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Recent Patents on DNA & Gene Sequences


ISSN (Print): 1872-2156
ISSN (Online): 2212-3431

Recent Patents on Genetic Modification of Plants and Microbes for Biomass Conversion to Biofuels

Author(s): Simona Lubieniechi, Thinesh Peranantham and David B. Levin

Volume 7 , Issue 1 , 2013

Page: [25 - 35] Pages: 11

DOI: 10.2174/1872215611307010005

Price: $65


Development of sustainable energy systems based on renewable biomass feedstocks is now a global effort. Lignocellulosic biomass contains polymers of cellulose, hemicellulose, and lignin, bound together in a complex structure. Liquid biofuels, such as ethanol, can be made from biomass via fermentation of sugars derived from the cellulose and hemicellulose within lignocellulosic materials, but pre-treatment of the biomass to release sugars for microbial conversion is a significant barrier to commercial success of lignocellulosic biofuel production. Strategies to reduce the energy and cost inputs required for biomass pre-treatment include genetic modification of plant materials to reduce lignin content. Significant efforts are also underway to create recombinant microorganisms capable of converting sugars derived from lignocellulosic biomass to a variety of biofuels. An alternative strategy to reduce the costs of cellulosic biofuel production is the use of cellulolytic microorganisms capable of direct microbial conversion of ligno-cellulosic biomass to fuels. This paper reviews recent patents on genetic modification of plants and microbes for biomass conversion to biofuels.

Keywords: Biomass, Biofuels, Genetic modification, Lignocellulose, Patents, Plants, Pretreatment, Microorganisms, Hemicellulose, PRE-TREATED BIOMASS, cellulolytic enzymes, altered morphology, Genetic Engineering of Lignin, Flccellulase-transgenic plants, Zymomonas Species, recombinant hosts, quorum sensing, Gene knockout mesophilic, pentose sugars, CONSOLIDATED BIOPROCESSING

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