Impact of lignin polymer backbone esters on ionic liquid pretreatment of poplar.
Identifieur interne : 001349 ( Main/Corpus ); précédent : 001348; suivant : 001350Impact of lignin polymer backbone esters on ionic liquid pretreatment of poplar.
Auteurs : Kwang Ho Kim ; Tanmoy Dutta ; John Ralph ; Shawn D. Mansfield ; Blake A. Simmons ; Seema SinghSource :
- Biotechnology for biofuels [ 1754-6834 ] ; 2017.
Abstract
BACKGROUND
Biomass pretreatment remains an essential step in lignocellulosic biofuel production, largely to facilitate the efficient removal of lignin and increase enzyme accessibility to the polysaccharides. In recent years, there have been significant efforts
RESULTS
The strategic introduction of ester bonds into the lignin backbone resulted in increased pretreatment efficiency and released more carbohydrates with lower energy input. After pretreatment with any of three different ILs, and after limited saccharification, the transgenic poplars, especially those with relatively higher amounts of incorporated monolignol ferulate conjugates, yielded up to 23% higher sugar levels compared to WT plants.
CONCLUSION
Our findings clearly demonstrate that the introduction of ester linkages into the lignin polymer backbone decreases biomass recalcitrance in poplar has the potential to reduce the energy and/or amount of IL required for effective pretreatment, and could enable the development of an economically viable and sustainable biorefinery process.
DOI: 10.1186/s13068-017-0784-2
PubMed: 28439294
PubMed Central: PMC5399332
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Impact of lignin polymer backbone esters on ionic liquid pretreatment of poplar.</title><author><name sortKey="Kim, Kwang Ho" sort="Kim, Kwang Ho" uniqKey="Kim K" first="Kwang Ho" last="Kim">Kwang Ho Kim</name><affiliation><nlm:affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Biological and Engineering Sciences Center, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551 USA.</nlm:affiliation></affiliation></author><author><name sortKey="Dutta, Tanmoy" sort="Dutta, Tanmoy" uniqKey="Dutta T" first="Tanmoy" last="Dutta">Tanmoy Dutta</name><affiliation><nlm:affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Biological and Engineering Sciences Center, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551 USA.</nlm:affiliation></affiliation></author><author><name sortKey="Ralph, John" sort="Ralph, John" uniqKey="Ralph J" first="John" last="Ralph">John Ralph</name><affiliation><nlm:affiliation>Department of Biochemistry, University of Wisconsin, Madison, WI USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Department of Energy Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, Madison, WI USA.</nlm:affiliation></affiliation></author><author><name sortKey="Mansfield, Shawn D" sort="Mansfield, Shawn D" uniqKey="Mansfield S" first="Shawn D" last="Mansfield">Shawn D. Mansfield</name><affiliation><nlm:affiliation>Department of Energy Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, Madison, WI USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Department of Wood Science, University of British Columbia, Vancouver, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Simmons, Blake A" sort="Simmons, Blake A" uniqKey="Simmons B" first="Blake A" last="Simmons">Blake A. Simmons</name><affiliation><nlm:affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Biological and Engineering Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA USA.</nlm:affiliation></affiliation></author><author><name sortKey="Singh, Seema" sort="Singh, Seema" uniqKey="Singh S" first="Seema" last="Singh">Seema Singh</name><affiliation><nlm:affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Biological and Engineering Sciences Center, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551 USA.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2017">2017</date><idno type="RBID">pubmed:28439294</idno><idno type="pmid">28439294</idno><idno type="doi">10.1186/s13068-017-0784-2</idno><idno type="pmc">PMC5399332</idno><idno type="wicri:Area/Main/Corpus">001349</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001349</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Impact of lignin polymer backbone esters on ionic liquid pretreatment of poplar.</title><author><name sortKey="Kim, Kwang Ho" sort="Kim, Kwang Ho" uniqKey="Kim K" first="Kwang Ho" last="Kim">Kwang Ho Kim</name><affiliation><nlm:affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Biological and Engineering Sciences Center, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551 USA.</nlm:affiliation></affiliation></author><author><name sortKey="Dutta, Tanmoy" sort="Dutta, Tanmoy" uniqKey="Dutta T" first="Tanmoy" last="Dutta">Tanmoy Dutta</name><affiliation><nlm:affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Biological and Engineering Sciences Center, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551 USA.