Spatial distribution and identification of bacteria in stressed environments capable to weather potassium aluminosilicate mineral

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dc.contributor.authorRajwat, Mahendra Vikram Singh
dc.contributor.authorSingh, Rajni
dc.contributor.authorSingh, Devendra
dc.contributor.authorYadav, Ajar Nath
dc.contributor.authorSingh, Surender
dc.contributor.authorKumar, Murugan
dc.contributor.authorSaxena, Anil Kumar
dc.date.accessioned2023-04-28T10:35:33Z
dc.date.available2023-04-28T10:35:33Z
dc.date.issued2020
dc.description.abstractIn the present study, we studied the distribution of silicate mineral weathering bacteria (SWB) in stressed environments that release potassium from insoluble source of mineral. Out of 972 isolates, 340 isolates were positive and mineral weathering potential ranged from 5.55 to 180.05%. Maximum abundance of SWB occurred 44.71% in saline environment followed by 23.53% in low temperature and 12.35% each in high temperature and moisture deficit. Among isolates, silicate mineral weathering efficiency ranged from 1.9 to 72.8 μg mL−1 available K in liquid medium. The phylogenetic tree of SWB discriminated in three clusters viz. Firmicutes, Proteobacteria and Actinobacteria. This is the first report on SWB in stressed environments and identified 27 genera and 67 species which is not reported earlier. Among them Bacillus was the predominant genera (58.60%) distantly followed by Pseudomonas (6.37%), Staphylococcus (5.10%) and Paenibacillus (4.46%). These bacterial strains could be developed as inoculants for biological replenishment of K in stressed soils.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/1049
dc.language.isoenen_US
dc.publisherBrazilian Journal of Microbiologyen_US
dc.subjectSilicate mineral weathering bacteria (SWB) . Weathering potential . Phylogenetic tree . Stressed environments . Distributionen_US
dc.titleSpatial distribution and identification of bacteria in stressed environments capable to weather potassium aluminosilicate mineralen_US
dc.typeArticleen_US
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