Metabolic Engineering of Clostridium Acetobutylicum for the Production of Fuels and Chemicals PDF Download
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Author: Ngoc phuong thao Nguyen
Publisher:
ISBN:
Category :
Languages : en
Pages : 215
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Book Description
Current ly, there is a resurgence of interest in Clostridium acetobutylicum, the biocatalyst of the historical Weizmann process, to produce n-butanol for use both as a bulk chemical and as a renewablc alternative transportation fuel. This thesis describes a method of homologous recombination by replicative plasmid to delete or introduce genes in C. acetobutylicum . This method was successfull y used to delete genes, includin g CACJ502, CAC3535, CAC2879 (upp), to generate C. acetobutylicum. These strains are readily transformable without any previous plasmid methylation and can serve as hosts for a "marker-less" genetic exchange system. A mutant C. acetobutylicum (C. acetobuty licum CAB 1060) was successfully genera ted. This final mutant produces mainly bu tanol, with ethanol and traces of acetate at a molar rati o of 7:1 :1 . This CAB 1060 strain was subjected to a new continuous fermentation process using i) in situ extraction of alcohols by distillation under low pressure and ii) high cell density cultures to increase the titer, yield and productivity of n-butanol production to levels that have never been previously açhieved in any organism . A second homologous recombination method using non-replicative plasmid for marker less gene modification is also described in this thesis. This method allows the simultaneou s inactivation of two genes. lt has been successfully used to construct a mutant unable to produce hydrogen and useful, as a platform strain, for further engineering of C. acetobutylicum to continuously produce bulk chemicals and fuels.
Author: Ngoc phuong thao Nguyen
Publisher:
ISBN:
Category :
Languages : en
Pages : 215
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Book Description
Current ly, there is a resurgence of interest in Clostridium acetobutylicum, the biocatalyst of the historical Weizmann process, to produce n-butanol for use both as a bulk chemical and as a renewablc alternative transportation fuel. This thesis describes a method of homologous recombination by replicative plasmid to delete or introduce genes in C. acetobutylicum . This method was successfull y used to delete genes, includin g CACJ502, CAC3535, CAC2879 (upp), to generate C. acetobutylicum. These strains are readily transformable without any previous plasmid methylation and can serve as hosts for a "marker-less" genetic exchange system. A mutant C. acetobutylicum (C. acetobuty licum CAB 1060) was successfully genera ted. This final mutant produces mainly bu tanol, with ethanol and traces of acetate at a molar rati o of 7:1 :1 . This CAB 1060 strain was subjected to a new continuous fermentation process using i) in situ extraction of alcohols by distillation under low pressure and ii) high cell density cultures to increase the titer, yield and productivity of n-butanol production to levels that have never been previously açhieved in any organism . A second homologous recombination method using non-replicative plasmid for marker less gene modification is also described in this thesis. This method allows the simultaneou s inactivation of two genes. lt has been successfully used to construct a mutant unable to produce hydrogen and useful, as a platform strain, for further engineering of C. acetobutylicum to continuously produce bulk chemicals and fuels.
Author: Christoph Wittmann
Publisher: Springer Science & Business Media
ISBN: 9400745346
Category : Medical
Languages : en
Pages : 391
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Book Description
Systems Metabolic Engineering is changing the way microbial cell factories are designed and optimized for industrial production. Integrating systems biology and biotechnology with new concepts from synthetic biology enables the global analysis and engineering of microorganisms and bioprocesses at super efficiency and versatility otherwise not accessible. Without doubt, systems metabolic engineering is a major driver towards bio-based production of chemicals, materials and fuels from renewables and thus one of the core technologies of global green growth. In this book, Christoph Wittmann and Sang-Yup Lee have assembled the world leaders on systems metabolic engineering and cover the full story – from genomes and networks via discovery and design to industrial implementation practises. This book is a comprehensive resource for students and researchers from academia and industry interested in systems metabolic engineering. It provides us with the fundaments to targeted engineering of microbial cells for sustainable bio-production and stimulates those who are interested to enter this exiting research field.
Author: Sang Yup Lee
Publisher: CRC Press
ISBN: 1000105555
Category : Science
Languages : en
Pages : 450
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Book Description
This unique reference/text presents the basic theory and practical applications of metabolic engineering (ME). It offers systematic analysis of complex metabolic pathways and ways of employing recombinant DNA techniques to alter cell behavior, metabolic patterns, and product formation. Treating ME as a distinct subfield of genetic engineering, the book demonstrates new means of enabling cells to produce valuable proteins, polypeptides, and primary and secondary metabolites. Written by more than 35 leading international experts in the field, this book discusses metabolic engineering in plant and mammalian cells, bacteria, and yeasts and assesses metabolic engineering applications in agriculture, pharmaceuticals, and environmental systems. It illuminates the potential of the "cell factory" model for production of chemicals and therapeutics and examines methods for developing new antiviral and antibacterial molecules and effective gene and somatic-cell therapies. Metabolic Engineering also addresses the use of metabolic flux analysis, metabolic control analysis, and online metabolic flux analysis.
