A Novel Thermoacidophilic Cellulase from Alicyclobacillus acidocaldarius

A.      Morana; A.      Esposito; L.      Maurelli; G.      Ruggiero; E.      Ionata; M.      Rossi; F.   La   Cara

Abstract

A novel cellulase was isolated from the thermoacidophilic bacterium Alicyclobacillus acidocaldarius ATCC27009 grown in medium containing carboxymethylcellulose. The enzyme is a glycosylated monomer of 56.2 kDa, relatively thermostable, with optimal pH and temperature of 4.0 and 65 °C, respectively. Enzymatic assays on several polysaccharides demonstrated that CelG was specific for carboxymethylcellulose.

Keywords: Alicyclobacillus acidocaldarius, carboxymethylcellulose, cellulase, glycoprotein, cellooligosaccharides

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Protein & Peptide Letters

Title: A Novel Thermoacidophilic Cellulase from Alicyclobacillus acidocaldarius

Volume: 15 Issue: 9

Author(s): A. Morana, A. Esposito, L. Maurelli, G. Ruggiero, E. Ionata, M. Rossi and F. La Cara

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Keywords: Alicyclobacillus acidocaldarius, carboxymethylcellulose, cellulase, glycoprotein, cellooligosaccharides

Abstract: A novel cellulase was isolated from the thermoacidophilic bacterium Alicyclobacillus acidocaldarius ATCC27009 grown in medium containing carboxymethylcellulose. The enzyme is a glycosylated monomer of 56.2 kDa, relatively thermostable, with optimal pH and temperature of 4.0 and 65 °C, respectively. Enzymatic assays on several polysaccharides demonstrated that CelG was specific for carboxymethylcellulose.

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Morana A., Esposito A., Maurelli L., Ruggiero G., Ionata E., Rossi M. and Cara La F., A Novel Thermoacidophilic Cellulase from Alicyclobacillus acidocaldarius, Protein & Peptide Letters 2008; 15 (9) . https://dx.doi.org/10.2174/092986608785849209