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Title: Efficient Eucalypt Cell Wall Deconstruction and Conversion for Sustainable Lignocellulosic Biofuels

Journal Article · · Frontiers in Bioengineering and Biotechnology
 [1];  [2];  [1];  [3];  [1]
  1. Univ. of Queensland, Brisbane, QLD (Australia). Queensland Alliance for Agriculture and Food Innovation
  2. Univ. of the Sunshine Coast, QLD (Australia). Forest Industries Research Centre; Agri-Science Queensland, QLD (Australia). Dept. of Agriculture and Fisheries, Forestry and Biosciences
  3. Univ. of Queensland, Brisbane, QLD (Australia). Queensland Alliance for Agriculture and Food Innovation; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Joint BioEnergy Institute (JBEI), Emeryville, CA (United States); Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States). Biological and Engineering Sciences Center

In order to meet the world’s growing energy demand and reduce the impact of greenhouse gas emissions resulting from fossil fuel combustion, renewable plant-based feedstocks for biofuel production must be considered. The first-generation biofuels, derived from starches of edible feedstocks, such as corn, create competition between food and fuel resources, both for the crop itself and the land on which it is grown. As such, biofuel synthesized from non-edible plant biomass (lignocellulose) generated on marginal agricultural land will help to alleviate this competition. Eucalypts, the broadly defined taxa encompassing over 900 species of Eucalyptus, Corymbia, and Angophora are the most widely planted hardwood tree in the world, harvested mainly for timber, pulp and paper, and biomaterial products. More recently, due to their exceptional growth rate and amenability to grow under a wide range of environmental conditions, eucalypts are a leading option for the development of a sustainable lignocellulosic biofuels. However, efficient conversion of woody biomass into fermentable monomeric sugars is largely dependent on pretreatment of the cell wall, whose formation and complexity lend itself toward natural recalcitrance against its efficient deconstruction. A greater understanding of this complexity within the context of various pretreatments will allow the design of new and effective deconstruction processes for bioenergy production. In this review, we present the various pretreatment options for eucalypts, including research into understanding structure and formation of the eucalypt cell wall.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER). Biological Systems Science Division
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1628943
Journal Information:
Frontiers in Bioengineering and Biotechnology, Vol. 3; ISSN 2296-4185
Publisher:
Frontiers Research FoundationCopyright Statement
Country of Publication:
United States
Language:
English

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