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Insight into a novel β-1,4-glucosidase from Streptomyces griseorubens JSD-1

Insight into a novel β-1,4-glucosidase from Streptomyces griseorubens JSD-1 Streptomyces griseorubens JSD-1 is novel isolate utilizing cellulose as a sole carbon source for growth, and cellulytic genes related to this proceßs were expected to be crucial. To investigate the molecular mechanism of cellulose metabolism, bacterial genome sequencing was carried out. As a result, its draft genome map was obtained which has been deposited at GenBank. ß-1,4-glucosidase (Glu) was acquired following with characterization of its cellular localization and expression profiles. Glu from S. griseorubens JSD-1 was suggested to be an intracellular enzyme which was different from those obtained from similar species through the combined analysis of multiple sequences alignment and putative 3D structure modeling. Expression of recombinant enzyme was optimized in heterogeneous hosts for the further determination of its optimum pH and temperature as well as the residual activity in the presence of metal ions and inhibitors. Novel Glu expected to have promising potential in the degradation of cellulosic materials. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Biochemistry and Microbiology Springer Journals

Insight into a novel β-1,4-glucosidase from Streptomyces griseorubens JSD-1

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Publisher
Springer Journals
Copyright
Copyright © 2016 by Pleiades Publishing, Inc.
Subject
Life Sciences; Biochemistry, general; Microbiology; Medical Microbiology
ISSN
0003-6838
eISSN
1608-3024
DOI
10.1134/S0003683816040050
Publisher site
See Article on Publisher Site

Abstract

Streptomyces griseorubens JSD-1 is novel isolate utilizing cellulose as a sole carbon source for growth, and cellulytic genes related to this proceßs were expected to be crucial. To investigate the molecular mechanism of cellulose metabolism, bacterial genome sequencing was carried out. As a result, its draft genome map was obtained which has been deposited at GenBank. ß-1,4-glucosidase (Glu) was acquired following with characterization of its cellular localization and expression profiles. Glu from S. griseorubens JSD-1 was suggested to be an intracellular enzyme which was different from those obtained from similar species through the combined analysis of multiple sequences alignment and putative 3D structure modeling. Expression of recombinant enzyme was optimized in heterogeneous hosts for the further determination of its optimum pH and temperature as well as the residual activity in the presence of metal ions and inhibitors. Novel Glu expected to have promising potential in the degradation of cellulosic materials.

Journal

Applied Biochemistry and Microbiology – Springer Journals

Published: Jul 27, 2016

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