Kraft Lignin Degradation by Autochtonous Streptomyces Straisn Isolated from a Tropical Lagoon Ecosystem

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dc.contributor.authorBuraimoh, O.M
dc.contributor.authorAmund, O.O
dc.contributor.authorIlori, M.O
dc.date.accessioned2015-12-23T12:50:31Z
dc.date.available2015-12-23T12:50:31Z
dc.date.issued2015
dc.description.abstractKraft lignin contributes to the toxicity of the pulping plant effluent and is known to resist microbial treatment.The lignin component must be removed from lignocellulose biomass to enhance the release of fermentable sugars for the production of biofuel and other value-added end products. Lignin-degrading bacteria provide an advantage due to their ease of isolation,wider tolerance of environmental conditions and genetic manipulations compared with their fungal counterparts. There is no documented evidence on the degradation of kraft lignin by bacteria in the tropical estuarine ecological niche in Nigeria. Bacterial growth and assessment of kraft-lignin degradation in submerged fermentation was carried out for a period of 10 days using Streptomyces spp isolated from a tropical lagoon as the inocula. The organisms utilized 23 to 99 % kraft-lignin at the rate of 2.3×10-5 to 9.9×10-5 g.d-1cm-3 with specific growth rates of 0.020 - 0.084 h-1and doubling times of 8.3 - 35.1 h. Maximum values obtained for laccase and peroxidase activities were 9.5x10-2 and 400 μ mol mg -1min -1 respectively. The aim of this study was to obtain evidences for Kraft lignin degradation by indigenous tropical estuarine Streptomyces species from Lagos, Nigeria. The Autochthonous bacterial species of the Lagos lagoon utilize kraft lignin as a sole carbon source and may be good candidates for biotechnological purposes. The outcome of this study has bridged an information gap in the tropical environment and will complement existing global data because the information on the degradation of kraft lignin by marine Streptomyces is not common.en_US
dc.identifier.citationBuraimoh, Ammund and Ilori (2015). Kraft Lignin Degradation by Autochtonous Streptomyces Straisn Isolated from a Tropical Lagoon Ecosystem. J Microbiol Biotech Food Sci. 5 (3) 248-253en_US
dc.identifier.other10.15414/jmbfs.2015/16.5.3.248-253
dc.identifier.urihttps://www.researchgate.net/publication/285413702_KRAFT_LIGNIN_DEGRADATION_BY_AUTOCHTONOUS_STREPTOMYCES_STRAINS_ISOLATED_FROM_A_TROPICAL_LAGOON_ECOSYSTEM
dc.identifier.urihttp://ir.unilag.edu.ng:8080/xmlui/handle/123456789/400
dc.language.isoenen_US
dc.subjectBiofuelen_US
dc.subjectLignocelluloseen_US
dc.subjectStreptomyces sppen_US
dc.subjectAutochthonous bacteriaen_US
dc.titleKraft Lignin Degradation by Autochtonous Streptomyces Straisn Isolated from a Tropical Lagoon Ecosystemen_US
dc.typeArticleen_US
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