Microbial Xylanolytic Enzymes

Microbial Xylanolytic Enzymes

1st Edition - May 29, 2022

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  • Author: Pratima Bajpai
  • Paperback ISBN: 9780323996365
  • eBook ISBN: 9780323996372

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Microbial Xylanolytic Enzymes describes the enzyme structure and its interaction with plant cell walls, the properties and production of different enzymes and their applications, and the knowledge gathered on the hydrolysis mechanism of hemicellulose. The knowledge gathered about the hydrolysis mechanism of the hemicelluloses, especially xylans, has greatly promoted the rapid application of these enzymes in new areas. In recent years, there has been a spurt of interest in xylan degrading enzymes due to their applications in several industrial processes, including paper and pulp industries, food and feed industries, biofuel industry, textile industry, chemical and pharmaceutical industry, brewing industry, and more. Xylan is the principal type of hemicellulose. An enzymatic complex is responsible for the hydrolysis of xylan, but the main enzymes involved are enzymes produced by fungi, bacteria, yeast, algae, protozoans, and more.

Key Features

  • Gives up-to-date authoritative information and cites pertinent research on the synergistic action of xylanolytic enzymes
  • Includes studies on xylanase regulation and synergistic action between multiple forms of xylanase
  • Covers, in great depth, all aspects of Xylanolytic enzymes
  • Includes detailed descriptions on Xylanolytic enzymes as a supplement in animal feed, for the manufacture of bread, food and drinks, textile industry, pulp and paper industry, biofuel industry and production of pharmaceuticals and important chemicals and waste management, etc.
  • Challenges future trends in the commercial production and application of xylanases


Researchers in microbiology, microbial technology, biotechnology, biochemistry, researchers in food, pulp and paper and bioresource technology. Technical staff at both academic and industrial research organizations, business development staff

Table of Contents

  • Cover image
  • Title page
  • Table of Contents
  • Copyright
  • List of figures
  • List of tables
  • Preface
  • Acknowledgments
  • Chapter 1. General background on microbial xylanolytic enzymes
  • 1.1. Introduction on enzymes
  • 1.2. Xylan
  • 1.3. Xylanases
  • Chapter 2. Xylan occurrence and structure
  • 2.1. Introduction
  • 2.2. Xylan occurrence and structure
  • 2.3. Xylan interactions with cellulose and lignin
  • Chapter 3. Microbial xylanolytic enzyme system and their properties
  • 3.1. Introduction
  • 3.2. Endo-1,4-β-xylanases
  • 3.3. β-d-Xylosidases
  • 3.4. Acetylxylan esterase
  • 3.5. Arabinase
  • 3.6. α-Glucuronidases
  • 3.7. Ferulic acid esterase and p-coumaric acid esterase
  • Chapter 4. Structure and synergism between the enzymes of the xylanolytic complex
  • 4.1. Introduction
  • 4.2. Xylanosomes
  • 4.3. Synergistic action between multiple forms of xylanase
  • 4.4. Multiple forms of xylanases
  • Chapter 5. Sources, production, and classification of xylanases
  • 5.1. Introduction
  • 5.2. Sources
  • 5.3. Production
  • 5.4. Classification of xylanases
  • Chapter 6. Enhanced xylanase production by using statistical designs
  • 6.1. Introduction
  • 6.2. Statistical approach for enhanced xylanase production
  • Chapter 7. Molecular cloning and expression of xylanase gene
  • 7.1. Introduction
  • 7.2. Gene cloning and expression of xylanase genes
  • Chapter 8. Strain improvement by mutation
  • 8.1. Introduction
  • 8.2. Mutation of microorganisms for enhanced xylanase production
  • Chapter 9. Purification of xylanases
  • 9.1. Introduction
  • 9.2. Purification
  • Chapter 10. Immobilization of xylanases
  • 10.1. Introduction
  • 10.2. Techniques used for immobilization
  • Chapter 11. Industrial applications of xylanases
  • 11.1. Introduction
  • 11.2. Pulp and paper
  • 11.3. Food
  • 11.4. Feed
  • 11.5. Textiles
  • 11.6. Pharmaceuticals and chemicals
  • 11.7. Biofuel industry
  • 11.8. Brewing
  • 11.9. Other applications
  • Chapter 12. Challenges and future trends in application of xylanases
  • Index

Product details

  • No. of pages: 244
  • Language: English
  • Copyright: © Academic Press 2022
  • Published: May 29, 2022
  • Imprint: Academic Press
  • Paperback ISBN: 9780323996365
  • eBook ISBN: 9780323996372

About the Author

Pratima Bajpai

Dr. Pratima Bajpai is currently working as a Consultant in the field of Paper and Pulp. She has over 36 years of experience in research at the National Sugar Institute, University of Saskatchewan, the University of Western Ontario, in Canada, in addition to the Thapar Research and Industrial Development Centre, in India. She also worked as a visiting professor at the University of Waterloo, Canada, and as a visiting researcher at Kyushu University, Fukuoka, Japan. She has been named among the World’s Top 2% Scientists by Stanford University in the list published in October 2021. This is the second consecutive year that she has made it into the prestigious list. Dr. Bajpai's main areas of expertise are industrial biotechnology, pulp and paper, and environmental biotechnology. She has contributed immensely to the field of industrial biotechnology and is a recognized expert in the field. Dr. Bajpai has written several advanced level technical books on environmental and biotechnological aspects of pulp and paper which have been published by leading publishers in the United States and Europe. She has also contributed chapters to a number of books and encyclopedia, obtained 11 patents, written several technical reports, and has implemented several processes in Indian Paper mills. Dr. Bajpai is an active member of the American Society of Microbiologists and is a reviewer of many international research journals. She has also handled several Sponsored Research Projects from industry and government agencies. She is an active member of the New York Academy of Science, American Society for Microbiology, and many more.

Affiliations and Expertise

Consultant-Pulp and Paper, Kanpur, India

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