"The non-ligninolytic fungus Myrothecium sp. IMER1 was capable of decolorizing five different synthetic dyes. Congo red, Malachite green and Bromophenol Blue were decolorized to some extent with varying percentages of decolorization, whereas, to Indigo Carmine, RBBR were more easily decolorized. Decolorization efficiencies of RBBR and dye effluents with Myrothecium sp. IMER1 were compared to five white-rot fungi. Myrothecium sp. IMER1 exhibited better decolorizing performance than white-rot fungi tested at the pH value tested (7 to 10). Biomass production ofMyrothecium sp. IMER1 was not affected by changes in the pH range of 7-10, which confirmed that Myrothecium sp. IMER1 is alkali-tolerant fungus. Moreover, Myrothecium sp. IMER1 had higher color removal efficiency of dye effluents than these white-rot fungi tested under neutral and alkaline conditions. The alkali-tolerant fungal strain Myrothecium sp. IMER1 exhibited high decolorization activity in the basic pH range, which would be suitable for the treatment of dye effluents with alkaline pH but also for other industrial applications, such as bio-bleaching.
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Last date updated on July, 2014