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Author : Ayesha S. Farooq
Publisher :
ISBN 13 :
Total Pages : 450 pages
Book Rating : 4.:/5 (125 download)
Download or read book Identifying New Yeast Strains for Bioethanol Production written by Ayesha S. Farooq and published by . This book was released on 2015 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4.:/5 (441 download)
Download or read book Engineering Yeast Strains to Enhance Bioethanol Production Efficiency written by and published by . This book was released on 2008 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: The past decade has witnessed a tremendous increase in the production and demand for bio-fuels in the United States and worldwide. Bio-ethanol and bio-diesel are the two most common types of bio-fuels considered as potential substitutes to fossil oilbased fuel. In the U.S., maize seed is used as the main source of carbohydrate to produce bio-ethanol. The fermentation step is the most critical step in the production of bio-ethanol. The budding yeast Saccharomyces cerevisiae has generally been adopted as the main organism used to ferment maize seed for bio-ethanol production. One of the proposed strategies to improve and optimize bio-ethanol production is to develop new strains of S. cerevisiae with tolerance to stresses. The main objectives here were; generate S. cerevisiae mutants tolerant to high alcohol concentrations; test for their ability to ferment starch and partially characterize the mutations responsible for the new phenotypes. The chemical mutagen ethyl methane sulfonate (EMS) was used to mutagenize two strains of S. cerevisiae. The mutagenized yeast strains were exposed to high concentrations of ethanol and the tolerant mutants were selected. Mutant strains were sent to National Corn to Ethanol Research Center (NCERC) located in Edwardsville, Illinois to test for their fermentation ability and ethanol production under conditions similar to those present in ethanol production plants. The AFLP (Amplified Fragment Length Polymorphism) was used to identify some of the genes mutated in the tolerant strains. Enzyme assays were used to examine the effects of the mutations on the ethanol metabolism pathways. The research lead to the identification of four altered genes (CAN1, SLS1, VTH1 and COX6) in yeast strains with improved efficiency in ethanol production. The ADH (alcohol dehydrogenase) assay, redox reaction, showed that there was no difference in ADH activity between controls and mutants in either strain. Therefore, the mutations did not appear to affect primary ethanol metabolism. The improved mutant strains might impact the industry directly and/or help increase understanding of the complex mechanisms that regulate the tolerance of budding yeast to stresses encountered during fermentation.
Author : Natália Manuela Strohmayer
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)
Download or read book Phenotypic Characterization of Yeasts Aiming at Bioethanol Production written by Natália Manuela Strohmayer and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Worldwide, the production of bioethanol is derived through first-generation technology, where plants, vegetables, and cereals, that have high levels of sucrose, are fermented by yeast. Brazil, for the production of bioethanol from sugarcane, is among the world's leading producers. The process for bioethanol production is a complex that involves a variety of environmental factors, resulting in different phenotypic profiles of strain used. It has been evidenced that the interaction between environmental factors and microorganism can influence in the identification of different characteristics of Saccharomyces cerevisiae. Also, the bioethanol is developed by the second and third generations, and new yeast strains may also contribute to the feasibility of production. Successful performance of fermentation depends on the ability of the yeast to deal with a number of factors that occur during the fermentation, such as concentration of sugar, ethanol, nitrogen, pH, resistance to contaminants, stress protein, temperature change, and osmotic pressure.