Author: Peter Duerre
Publisher: CRC Press
ISBN: 113550198X
Category : Medical
Languages : en
Pages : 1451
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Book Description
Clostridia is one of the largest bacterial genera with an enormous potential for biotechnical and medical applications. Despite growing scientific, medical, and industrial interest, information on basic methods, biochemical fundamentals, clinical practice, industrial applications, and novel developments remains scattered in a variety of research ar
Author: Sang Yup Lee
Publisher: Springer
ISBN: 9783319504353
Category : Science
Languages : en
Pages : 0
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Book Description
This book covers the current states of microbial and related technologies that have been developed for the efficient production of chemicals, fuels and materials by integrating strain and enzyme development, fermentation processes, and downstream processes. The book also covers how microbes and microbial products can be employed to facilitate petroleum recovery. Global consequences of bio-based production of chemicals, fuels and materials are also discussed with insights.
Author: Bunmi Busola Omorotionmwan
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Carrie A Eckert
Publisher: Elsevier
ISBN: 0081000537
Category : Science
Languages : en
Pages : 574
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Book Description
Biotechnology for Biofuel Production and Optimization is the compilation of current research findings that cover the entire process of biofuels production from manipulation of genes and pathways to organisms and renewable feedstocks for efficient biofuel production as well as different cultivation techniques and process scale-up considerations. This book captures recent breakthroughs in the interdisciplinary areas of systems and synthetic biology, metabolic engineering, and bioprocess engineering for renewable, cleaner sources of energy. - Describes state-of-the-art engineering of metabolic pathways for the production of a variety of fuel molecules - Discusses recent advances in synthetic biology and metabolic engineering for rational design, construction, evaluation of novel pathways and cell chassis - Covers genome engineering technologies to address complex biofuel-tolerant phenotypes for enhanced biofuel production in engineered chassis - Presents the use of novel microorganisms and expanded substrate utilization strategies for production of targeted fuel molecules - Explores biohybrid methods for harvesting bioenergy - Discusses bioreactor design and optimization of scale-up
Author: C.N. Hunter
Publisher: Springer Science & Business Media
ISBN: 1402088159
Category : Science
Languages : en
Pages : 1013
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Book Description
Here is a comprehensive survey of all aspects of these fascinating bacteria, metabolically the most versatile organisms on Earth. It compiles 48 chapters written by leading experts, who highlight the huge progress made in studies of these bacteria since 1995.
Author: Cynthia Kelechi Akaluka
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Sang Yup Lee
Publisher: John Wiley & Sons
ISBN: 352782345X
Category : Science
Languages : en
Pages : 1075
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Book Description
Learn more about foundational and advanced topics in metabolic engineering in this comprehensive resource edited by leaders in the field Metabolic Engineering: Concepts and Applications delivers a one-stop resource for readers seeking a complete description of the concepts, models, and applications of metabolic engineering. This guide offers practical insights into the metabolic engineering of major cell lines, including E. Coli, Bacillus and Yarrowia Lipolytica, and organisms, including human, animal, and plant). The distinguished editors also offer readers resources on microbiome engineering and the use of metabolic engineering in bioremediation. Written in two parts, Metabolic Engineering begins with the essential models and strategies of the field, like Flux Balance Analysis, Quantitative Flux Analysis, and Proteome Constrained Models. It also provides an overview of topics like Pathway Design, Metabolomics, and Genome Editing of Bacteria and Eukarya. The second part contains insightful descriptions of the practical applications of metabolic engineering, including specific examples that shed light on the topics within. In addition to subjects like the metabolic engineering of animals, humans, and plants, you’ll learn more about: Metabolic engineering concepts and a historical perspective on their development The different modes of analysis, including flux balance analysis and quantitative flux analysis An illuminating and complete discussion of the thermodynamics of metabolic pathways The Genome architecture of E. coli, as well as genome editing of both bacteria and eukarya An in-depth treatment of the application of metabolic engineering techniques to organisms including corynebacterial, bacillus, and pseudomonas, and more Perfect for students of biotechnology, bioengineers, and biotechnologists, Metabolic Engineering: Concepts and Applications also has a place on the bookshelves of research institutes, biotechnological institutes and industry labs, and university libraries. It's comprehensive treatment of all relevant metabolic engineering concepts, models, and applications will be of use to practicing biotechnologists and bioengineers who wish to solidify their understanding of the field.
