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Full Description
This book highlights the efforts made by distinguished scientific researchers world-wide to meet two key challenges: i) the limited reserves of polluting fossil fuels, and ii) the ever-increasing amounts of waste being generated. These case studies have brought to the foreground certain innovative biological solutions to real-life problems we now face on a global scale: environmental pollution and its role in deteriorating human health. The book also highlights major advances in microbial metabolisms, which can be used to produce bioenergy, biopolymers, bioactive molecules, enzymes, etc. Around the world, countries like China, Germany, France, Sweden and the US are now implementing major national programs for the production of biofuels. The book provides information on how to meet the chief technical challenges - identifying an industrially robust microbe and cheap raw material as feed. Of the various possibilities for generating bioenergy, the most attractive is the microbial production of biohydrogen, which has recently gained significant recognition worldwide, due to its high efficiency and eco-friendly nature. Further, the book highlights factors that can make these bioprocesses more economical, especially the cost of the feed. The anaerobic digestion (AD) process is more advantageous in comparison to aerobic processes for stabilizing biowastes and producing biofuels (hydrogen, biodiesel, 1,3-propanediol, methane, electricity), biopolymers (polyhydroxyalkanoates, cellulose, exopolysaccharides) and bioactive molecules (such as enzymes, volatile fatty acids, sugars, toxins, etc.) for biotechnological and medical applications. Information is provided on how the advent of molecular biological techniques can provide greater insights into novel microbial lineages. Bioinformatic tools and metagenomic techniques have extended the limits to which these biological processes can be exploited to improve human welfare. A new dimension to these scientific works has been added by the emergence of synthetic biology. The Big Question is: How can these Microbial Factories be improved through metabolic engineering and what cost targets need to be met?
Contents
1. Microbes: Factories for Bioproducts.- 2. Exploration of Microbial Cells - The Storehouse of Bio-Wealth Through Metagenomics and Metatranscriptomics.- 3. Ecobiotechnological Approaches: Enrichment Strategy for Improvement of H2 Production.- 4. Microbial Cellulose Synthesis.- 5. Megasphaera as Lactate Utilizing-Hydrogen Producing Bacteria.- 6. Integrative Approach for Biohydrogen and Polyhydroxyalkanoate Production.- 7. Recent Advances in Feedstocks and Enzyme Immobilised Technology for Effective Transesterification of Lipids into Biodiesel.- 8. Biotechnology in Aid of Biodiesel Industry Effluent (Glycerol): Biofuels and Bioplastics.- 9. Recent Achievements in the Production of Biobased 1, 3-Propanediol.- 10. Role of Microorganisms in Microbial Fuel Cells for Bioelectricity Production.- 11. Biological Electricity Production from Wastes and Wastewaters.- 12. Regulation of Lignin Biosynthesis Through RNAi in Aid of Biofuel Production.- 13. Microbial Cellulose Synthesis.- 14. Technological Advances for Treating Municipal waste.- 15. Waste Remediation Integrating with Value Addition: Biorefinery Approach Towards Sustainable Biobased Technologies.- 16. Renewable Energy Derived from Food Waste and Co-digestion of Food Waste with Waste Activated Sludge.- 17. Metabolism of Long Chain Fatty Acids (LCFAs) in Methanogenesis.- 18. Bioremediation of Pesticide Contaminated Soil: Emerging Options.- 19. Microbial Biotransformation of Arsenic in Environment.- 20. Bio-methane production from wastes: focus on feedstock sources and microbial communities.