Author : Marcos S. Buckeridge
Publisher : Springer
ISBN 13 : 3319498266
Total Pages : 217 pages
Book Rating : 4.3/5 (194 download)
Download or read book Advances of Basic Science for Second Generation Bioethanol from Sugarcane written by Marcos S. Buckeridge and published by Springer. This book was released on 2017-03-10 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the basic science recently produced in Brazil for the improvement of sugarcane as a bioenergy crop and as a raw material for 2nd generation bioethanol production. It reports achievements that have been advancing the science of cell walls, enzymes, genetics, and sustainability related to sugarcane technologies and give continuity to the research reported in the “Routes to Cellulosic Ethanol”, from Springer. The Introduction (Chapter I) explains how the National Institute of Science and Technology of Bioethanol, founded in 2008 in Brazil, became part of the main international initiatives that started to search for forms to use biomass for bioethanol production in Brazil, US and Europe. Part I reports the advances in plant cell wall composition, structure and architecture, and physical characteristics of sugarcane biomass. These discoveries are opening the way to increased efficiency of pretreatments and hydrolysis, being therefore important information for 2nd generation processes as well as for biorefinery initiatives. Part II focuses on the discovery and characterization of hydrolases from microorganisms that could be used in industrial processes. Recent advances in the search for hydrolases using metagenomics is reported. A great number of genes and enzymes from microorganisms have been discovered, affording improvement of enzyme cocktails better adapted to sugarcane biomass. Part III reports two key issues in the process of 2G ethanol, pentose fermentation and sugarcane genetics. These are the discoveries of new yeast species capable of producing ethanol more efficiently from xylose and the advances made on the sugarcane genetics, a key issue to design varieties adapted to 2G ethanol production. Part IV approaches sustainability through two chapters, one discussing the sustainability of the sugarcane agricultural and environmental system and another discussing how national and mainly international policies of Brazil regarding 2G ethanol production affected the country’s strategies to establish itself as an international player in renewable energy area.
Author : Chandra J. Panchal
Publisher : CRC Press
ISBN 13 : 100014755X
Total Pages : 376 pages
Book Rating : 4.0/5 (1 download)
Download or read book Yeast Strain Selection written by Chandra J. Panchal and published by CRC Press. This book was released on 2020-07-24 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contributors from universities and food, pharmaceutical, and brewing companies detail the current state of yeast strain development and handling, highlighting advances in yeast selection for academic research, industry, and recombinant DNA technology. Featuring the use of Saccharomyces and other yea
Author : Andriy Sibirny
Publisher : Springer
ISBN 13 : 303021110X
Total Pages : 568 pages
Book Rating : 4.0/5 (32 download)
Download or read book Non-conventional Yeasts: from Basic Research to Application written by Andriy Sibirny and published by Springer. This book was released on 2019-08-12 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume scopes several aspects of non-conventional yeast research prepared by the leading specialists in the field. An introduction on taxonomy and systematics enhances the reader’s knowledge on yeasts beyond established ones such as Saccharomyces cerevisiae. Biotechnological approaches that involve fungal utilization of unusual substrates, production of biofuels and useful chemicals as citric acid, glutathione or erythritol are discussed. Further, strategies for metabolic engineering based on knowledge on regulation of gene expression as well as sensing and signaling pathways are presented. The book targets researchers and advanced students working in Microbiology, Microbial Biotechnology and Biochemistry.
Author : Antonio Morata
Publisher : BoD – Books on Demand
ISBN 13 : 9535135996
Total Pages : 302 pages
Book Rating : 4.5/5 (351 download)
Download or read book Yeast written by Antonio Morata and published by BoD – Books on Demand. This book was released on 2017-11-08 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt: Yeast - Industrial Applications is a book that covers applications and utilities of yeasts in food, chemical, energy, and environmental industries collected in 12 chapters. The use of yeasts in the production of metabolites, enzymatic applications, fermented foods, microorganism controls, bioethanol production, and bioremediation of contaminated environments is covered showing results, methodologies, and processes and describing the specific role of yeasts in them. The traditional yeast Saccharomyces cerevisiae is complemented in many applications with the use of less known non-Saccharomyces yeasts that now are being used extensively in industry. This book compiles the experience and know-how of researchers and professors from international universities and research centers.
