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Isolation And Characterization Of A Molybdenum-Reducing And Glyphosate-Degrading Kiebsiella Oxytoca Strain Saw-5 In Soils From Sarawak

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dc.contributor.authorSabullah, MKen_US
dc.contributor.authorRahman, MFen_US
dc.contributor.authorAhmad, SAen_US
dc.contributor.authorSulaiman, MRen_US
dc.contributor.authorShukor, MSen_US
dc.contributor.authorShamaan, NAen_US
dc.contributor.authorShukor, MYen_US
dc.date.accessioned2024-05-29T03:25:58Z
dc.date.available2024-05-29T03:25:58Z
dc.date.issued2016
dc.description.abstractBioremediation of pollutants including heavy metals and xenobiotics is an economic and environmentally friendly process. A novel molybdenum-reducing bacterium with the ability to utilize the pesticide glyphosate as a carbon source is reported. The characterization works were carried out utilizing bacterial resting cells in a microplate format. The bacterium reduces molybdate to Mo-blue optimally between pH 6.3 and 6.8 and at 34 degrees C. Glucose was the best electron donor for supporting molybdate reduction followed by lactose, maltose, melibiose, raffinose, d-mannitol, d-xylose, I-rhamnose, I-arabinose, dulcitol, myo-inositol and glycerol in descending order. Other requirements include a phosphate concentration at 5.0 mM and a molybdate concentration between 20 and 30 mM. The molybdenum blue exhibited an absorption spectrum resembling a reduced phosphomolybdate. Molybdenum reduction was inhibited by mercury, silver, cadmium and copper at 2 ppm by 45.5, 26.0, 18.5 and 16.3%, respectively. Biochemical analysis identified the bacterium as Klebsiella oxytoca strain Saw-5. To conclude, the capacity of this bacterium to reduce molybdenum into a less toxic form and to grow on glyphosate is novel and makes the bacterium an important instrument for bioremediation of these pollutants.
dc.identifier.doi10.17503/agrivita.v38i1.654
dc.identifier.epage13
dc.identifier.issn0126-0537
dc.identifier.issue1
dc.identifier.scopusWOS:000376560000001
dc.identifier.spage1
dc.identifier.urihttps://oarep.usim.edu.my/handle/123456789/12053
dc.identifier.volume38
dc.languageEnglish
dc.language.isoen_USen_US
dc.publisherBrawijaya Univ, Fac Agricultureen_US
dc.relation.ispartofAgrivita
dc.sourceWeb Of Science (ISI)
dc.subjectbioreductionen_US
dc.subjectglyphosateen_US
dc.subjectKlebsiella oxytocaen_US
dc.subjectmolybdenum blueen_US
dc.subjectmolybdenum-reducing bacteriumen_US
dc.titleIsolation And Characterization Of A Molybdenum-Reducing And Glyphosate-Degrading Kiebsiella Oxytoca Strain Saw-5 In Soils From Sarawaken_US
dc.title.alternativeAgrivitaen_US
dc.typeArticleen_US
dspace.entity.typePublication

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