the oxidized form 414 protein atoms and 104 solvent oxygens with TNT or XPLOR resulted in a crystallographic residual of approximately 17% and a model with rms deviations o[r] ...
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Metabolic flux analysis and the NAD(P)H/NAD(P)+ ratios in chemostat cultures of Azotobacter vinelandii
... To our knowledge, there have been no studies about the relationship between NADH and NADPH levels and the metabolic behavior of A. vinelandii. However, it is well known that the NADPH is consumed during PHB bio- ...
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Correlation between nitrogen fixation rate and alginate productivity of an indigenous Azotobacter vinelandii from Iran.
... A. vinelandii strains isolation from other Azotobacter species and other free-living nitrogen-fixing soil ...A. vinelandii. More common Azotobacter species apparently cannot utilize ...other ...
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Gene dosage analysis in Azotobacter vinelandii.
... vinelandii without the constraints expected in a polyploid bacterium: (i) reversion of transposon-induced mutations is usually associated with loss of the transposable e[r] ...
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Oxygen transfer rate during the production of alginate by Azotobacter vinelandii under oxygen-limited and non oxygen-limited conditions
... tion rate. It is known that alginate exhibits a high resis- tance to degradation by mechanical agitation and the mean molecular mass remains without changes, when the polymer is agitated up to 700 rpm during 24 h of ...
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Characterization of diazotrophs containing Mo-independent nitrogenases from diverse natural environments
... As mentioned earlier, the nitrogenase 2 structural genes in Azotobacter vinelandii are organized in two separate operons, vnfHorfFd and vnfDGK (11 - 16). It has been shown that these transcriptional units ...
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Biodiagnostics of the Azov Seasolonchaks Condition Atchemical Contamination
... of Azotobacter genus bacteria, assessed soil cellulolytic activity and determined phytotoxic properties of the soil as well as activity of catalase and ...the Azotobacter genus – by lumps fouling method ...
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Biosorption of Metal Ions by Exopolysaccharide Produced by Azotobacter chroococcum XU1
... But, the role of protein, synthesized together with EPS by Azotobacter chroococcum XU1, and other functional groups, such as hydroxyl (-OH) and carboxylic groups (basically C=O) is not clarified yet. It is known ...
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The Azotobacter Test of Soil Fertility Applied to the Classical Fields at Rothamsted
... As with Broadbalk, the best Azotobacter growth on kneaded plates and the highest number of colonies on silica plates were given by the plot receiving complete minerals but no nitrogen, w[r] ...
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Estimating the Level of Phosphate Solubilising Bacteria and Azotobacter in the Vermicompost of Eudrilus Eugeniae and Perionyx Excavatus with Various Combinations of Cow- Dung and Saw-Dust
... bacteria Azotobacter as well as the phosphate solubilising capacity of these bacteria has already been verified by many investigators 27,28 ...of Azotobacter and phosphate solubilising bacterial ...
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Computational Analysis of Distance based Phylogenetic Tree for Azotobacter Species
... Substitution model proofs to be a powerful tool for reconstructing distance based phylogenetic trees . The present study support this argument with proficiency and authenticity. The study shows that UPGMA method is ...
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Evaluation of low cost liquid formulation of pgpr inoculants with protective substances
... shown in Figure 1- 4. It was observed that at 15 ºC temperature the efficient PGPR showed highest survivability upto 45 days of incubation [Azotobacter sp (10.113 log cfu/ml), Azospirillum sp (10.133 log cfu/ml) ...
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The Integration Effect between Mineral and Biofertilization on Wheat Production in Soils High in Iron at the New Valley, Egypt .
... IGH Fe content in the New Valley soils hinders the absorption of both P and Zn by plants, which is negatively reflected on crop production. Field experiments were carried out in two successive seasons at two sites under ...
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Influence of Manure Application and Nitrogen Fixing Bacteria on Yield and Yield Components of Black Cumin (Nigella Sativa L.)
... The results showed that seed number per follicle was affected by the inoculation of seeds by Azotobacter and Azospirillum. But, manure application and interaction of treatments did not caused significant ...
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Relations between activities and counts of soil microorganisms
... micromycetes, Azotobacter, oligotrophic and spore-forming bacteria) and microbial activities (respi- ration, ammonification and nitrification tests) were evaluated using summary statistics, analysis of variance and ...
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Phosphate solubilization characteristics of efficient nitrogen fixing soil Azotobacter strains.
... isolated Azotobacter could be used as biofertilizer in agricultural soils in Iran which are predominately calcareous and are characterized by a high pH and low amounts of plant available phosphorus ...
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