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Radhika R.,Microbial and Environmental Biotechnology Research Center | Jebapriya G.R.,Microbial and Environmental Biotechnology Research Center | Gnanadoss J.J.,Microbial and Environmental Biotechnology Research Center
Pakistan Journal of Biological Sciences | Year: 2014

The ability of three Pleurotus species (P. florida LCJ 65, P. ostreatusLCJ 183 and P. sajorcaju LCJ 184) was compared for the decolourization of bromophenol blue, brilliant green and methylred using by solid and liquid medium. All three Pleurotus species were effective in decolourizing the dyes on potato dextrose agar plate. During quantitative decolourization experiments, the absorption spectrum of the dye solution showed a steady decrease in decolourization with the increase in the days of incubation. The decolourization efficiency varied for species to species and it was found that/3, sajorcaju LCJ 184 effectively decolourized the selected dyes by 85-98%. In present study, different factors (dye concentration, inoculums size, pH, static and shaking culture conditions) influencing the ability of Pleurotus species to decolourize three different dyes is documented and the result proposes P. florida LCJ 65 and P. sajorcaju LCJ 184 as potential strains for decolourization of bromophenol blue, brilliant green and methylred dye. © 2014 Asian Network for Scientific Information. Source


Saranya A.,Microbial and Environmental Biotechnology Research Center | Jebapriya G.R.,Microbial and Environmental Biotechnology Research Center | Gnanadoss J.J.,Microbial and Environmental Biotechnology Research Center
Journal of Pure and Applied Microbiology | Year: 2014

Studies on decolourization of textile dyes using brown rot fungi are very scarce. In the present investigation, nine such brown rot fungi were isolated and screened for their ability to decolourize brilliant green, bromophenol blue and methyl red. Three promising isolates, A. flavus LCJ 51, A. nidulans LCJ 52 and A. niger LCJ 55 were selected on the basis of this qualitative screening and used for decolourization study in liquid medium by monitoring the decrease in absorbance of each dye. All three Aspergillus sp. (A. flavus LCJ 51, A. nidulans LCJ 52 and A. niger LCJ 55) effectively decolourized brilliant green, bromophenol blue and methyl red, but they differed in decolourization ability depending on various culture conditions which have been reported. Our result proposes that Aspergillus sp. could effectively be used as an alternative to the conventional physicochemical method of dye decolourization. Source

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