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Open AccessJournal ArticleDOI

Fungal xylanase production under solid state and submerged fermentation conditions

Suprabha G. Nair, +2 more
- 30 Apr 2008 - 
- Vol. 2, Iss: 4, pp 82-86
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TLDR
All strains produced cellulase along with xylanase in solid state fermentation, while 70% of the strainsproduced cellulase-free x Dylanase during submerged fermentation.
Abstract
Seventy fungal strains were isolated from soils collected from different parts of southern Kerala, India. The strains were screened for xylanase production using Czapek’s agar medium. On the basis of clearing zones formed, 34 fungal strains were selected and identified. Solid state and submerged fermentation were done to identify strains that could produce maximum amount of xylanase, as well as to identify those strains that could produce cellulase-free xylanase under these conditions. All strains produced cellulase along with xylanase in solid state fermentation, while 70% of the strains produced cellulase-free xylanase during submerged fermentation.   Key words:  Xylanase, Czapek’s agar, solid state fermentation, submerged fermentation

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Applications of Microbial Enzymes in Food Industry.

TL;DR: The present review discusses the recent advancement in enzyme technology for food industries, a comprehensive list of enzymes used in food processing, the microbial source of these enzymes and the wide range of their application are discussed.
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Microbial xylanases and their industrial application in pulp and paper biobleaching: a review.

TL;DR: This review has focused on the microbial enzyme complex involved in the complete breakdown of xylan and the studies on xylanase regulation and their potential industrial applications with special reference to pulp biobleaching, which is directly related to increasing pulp brightness and reduction in environmental pollution.
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Production and extraction optimization of xylanase from Aspergillus niger DFR-5 through solid-state-fermentation.

TL;DR: The result shows that an overall 5.4-fold increase in xylanase production was obtained in concentrated form by optimizing medium components and extraction conditions.
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Potential of apple pomace as a solid substrate for fungal cellulase and hemicellulase bioproduction through solid-state fermentation

TL;DR: Light is shed on the rapid bioproduction of fungal cellulase and hemicellulase using low cost waste, apple pomace as substrate when supplemented with different inducers by Aspergillus niger NRRL-567.
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Biological pretreatment of lignocellulosics: potential, progress and challenges

TL;DR: The knowledge on microorganisms and their enzymes for biodegradation of lignin in plant cell walls is reviewed, the progress in biopulping as well as in biological pret treatment for obtaining sugars is summarized, and future perspectives on biological pretreatment development are provided.
References
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Journal ArticleDOI

Interlaboratory testing of methods for assay of xylanase activity

TL;DR: In this paper, a collaborative investigation of assays for endo-1,4-β-xylanase activity based on production of reducing sugars from polymeric 4-O-methyl glucuronoxylan was conducted.
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Molecular and biotechnological aspects of xylanases

TL;DR: Many lines of evidence suggest that xylanases operate via a double displacement mechanism in which the anomeric configuration is retained, although some of the enzymes catalyze single displacement reactions with inversion of configuration.
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Solid state fermentation for the production of industrial enzymes

TL;DR: This review focuses on the production of various industrial enzymes by SSF processes, and an illustrative survey is presented on various individual groups of enzymes such as cellulolytic, pectinolytics, ligninolytic, amylolytic and lipolytic enzymes.
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