Author : Francisco A. Cubillos
Publisher : Frontiers Media SA
ISBN 13 : 2889667278
Total Pages : 184 pages
Book Rating : 4.8/5 (896 download)
Download or read book New Advances in Genetic Studies to Understand Yeast Adaptation to Extreme and Fermentative Environments written by Francisco A. Cubillos and published by Frontiers Media SA. This book was released on 2021-04-30 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles Wyman
Publisher : Routledge
ISBN 13 : 1351441760
Total Pages : 289 pages
Book Rating : 4.3/5 (514 download)
Download or read book Handbook on Bioethanol written by Charles Wyman and published by Routledge. This book was released on 2018-05-02 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bioethanol is a versatile transportation fuel and fuel additive that offers excellent performance and reduced air pollution compared to conventional fuels. Its production and use adds little, if any, net release of carbon dioxide to the atmosphere, dramatically reducing the potential for global climate change. Through a sustained research program and an emerging economic competitiveness, the technology for bioethanol production is poised for immediate widespread commercial applications. Written by engineers and scientists providing a technical focus, this handbook provides the up-to-date information needed by managers, engineers, and scientists to evaluate the technology, market, and economics of this fuel, while examining the development of production required to support its commercial use.
Author : Pratima Bajpai
Publisher : Academic Press
ISBN 13 : 0128010665
Total Pages : 121 pages
Book Rating : 4.1/5 (28 download)
Download or read book Xylanolytic Enzymes written by Pratima Bajpai and published by Academic Press. This book was released on 2014-02-03 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: Xylanolytic Enzymes describes the enzyme structure and its interaction with plant cell walls, the properties and production of different enzymes and their application, 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. Recently there has been much industrial interest in xylan and its hydrolytic enzymatic complex, as a supplement and for the manufacturing of food, drinks, textiles, pulps and paper, and ethanol; and in xylitol production as a fermentation substrate for the production of enzymes. This book describes xylan as a major component of plant hemicelluloses. - Presents a thorough overview of all aspects of xylanolytic enzymes - Gives up-to-date authoritative information and cites pertinent research - Includes studies on xylanase regulation and synergistic action between multiple forms of xylanase
Author : Sérgio Luiz Alves Júnior
Publisher : Bentham Science Publishers
ISBN 13 : 9815051075
Total Pages : 494 pages
Book Rating : 4.8/5 (15 download)
Download or read book Yeasts: From Nature to Bioprocesses written by Sérgio Luiz Alves Júnior and published by Bentham Science Publishers. This book was released on 2022-03-15 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since ancient times, yeasts have been used for brewing and breadmaking processes. They now represent a flagship organism for alcoholic fermentation processes. The ubiquity of some yeast species also offers microbiologists a heterologous gene-expression platform, making them a model organism for studying eukaryotes. Yeasts: from Nature to Bioprocesses brings together information about the origin and evolution of yeasts, their ecological relationships, and the main taxonomic groups into a single volume. The book initially explores six significant yeast genera in detailed chapters. The book then delves into the main biotechnological processes in which both prospected and engineered yeasts are successfully employed. Yeasts: from Nature to Bioprocesses, therefore, elucidates the leading role of these single-cell organisms for industrial microbiology in environmental, health, social, and economic terms. This book is a comprehensive, multidisciplinary resource for general readers as well as scholars of all levels who want to know all about yeast microbiology and their industrial applications.
