• J K Sethi

      Articles written in Proceedings – Plant Sciences

    • Cellulase production byPenicillium pinophilum, Aspergillus quadricinctus andGliomastix murorum

      J K Sethi G S Rawla

      More Details Abstract Fulltext PDF

      Penicillium pinophilum, Aspergillus quadricinctus andGliomastix murorum secreted a complete extra-cellular cellulase complex comprising of endo-β-glucanase, exo-β-glucanase and β-glucosidase. The enzyme production was optimum with absorbent cotton and a combination of ammonium sulphate, urea and peptone inPenicillium pinophilum, with carboxymethylcellulose-7 MT and ammonium chloride inAspergillus quadricinctus, and with absorbent cotton and peptone inGliomastix murorum. The biosynthesis of cellulase was repressed by sugars in the presence of cellulose and only negligible amounts of cellulolytic enzymes were produced when sugars formed the sole carbon sources.

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