NDLI: Malachite green bioremoval by a newly isolated strain Citrobacter sedlakii RI11; enhancement of the treatment by biosurfactant addition.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Mnif, Inès Fendri, Raouia Ghribi, Dhouha
Description	Author Affiliation: Mnif I ( Unité 'Enzymes et Bioconversion', National School of Engineers of Sfax, Université de Sfax, BP W 3038 Sfax, Tunisia and Higher Institute of Biotechnology of Sfax, Université de Sfax, Tunisia E-mail: inesmnif2011@gmail.com.); Fendri R ( Unité 'Enzymes et Bioconversion', National School of Engineers of Sfax, Université de Sfax, BP W 3038 Sfax, Tunisia and Higher Institute of Biotechnology of Sfax, Université de Sfax, Tunisia E-mail: inesmnif2011@gmail.com.); Ghribi D ( Unité 'Enzymes et Bioconversion', National School of Engineers of Sfax, Université de Sfax, BP W 3038 Sfax, Tunisia and Higher Institute of Biotechnology of Sfax, Université de Sfax, Tunisia E-mail: inesmnif2011@gmail.com.)
Abstract	Citrobacter sedlackii RI11, isolated from acclimated textile effluent after selective enrichment on synthetic dyes, was assessed for malachite green (MG) biotreatment potency. Results indicate that this bacterium has potential for use in effective treatment of MG contaminated wastewaters under shaking conditions at neutral and alkaline pH value, characteristic of typical textile effluents. Also, the newly isolated strain can tolerate higher doses of dye and decolorize up to 1,000 mg/l of dye. When used as microbial surfactant to enhance MG biodecolorization, Bacillus subtilis SPB1-derived lipopeptide accelerated the decolorization rate and maximized the decolorization efficiency at an optimal concentration of biosurfactant of about 0.075%. Studies ensured that MG removal by this strain could be due to biodegradation and/or adsorption. Results on germination potencies of different seeds using the treated dyes under different conditions favor the use of SPB1 biosurfactant for the treatment of MG.
File Format	HTM / HTML
ISSN	02731223
Issue Number	8
Volume Number	72
e-ISSN	19969732
Journal	Water Science & Technology
Language	English
Publisher	IWA Publishing
Publisher Date	2015-01-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Hydrology Citrobacter Metabolism Lipopeptides Chemistry Rosaniline Dyes Surface-active Agents Waste Disposal, Fluid Methods Adsorption Bacillus Subtilis Biodegradation, Environmental Isolation & Purification Coloring Agents Germination Drug Effects Raphanus Toxicity Sorghum Textiles Evaluation Studies Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Water Science and Technology

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