ArticleIranian journal of microbiology2014
Phosphate solubilization characteristics of efficient nitrogen fixing soil Azotobacter strains.
Article in Iranian journal of microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 55 citations in OpenAlex.
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- Effects of Co-InoculatingPlants (Basel, Switzerland) · 2023Article
- Holistic view of biological nitrogen fixation and phosphorus mobilization inFrontiers in microbiology · 2023Article
- Plant Growth-Promoting Activity of Bacteria Isolated from Asian Rice (Oryza sativa L.) Depends on Rice Genotype.Microbiology spectrum · 2022Article
- Plant growth promoting characteristics of halophilic and halotolerant bacteria isolated from coastal regions of Saurashtra Gujarat.Scientific reports · 2022Article
- Bioleaching Studies of Uranium in a Rock Sample from Sinai Using Some Native Streptomyces and Aspergillus Species.Current microbiology · 2021Article
- Sorghum-Phosphate Solubilizers Interactions: Crop Nutrition, Biotic Stress Alleviation, and Yield Optimization.Frontiers in plant science · 2021Review
- Developmental plasticity ofPlant direct · 2021Article
- Nitrogen FixingFrontiers in microbiology · 2021Review
- Diazotrophs for Lowering Nitrogen Pollution Crises: Looking Deep Into the Roots.Frontiers in microbiology · 2021Review
- Evaluation of Multifarious Plant Growth Promoting Trials of Yeast Isolated from the Soil of Assam Tea (Microorganisms · 2020Article
- Specific HProtoplasma · 2020Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
objectivesAzotobacter is a diazotroph bacterium reported to possess various plant growth-promoting characteristics.The aim of this study was to isolate Azotobacter strains capable of fixing nitrogen and effectively hydrolyzing both organic and inorganic Pi compounds. MATERIALS AND
methodsIn this study, soil samples collected from a diverse range of slightly alkaline soil types were screened for Azotobacter isolates. The inorganic and organic phosphate solubilization potentials of twenty competent phosphate solubilizing Azotobacter isolates were assessed.Variations were noted in the solubilization potentials.
resultThree isolates, identified as Azotobacter vinelandii strains O2, O4 and O6, were able to fix atmospheric N2 effectively. The nitrogenase activity of these isolates ranged between 158.6 and 326.4 C2H4h(-1)vial(-1) (ethylene). Bacterial growth rates and phosphate solubilization activities were measured quantitatively under various environmental conditions. A close association was evident between phosphate solubilizing ability and growth rate as an indicator of active metabolism. All three phosphate solubilizing bacteria (PSB) were able to withstand temperature as high as 45°C, high concentration of NaCl (upto 5%) and a wide range of initial pH from 5 to 10 while hydrolyzing phosphate compounds actively.
conclusionAzotobacter vinelandii strains O2, O4 and O6 are superior candidates for biofertilizers that may result in the reduction of chemical nitrogen and phosphate fertilizers leading to increase crop production.
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Identifiers
25802714PMC4367947W2164579188What OpenQuestion holds
Registered trials
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