The protons of gluconic acid are the major factor responsible for the dissolution of tricalcium phosphate by Burkholderia cepacia CC-Al74

Lin, Ta-Fa; Huang, Hsin-I; Shen, Fo-Ting; Young, Chiu-Chung

doi:10.1016/j.biortech.2005.02.017

Cited by 129 publications

(74 citation statements)

References 20 publications

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“…Similar to phosphate solubilization, no significant difference was observed in organic acid production between single inoculation of fungal strain and the co-inoculation of fungal and bacterial strains. In agreement with this work, gluconic acid was the major organic acid produced by Burkholderia cepacia DA23 (Song et al, 2008), Burkholderia cepacia CC-A174 (Lin et al, 2006), Aspergillus flavus and Aspergillus niger (Maliha et al, 2004). Production of organic acids other than gluconic acids such as oxalic acid, citric acid and succinic acid have been reported to be produced by Aspergillus flavus, Aspergillus niger (Maliha et al, 2004).…”

Section: Resultssupporting

confidence: 81%

Synergistic Phosphate Solubilization by Burkholderia anthina and Aspergillus awamori

Walpola¹,

Jang²,

Yoon³

2013

Korean Journal of Soil Science and Fertilizer

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Single or co-inoculation of phosphate solubilizing bacterial and fungal strains (Burkholderia anthina and Aspergillus awamori respectively) was performed separately to assess their synergistic and antagonistic interactions and the potential to be used as bio-inoculants. Co-inoculation was found to release the highest content of soluble phosphorus (1253 µg ml -1 ) into the medium, followed by single inoculation of fungal strain (1214 µg ml -1 ) and bacterial strain (997 µg ml -1 ). However, there was no significant difference between single inoculation of fungal strain and co-inoculation of fungal and bacterial strain in terms of the phosphorous release. The highest pH reduction, organic acid production and glucose consumption were observed in the sole A. awamori inoculated culture medium. According to the plant growth promotion bioassays, co-inoculation of the microbial strains resulted in 21% and 43% higher shoot and root growth of the mung bean seedlings respectively as compared to the respective controls. Therefore, co-inoculation of B. anthina and A. awamori showed better performance in stimulating plant growth than that in inoculation of each strain alone. However, assessment period of the present study being short, we recommend in engaging further experimentation under field conditions in order to test the suitability of the strains to be used as bio-inoculants.

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Section: Resultssupporting

confidence: 81%

Synergistic Phosphate Solubilization by Burkholderia anthina and Aspergillus awamori

Walpola¹,

Jang²,

Yoon³

2013

Korean Journal of Soil Science and Fertilizer

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“…Among Burkholderia species PSB-2 produced the highest amount of gluconic acid (7.98 mM) and oxalic acid (0.117 mM) than other two species. In agreement with this work, gluconic acid was the major organic acid produced by Burkholderia cepacia DA23 (Song et al, 2008) Burkholderia cepacia CC-A174 (Lin et al, 2006) and it was detected maximum 9.4 mM and 16.3 mM respectively in the culture medium. Results revealed that organic acid production in the culture medium increased with the incubation period, reaching a maximum at 2-3 days.…”

Section: Assay Of Inorganic Phosphate Solubilizing Abilitiessupporting

confidence: 90%

“…Previous studies have demonstrated that the ability of some Burkholderia species to efficiently solubilize inorganic phosphates, which subsequently results in increased availability of phosphorus for plants (Lin et al, 2006;Song et al, 2008). In present study three Burkholderia species having potential to solubilize insoluble phosphates were isolated from green house soils in South Korea and their characteristics of phosphate solubilization were investigated.…”

Section: Introductionmentioning

confidence: 94%

Evaluation of Phosphate Solubilizing Potential of Three Burkholderia Species Isolated from Green House Soils

