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Agave proves to be a low recalcitrant lignocellulosic feedstock for biofuels production on semi-arid lands.

Identifieur interne : 002379 ( Main/Exploration ); précédent : 002378; suivant : 002380

Agave proves to be a low recalcitrant lignocellulosic feedstock for biofuels production on semi-arid lands.

Auteurs : Hongjia Li [États-Unis] ; Sivakumar Pattathil [États-Unis] ; Marcus B. Foston [États-Unis] ; Shi-You Ding [États-Unis] ; Rajeev Kumar [États-Unis] ; Xiadi Gao [États-Unis] ; Ashutosh Mittal [États-Unis] ; John M. Yarbrough [États-Unis] ; Michael E. Himmel [États-Unis] ; Arthur J. Ragauskas [États-Unis] ; Michael G. Hahn [États-Unis] ; Charles E. Wyman [États-Unis]

Source :

RBID : pubmed:24708685

Abstract

BACKGROUND

Agave, which is well known for tequila and other liquor production in Mexico, has recently gained attention because of its attractive potential to launch sustainable bioenergy feedstock solutions for semi-arid and arid lands. It was previously found that agave cell walls contain low lignin and relatively diverse non-cellulosic polysaccharides, suggesting unique recalcitrant features when compared to conventional C4 and C3 plants.

RESULTS

Here, we report sugar release data from fungal enzymatic hydrolysis of non-pretreated and hydrothermally pretreated biomass that shows agave to be much less recalcitrant to deconstruction than poplar or switchgrass. In fact, non-pretreated agave has a sugar release five to eight times greater than that of poplar wood and switchgrass . Meanwhile, state of the art techniques including glycome profiling, nuclear magnetic resonance (NMR), Simon's Stain, confocal laser scanning microscopy and so forth, were applied to measure interactions of non-cellulosic wall components, cell wall hydrophilicity, and enzyme accessibility to identify key structural features that make agave cell walls less resistant to biological deconstruction when compared to poplar and switchgrass.

CONCLUSIONS

This study systematically evaluated the recalcitrant features of agave plants towards biofuels applications. The results show that not only does agave present great promise for feeding biorefineries on semi-arid and arid lands, but also show the value of studying agave's low recalcitrance for developments in improving cellulosic energy crops.


DOI: 10.1186/1754-6834-7-50
PubMed: 24708685
PubMed Central: PMC4022320


Affiliations:


Links toward previous steps (curation, corpus...)


