Identification of bacterial strains from tannery effluent and reduction of hexavalent chromium.

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dc.contributor.authorFarag, Soha
dc.contributor.authorZaki, Sahar
dc.date.accessioned2013-05-03T07:32:39Z
dc.date.available2013-05-03T07:32:39Z
dc.date.issued2010-09
dc.description.abstractFour chromium-resistant bacteria were isolated from tannery effluent collected from Burgelarab, Alexandria, Egypt. These isolates displayed different degrees of chromate reduction under aerobic conditions. Based on 16S rDNA gene sequence analysis, two of them (S3 and S4) were identified as Acinetobacter, and Pseudomonas, respectively. The minimum inhibitory concentration for Acinetobacter sp. strain S3 was 160 mg l-1, while it was 200 mg l-1 for Pseudomonas sp. strain S4. However, strain S4 was able to reduce a wide range of Cr (VI) concentrations from 20 to 200 mg l-1; while, it was reducing 64.4% of Cr (VI) at 160 mg l-1 within 72 hr. Immobilization experiments demonstrated that strain S4 in calcium alginate gel matrix was more effective than the using of free cells in chromium reduction.en_US
dc.identifier.citationFarag Soha, Zaki Sahar. Identification of bacterial strains from tannery effluent and reduction of hexavalent chromium. Journal of Environmental Biology. 2010 Sept; 31(5): 877-882.en_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/146510
dc.language.isoenen_US
dc.source.urihttps://www.jeb.co.in/journal_issues/201009_sep10_supp/paper_23.pdfen_US
dc.subjectChromate-resistant bacteriaen_US
dc.subjectCr (VI) reductionen_US
dc.subjectMinimal inhibitory concentrationen_US
dc.subjectImmobilizationen_US
dc.titleIdentification of bacterial strains from tannery effluent and reduction of hexavalent chromium.en_US
dc.typeArticleen_US
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