Walpola¹,

Song²,

Keum³

et al. 2012

Korean Journal of Soil Science and Fertilizer

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Burkholderia anthina R-4183, Burkholderia diffusa R-15930 and Burkholderia stabilis LMG 14294 isolated from green house soils (Gongju-Gun area, South Korea) were characterized and their phosphate solubilizing ability was assessed. Under in vitro culture conditions, all three species were proved to be effective in solubilizing phosphates in varying degrees. Strain Burkholderia anthina exhibited the highest phosphate solubilization in NBRIP medium (665 µg ml -1 ) followed by Burkholderia diffusa (630 µg ml -1) and Burkholderia stabilis (578 µg ml -1 ). However, solubilization of FePO 4 and AlPO 4 was found to be poor in all the strains. Acidification by means of gluconic and oxalic acids accumulation in the culture medium could be the possible mechanism responsible for phosphate solubilization. Glucose at the rate of 3% was found be the best carbon source for Burkholderia anthina while other two Burkholderia species showed maximum phosphate solubilization at 2% of glucose. In the case of nitrogen sources, ammonium and nitrate were equally effective in solubilizing phosphates by Burkholderia species. Despite a slight decrease in phosphate solubilization observed at increasing temperature, all three Burkholderia species could withstand a temperature of 30-35℃, pH at the range of 7-9 and the presence of NaCl (up to 2.5%) without much compromising the phosphate solubilization. As shown with potted mung bean seedlings, all the three isolates could enhance soil fertility and plant growth indicating their great potential to be used as bio-inoculants.

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“…The ability of solubilizing calcium phosphate of the strains tested may be due to the acid metabolism of gluconic acid, observed by Lin et al, (2006) in Burkholderia cepacia. In gram-negative bacteria, gluconic acid is produced by direct glucose oxidation in the periplasmatic space (Goldstein, 1996).…”

Section: Selection and Characterization Of Diazotrophic Phosphate-solmentioning

confidence: 83%

Performance of pineapple slips inoculated with diazotrophic phosphate-solubilizing bacteria and rock phosphate

Baldotto

Olivares

et al. 2014

Rev. Ceres

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RESUMO Desempenho do abacaxizeiro inoculado com bactérias diazotróficas solubilizadoras de fosfatos em conjunto com fosfato de rochaAlgumas bactérias diazotróficas, além de fixarem N 2 , também sintetizam ácidos orgânicos, sendo capazes de solubilizar fosfatos de rochas, incrementando os teores de P para as plantas. A aplicação dessas bactérias, em conjunto com fosfatos naturais, na axila foliar dos abacaxizeiros, poderia incrementar a disponibilidade de N e de P para a cultura, em decorrência dos processos de fixação biológica de nitrogênio e de solubilização de fosfatos. Os objetivos deste trabalho foram: (i) selecionar e caracterizar bactérias diazotróficas com potencial de solubilização de fosfatos, em ensaios in vitro e (ii) avaliar o desempenho inicial dos abacaxizeiros 'Imperial' e 'Pérola', em resposta à inoculação das bactérias selecionadas, combinadas com fosfato de rocha. Os experimentos foram realizados na Universidade Estadual do Norte Fluminense Darcy Ribeiro, em 2009. Os tratamentos, contendo bactérias, apresentaram maiores teores foliares de N, P e K, comparados com os dos controles, acompanhados por maior crescimento vegetativo. Esses resultados indicam que a aplicação combinada de bactérias diazotróficas solubilizadoras de fosfatos, do gênero Burkholderia, e fosfato de Araxá pode ser empregada em mudas de abacaxizeiro, visando a melhorar seu desempenho inicial.Palavras-chave: Ananas comosus, Burkholderia, bactéria promotora de crescimento de plantas, inoculante, biofertilizante. Besides fixing N 2 , some diazotrophic bacteria or diazotrophs, also synthesize organic acids and are able to solubilize rock phosphates, increasing the availability of P for plants. The application of these bacteria to pineapple leaf axils in combination with rock phosphate could increase N and P availability for the crop, due to the bacterial activity of biological nitrogen fixation and phosphate solubilization. The objectives of this study were: (i) to select and characterize diazotrophs able to solubilize phosphates in vitro and (ii) evaluate the initial performance of the pineapple cultivars Imperial and Pérola in response to inoculation with selected bacteria in combination with rock phosphate. The experiments were conducted at Universidade Estadual do Norte Fluminense Darcy Ribeiro, in 2009. In the treatments with bacteria the leaf contents of N, P and K were higher than those of the controls, followed by an increase in plant growth. These results indicate that the combined application of diazotrophic phosphate-solubilizing bacteria Burkholderia together with Araxá rock phosphate can be used to improve the initial performance of pineapple slips.

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The protons of gluconic acid are the major factor responsible for the dissolution of tricalcium phosphate by Burkholderia cepacia CC-Al74

Cited by 129 publications

References 20 publications

Synergistic Phosphate Solubilization by Burkholderia anthina and Aspergillus awamori

Synergistic Phosphate Solubilization by Burkholderia anthina and Aspergillus awamori

Evaluation of Phosphate Solubilizing Potential of Three Burkholderia Species Isolated from Green House Soils

Performance of pineapple slips inoculated with diazotrophic phosphate-solubilizing bacteria and rock phosphate

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