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<nlm:affiliation>Department of Chemical and Environmental Engineering, Bourns College of Engineering, University of California, 900 University Ave, Riverside, CA 92507, USA ; Center for Environmental Research and Technology, University of California, 1084 Columbia Ave, Riverside, CA 92507, USA ; BioEnergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA ; Current address: DuPont Industrial Biosciences, 925 Page Mill Rd, Palo Alto, CA 94304, USA.</nlm:affiliation>
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<name sortKey="Li, Hongjia" sort="Li, Hongjia" uniqKey="Li H" first="Hongjia" last="Li">Hongjia Li</name>
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<nlm:affiliation>Department of Chemical and Environmental Engineering, Bourns College of Engineering, University of California, 900 University Ave, Riverside, CA 92507, USA ; Center for Environmental Research and Technology, University of California, 1084 Columbia Ave, Riverside, CA 92507, USA ; BioEnergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA ; Current address: DuPont Industrial Biosciences, 925 Page Mill Rd, Palo Alto, CA 94304, USA.</nlm:affiliation>
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<name sortKey="Foston, Marcus B" sort="Foston, Marcus B" uniqKey="Foston M" first="Marcus B" last="Foston">Marcus B. Foston</name>
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<nlm:affiliation>Institute of Paper Science and Technology, Georgia Institute of Technology, 500 10th St. NW, Atlanta, GA 30332, USA ; BioEnergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA ; Current address: Energy, Environmental & Chemical Engineering Department, Washington University in St. Louis, 1 Brookings Drive, St. Louis, MO 63130, USA.</nlm:affiliation>
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<wicri:regionArea>Institute of Paper Science and Technology, Georgia Institute of Technology, 500 10th St. NW, Atlanta, GA 30332, USA ; BioEnergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA ; Current address: Energy, Environmental & Chemical Engineering Department, Washington University in St. Louis, 1 Brookings Drive, St. Louis, MO 63130</wicri:regionArea>
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<name sortKey="Ding, Shi You" sort="Ding, Shi You" uniqKey="Ding S" first="Shi-You" last="Ding">Shi-You Ding</name>
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<nlm:affiliation>National Renewable National Laboratory, 15013 Denver W Pkwy, Golden, CO 37831, USA ; BioEnergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
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<region type="state">Tennessee</region>
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<name sortKey="Kumar, Rajeev" sort="Kumar, Rajeev" uniqKey="Kumar R" first="Rajeev" last="Kumar">Rajeev Kumar</name>
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<nlm:affiliation>Department of Chemical and Environmental Engineering, Bourns College of Engineering, University of California, 900 University Ave, Riverside, CA 92507, USA ; Center for Environmental Research and Technology, University of California, 1084 Columbia Ave, Riverside, CA 92507, USA ; BioEnergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA.</nlm:affiliation>
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<nlm:affiliation>Department of Chemical and Environmental Engineering, Bourns College of Engineering, University of California, 900 University Ave, Riverside, CA 92507, USA ; Center for Environmental Research and Technology, University of California, 1084 Columbia Ave, Riverside, CA 92507, USA ; BioEnergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA.</nlm:affiliation>
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<name sortKey="Mittal, Ashutosh" sort="Mittal, Ashutosh" uniqKey="Mittal A" first="Ashutosh" last="Mittal">Ashutosh Mittal</name>
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<region type="state">Colorado</region>
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<name sortKey="Yarbrough, John M" sort="Yarbrough, John M" uniqKey="Yarbrough J" first="John M" last="Yarbrough">John M. Yarbrough</name>
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<name sortKey="Himmel, Michael E" sort="Himmel, Michael E" uniqKey="Himmel M" first="Michael E" last="Himmel">Michael E. Himmel</name>
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<name sortKey="Ragauskas, Arthur J" sort="Ragauskas, Arthur J" uniqKey="Ragauskas A" first="Arthur J" last="Ragauskas">Arthur J. Ragauskas</name>
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<country xml:lang="fr">États-Unis</country>
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<region type="state">Tennessee</region>
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<name sortKey="Hahn, Michael G" sort="Hahn, Michael G" uniqKey="Hahn M" first="Michael G" last="Hahn">Michael G. Hahn</name>
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<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Complex Carbohydrate Research Center, University of Georgia, 315 Riverbend Rd., Athens, GA 30602, USA ; BioEnergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831</wicri:regionArea>
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<region type="state">Tennessee</region>
</placeName>
</affiliation>
</author>
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<name sortKey="Wyman, Charles E" sort="Wyman, Charles E" uniqKey="Wyman C" first="Charles E" last="Wyman">Charles E. Wyman</name>
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<nlm:affiliation>Department of Chemical and Environmental Engineering, Bourns College of Engineering, University of California, 900 University Ave, Riverside, CA 92507, USA ; Center for Environmental Research and Technology, University of California, 1084 Columbia Ave, Riverside, CA 92507, USA ; BioEnergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831, USA.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Chemical and Environmental Engineering, Bourns College of Engineering, University of California, 900 University Ave, Riverside, CA 92507, USA ; Center for Environmental Research and Technology, University of California, 1084 Columbia Ave, Riverside, CA 92507, USA ; BioEnergy Science Center, Oak Ridge National Laboratory, 1 Bethel Valley Rd, Oak Ridge, TN 37831</wicri:regionArea>
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<series>
<title level="j">Biotechnology for biofuels</title>
<idno type="ISSN">1754-6834</idno>
<imprint>
<date when="2014" type="published">2014</date>
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<front>
<div type="abstract" xml:lang="en">
<p>
<b>BACKGROUND</b>
</p>
<p>Agave, which is well known for tequila and other liquor production in Mexico, has recently gained attention because of its attractive potential to launch sustainable bioenergy feedstock solutions for semi-arid and arid lands. It was previously found that agave cell walls contain low lignin and relatively diverse non-cellulosic polysaccharides, suggesting unique recalcitrant features when compared to conventional C4 and C3 plants.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>RESULTS</b>
</p>
<p>Here, we report sugar release data from fungal enzymatic hydrolysis of non-pretreated and hydrothermally pretreated biomass that shows agave to be much less recalcitrant to deconstruction than poplar or switchgrass. In fact, non-pretreated agave has a sugar release five to eight times greater than that of poplar wood and switchgrass . Meanwhile, state of the art techniques including glycome profiling, nuclear magnetic resonance (NMR), Simon's Stain, confocal laser scanning microscopy and so forth, were applied to measure interactions of non-cellulosic wall components, cell wall hydrophilicity, and enzyme accessibility to identify key structural features that make agave cell walls less resistant to biological deconstruction when compared to poplar and switchgrass.</p>
</div>
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<p>
<b>CONCLUSIONS</b>
</p>
<p>This study systematically evaluated the recalcitrant features of agave plants towards biofuels applications. The results show that not only does agave present great promise for feeding biorefineries on semi-arid and arid lands, but also show the value of studying agave's low recalcitrance for developments in improving cellulosic energy crops.</p>
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<Month>08</Month>
<Day>12</Day>
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<Month>09</Month>
<Day>30</Day>
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<ArticleTitle>Agave proves to be a low recalcitrant lignocellulosic feedstock for biofuels production on semi-arid lands.</ArticleTitle>
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<AbstractText Label="RESULTS" NlmCategory="RESULTS">Here, we report sugar release data from fungal enzymatic hydrolysis of non-pretreated and hydrothermally pretreated biomass that shows agave to be much less recalcitrant to deconstruction than poplar or switchgrass. In fact, non-pretreated agave has a sugar release five to eight times greater than that of poplar wood and switchgrass . Meanwhile, state of the art techniques including glycome profiling, nuclear magnetic resonance (NMR), Simon's Stain, confocal laser scanning microscopy and so forth, were applied to measure interactions of non-cellulosic wall components, cell wall hydrophilicity, and enzyme accessibility to identify key structural features that make agave cell walls less resistant to biological deconstruction when compared to poplar and switchgrass.</AbstractText>
<AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">This study systematically evaluated the recalcitrant features of agave plants towards biofuels applications. The results show that not only does agave present great promise for feeding biorefineries on semi-arid and arid lands, but also show the value of studying agave's low recalcitrance for developments in improving cellulosic energy crops.</AbstractText>
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