Phosphate Solubilization Potentials of Soil Acinetobacter Strains

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dc.contributor.authorÖğüt, Mehmet
dc.contributor.authorEr, Fatih
dc.contributor.authorKandemir, Nejdet
dc.date.accessioned2020-03-26T18:04:48Z
dc.date.available2020-03-26T18:04:48Z
dc.date.issued2010
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractMany phosphate solubilizing microorganisms (PSM) require external pyrroloquinoline quinone (PQQ) for strong phosphorus (P) solubilization in vitro. The objective of this study was to isolate efficient and PQQ-independent PSM. A total of 21 PSM were isolated from the rhizosphere soil of wheat and maize grown in the pots. Acinetobacter strains were the only PQQ-independent and most effective solubilizers of tricalcium phosphate containing agar. The mean P dissolved in liquid cultures of Acinetobacter strains in a 5-day incubation ranged from 167 to 888 mu g/ml P. The pH dropped to below 4.7 from 7.8 in six isolates, which produced gluconic acid in concentrations ranging between 27.5 and 37.5 mM. There was a linear regression between soluble P and gluconic acid concentrations in the bacterial cultures (P < 0.05; R (2) = 0.59). Inoculation with Acinetobacter sp. WR922 significantly (P < 0.05) increased wheat (Triticum aestivum L.) P content by 27% at 15 days after emergence (DAE) and dry matter by 15% at 30 DAE compared to the control. The plant P content in inoculated plants at 30 DAE was linearly correlated with soluble P of the bacterial cultures (P < 0.05; R (2) = 0.69). Gluconic acid production directly affected phosphate solubilization in vitro, which in turn influenced plant P content of inoculated plants in PQQ-independent P-solubilizing Acinetobacter strains.en_US
dc.description.sponsorshipGaziosmanpasaGaziosmanpasa University; Selcuk UniversitiesSelcuk Universityen_US
dc.description.sponsorshipWe gratefully acknowledge the funding of this project by the Gaziosmanpasa and Selcuk Universities.en_US
dc.identifier.citationÖğüt, M., Er, F., Kandemir, N., (2010). Phosphate Solubilization Potentials of Soil Acinetobacter Strains. Biology and Fertility of Soils, (46), 707-715. Doi: 10.1007/s00374-010-0475-7
dc.identifier.doi10.1007/s00374-010-0475-7en_US
dc.identifier.endpage715en_US
dc.identifier.issn0178-2762en_US
dc.identifier.issn1432-0789en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage707en_US
dc.identifier.urihttps://dx.doi.org/10.1007/s00374-010-0475-7
dc.identifier.urihttps://hdl.handle.net/20.500.12395/25153
dc.identifier.volume46en_US
dc.identifier.wosWOS:000280783700006en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorÖğüt, Mehmet
dc.institutionauthorEr, Fatih
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofBiology and Fertility of Soilsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectPhosphate solubilizationen_US
dc.subjectPyrroloquinoline quinone (PQQ)en_US
dc.subjectAcinetobacteren_US
dc.titlePhosphate Solubilization Potentials of Soil Acinetobacter Strainsen_US
dc.typeArticleen_US

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