Author :
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (921 download)
Download or read book Identification and Characterization of New Yeast Strains for Beer Brewing written by and published by . This book was released on 2015 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Graeme M. Walker
Publisher : John Wiley & Sons
ISBN 13 : 0471964468
Total Pages : 375 pages
Book Rating : 4.4/5 (719 download)
Download or read book Yeast Physiology and Biotechnology written by Graeme M. Walker and published by John Wiley & Sons. This book was released on 1998-04-08 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Yeasts are the world's premier industrial micro-organisms. In addition to their wide exploitation in the production of foods, beverages and pharmaceuticals, yeasts also play significant roles as model eukaryotic cells in furthering our knowledge in the biological and biomedical sciences. In order for modern biotechnology to fully exploit the activities of yeasts, it is essential to appreciate aspects of yeast cell physiology. In recent years, however, our knowledge of yeast physiological phenomena has lagged behind that of yeast genetics and molecular biology. Yeast Physiology and Biotechnology redresses the balance by linking key aspects of yeast physiology with yeast biotechnology. Individual chapters provide broad and timely coverage of yeast cytology, nutrition, growth and metabolism - important aspects of yeast cell physiology which are pertinent to the practical uses of yeasts in industry. The final chapter reviews traditional, modern and emerging biotechnologies in which roles of yeasts in the production of industrial commodities and their value in biomedical research are fully discussed. Relevant aspects of classical and modern yeast genetics and molecular biology are fully integrated into the appropriate chapters. This up-to-date and fully referenced book is aimed at advanced undergraduate and postgraduate bioscience students,but will also prove to be a valuable source of information for yeast researchers and technologists.
Author : Ronnie G. Willaert
Publisher : MDPI
ISBN 13 : 3038424420
Total Pages : 163 pages
Book Rating : 4.0/5 (384 download)
Download or read book Yeast Biotechnology written by Ronnie G. Willaert and published by MDPI. This book was released on 2018-04-13 with total page 163 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Yeast Biotechnology" that was published in Fermentation
Author : Thalita Peixoto Basso
Publisher : BoD – Books on Demand
ISBN 13 : 1789849373
Total Pages : 232 pages
Book Rating : 4.7/5 (898 download)
Download or read book Fuel Ethanol Production from Sugarcane written by Thalita Peixoto Basso and published by BoD – Books on Demand. This book was released on 2019-01-23 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a broad understanding of bioethanol production from sugarcane, although a few other substrates, except corn, will also be mentioned. The 10 chapters are grouped in five sections. The Fuel Ethanol Production from Sugarcane in Brazil section consists of two chapters dealing with the first-generation ethanol Brazilian industrial process. The Strategies for Sugarcane Bagasse Pretreatment section deals with emerging physicochemical methods for biomass pretreatment, and the non-conventional biomass source for lignocellulosic ethanol production addresses the potential of weed biomass as alternative feedstock. In the Recent Approaches for Increasing Fermentation Efficiency of Lignocellulosic Ethanol section, potential and research progress using thermophile bacteria and yeasts is presented, taking advantage of microorganisms involved in consolidating or simultaneous hydrolysis and fermentation processes. Finally, the Recent Advances in Ethanol Fermentation section presents the use of cold plasma and hydrostatic pressure to increase ethanol production efficiency. Also in this section the use of metabolic-engineered autotrophic cyanobacteria to produce ethanol from carbon dioxide is mentioned.
Download or read book Systematic and Combinatorial Approaches for Metabolic Engineering of Optimal Yeast Strains to Produce Fuels and Chemicals written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geoffrey M. Gadd
Publisher : Academic Press
ISBN 13 : 0128207108
Total Pages : 202 pages
Book Rating : 4.1/5 (282 download)
Download or read book Advances in Applied Microbiology written by Geoffrey M. Gadd and published by Academic Press. This book was released on 2020-09-16 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Applied Microbiology, Volume 113, continues the comprehensive reach of this widely read and authoritative review source in microbiology. Users will find invaluable references and information on a variety of areas relating to the topic, with this release focusing on Gaps in the Assortment of Rapid Assays for Microorganisms of Interest to the Dairy Industry, Metal reduction and corrosion by bacterial biofilms, The microbiology of red brines, Clostridium thermocellum: a microbial platform for high-value chemical production from lignocellulose, and The zincophore system in pathogenic yeasts. - Contains contributions from leading authorities in the field - Informs and updates on all the latest developments in the field of microbiology - Includes discussions on the role of specific molecules in pathogen life stages, interactions, and much more
