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Cloning, expression in Pichia pastoris, and characterization of a thermostable GH5 mannan endo-1,4-β-mannosidase from Aspergillus niger BK01 |
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| Authors: | Do Bien-Cuong Dang Thi-Thu Jean-Guy Berrin Dietmar Haltrich To Kim-Anh Jean-Claude Sigoillot Montarop Yamabhai |
| Institution: | 1. Institute of Biological and Food Technology, Hanoi University of Technology, Hanoi, Vietnam 2. INRA, UMR1163 de Biotechnologie des Champignons Filamenteux, ESIL, 163 avenue de Luminy, CP 925, 13288, Marseille Cedex 09, France 3. BOKU - University of Natural Resources and Applied Life Sciences, Vienna, Austria 4. UMR1163 de Biotechnologie des Champignons Filamenteux, ESIL, Université de Provence, 163 avenue de Luminy, CP 925, 13288, Marseille Cedex 09, France 5. School of Biotechnology, Institute of Agricultural Technology, Suranaree University of Technology, 111 University Avenue, 30000, Nakhon Ratchasima, Thailand |
| Abstract: | BackgroundMannans are key components of lignocellulose present in the hemicellulosic fraction of plant primary cell walls. Mannan endo-1,4-β-mannosidases (1,4-β-D-mannanases) catalyze the random hydrolysis of β-1,4-mannosidic linkages in the main chain of β-mannans. Biodegradation of β-mannans by the action of thermostable mannan endo-1,4-β-mannosidase offers significant technical advantages in biotechnological industrial applications, i.e. delignification of kraft pulps or the pretreatment of lignocellulosic biomass rich in mannan for the production of second generation biofuels, as well as for applications in oil and gas well stimulation, extraction of vegetable oils and coffee beans, and the production of value-added products such as prebiotic manno-oligosaccharides (MOS). |
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