Pseudomonas aeruginosa and Bacillus cereus Isolated from Brazilian Cerrado Soil Act as Phosphate-Solubilizing Bacteria

The phosphate-solubilizing microorganism is essential for soil quality and plant development and can serve as an alternative to reduce such Brazilian needs for importing phosphate overseas. Here, we isolated and selected bacteria from Brazilian Cerrado soils capable of solubilize phosphate. We obtai...

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Veröffentlicht in:Current microbiology 2023-05, Vol.80 (5), p.146-146, Article 146
Hauptverfasser: Soares, Aline Souza, Nascimento, Vitor L., de Oliveira, Eugenio Eduardo, Jumbo, Luis Viteri, dos Santos, Gil Rodrigues, Queiroz, Luciano Lopes, da Silva, Rubens Ribeiro, Filho, Renisson Neponuceno Araújo, Romero, Melissa A., de Souza Aguiar, Raimundo Wagner
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container_end_page 146
container_issue 5
container_start_page 146
container_title Current microbiology
container_volume 80
creator Soares, Aline Souza
Nascimento, Vitor L.
de Oliveira, Eugenio Eduardo
Jumbo, Luis Viteri
dos Santos, Gil Rodrigues
Queiroz, Luciano Lopes
da Silva, Rubens Ribeiro
Filho, Renisson Neponuceno Araújo
Romero, Melissa A.
de Souza Aguiar, Raimundo Wagner
description The phosphate-solubilizing microorganism is essential for soil quality and plant development and can serve as an alternative to reduce such Brazilian needs for importing phosphate overseas. Here, we isolated and selected bacteria from Brazilian Cerrado soils capable of solubilize phosphate. We obtained 53 bacteria isolates, of which 23 could solubilize phosphate at a pH of 7.0, 17 could solubilize phosphate at a pH of 6.0, and 8 could solubilize at a pH of 5.5. Using 16S rRNA gene sequences, we identified nine bacteria species clustered in four groups: Bacillus sp., Pseudomonas sp., Priestia sp., and Klebsiella sp. Our results revealed that the UFT01 ( P. aeruginosa ) and UFT42 ( B. cereus ) isolates exhibited the best phosphate solubilization performance at all tested pH values. We further recorded higher levels of solubilization and phosphate availability six days after the soil inoculation with P. aeruginosa , and enzymatic analysis of the soil samples revealed that the P. aeruginosa -inoculated samples resulted in four-fold higher enzymatic activities when compared to non-inoculated soils. The B. cereus soil inoculation increased β-glucosidase activities and resulted in reduced the activities of arylsulfatase. Altogether, our findings demonstrated that P. aeruginosa and B. cereus isolated from Cerrado soils showed high phosphate solubilization potential.
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subjects Arylsulfatase
Bacillus cereus
Bacillus cereus - genetics
Bacteria
Biomedical and Life Sciences
Biotechnology
Brazil
cerrado
cerrado soils
Enzymatic activity
Gene sequencing
genes
Glucosidase
Inoculation
Klebsiella
Life Sciences
Microbiology
pH effects
Phosphate
Phosphates
plant development
Pseudomonas aeruginosa
Pseudomonas aeruginosa - genetics
RNA, Ribosomal, 16S - genetics
rRNA 16S
Short Communication
Soil - chemistry
Soil bacteria
soil inoculation
Soil Microbiology
Soil microorganisms
Soil quality
Soils
Solubilization
species
β-Glucosidase
title Pseudomonas aeruginosa and Bacillus cereus Isolated from Brazilian Cerrado Soil Act as Phosphate-Solubilizing Bacteria
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