</nlm:affiliation></affiliation></author><author><name sortKey="Ralph, John" sort="Ralph, John" uniqKey="Ralph J" first="John" last="Ralph">John Ralph</name><affiliation><nlm:affiliation>Department of Biochemistry, University of Wisconsin, Madison, WI USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Department of Energy Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, Madison, WI USA.</nlm:affiliation></affiliation></author><author><name sortKey="Mansfield, Shawn D" sort="Mansfield, Shawn D" uniqKey="Mansfield S" first="Shawn D" last="Mansfield">Shawn D. Mansfield</name><affiliation><nlm:affiliation>Department of Energy Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, Madison, WI USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Department of Wood Science, University of British Columbia, Vancouver, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Simmons, Blake A" sort="Simmons, Blake A" uniqKey="Simmons B" first="Blake A" last="Simmons">Blake A. Simmons</name><affiliation><nlm:affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Biological and Engineering Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA USA.</nlm:affiliation></affiliation></author><author><name sortKey="Singh, Seema" sort="Singh, Seema" uniqKey="Singh S" first="Seema" last="Singh">Seema Singh</name><affiliation><nlm:affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Biological and Engineering Sciences Center, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551 USA.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Biotechnology for biofuels</title><idno type="ISSN">1754-6834</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><b>BACKGROUND</b></p><p>Biomass pretreatment remains an essential step in lignocellulosic biofuel production, largely to facilitate the efficient removal of lignin and increase enzyme accessibility to the polysaccharides. In recent years, there have been significant efforts </p></div><div type="abstract" xml:lang="en"><p><b>RESULTS</b></p><p>The strategic introduction of ester bonds into the lignin backbone resulted in increased pretreatment efficiency and released more carbohydrates with lower energy input. After pretreatment with any of three different ILs, and after limited saccharification, the transgenic poplars, especially those with relatively higher amounts of incorporated monolignol ferulate conjugates, yielded up to 23% higher sugar levels compared to WT plants.</p></div><div type="abstract" xml:lang="en"><p><b>CONCLUSION</b></p><p>Our findings clearly demonstrate that the introduction of ester linkages into the lignin polymer backbone decreases biomass recalcitrance in poplar has the potential to reduce the energy and/or amount of IL required for effective pretreatment, and could enable the development of an economically viable and sustainable biorefinery process.</p></div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">28439294</PMID><DateRevised><Year>2020</Year><Month>10</Month><Day>01</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><ISSN IssnType="Print">1754-6834</ISSN><JournalIssue CitedMedium="Print"><Volume>10</Volume><PubDate><Year>2017</Year></PubDate></JournalIssue><Title>Biotechnology for biofuels</Title><ISOAbbreviation>Biotechnol Biofuels</ISOAbbreviation></Journal><ArticleTitle>Impact of lignin polymer backbone esters on ionic liquid pretreatment of poplar.</ArticleTitle><Pagination><MedlinePgn>101</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1186/s13068-017-0784-2</ELocationID><Abstract><AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">Biomass pretreatment remains an essential step in lignocellulosic biofuel production, largely to facilitate the efficient removal of lignin and increase enzyme accessibility to the polysaccharides. In recent years, there have been significant efforts <i>in planta</i> to reduce lignin content or modify its composition to overcome the inherent recalcitrance that it imposes on lignocellulosic biomass during processing. Here, transgenic poplar lines in which monolignol ferulate conjugates were synthesized during cell wall development to introduce, during lignification, readily cleavable ester linkages into the lignin polymer backbone (i.e., "zip lignin"), along with wild-type (WT) controls, were pretreated with different ionic liquids (ILs).</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">The strategic introduction of ester bonds into the lignin backbone resulted in increased pretreatment efficiency and released more carbohydrates with lower energy input. After pretreatment with any of three different ILs, and after limited saccharification, the transgenic poplars, especially those with relatively higher amounts of incorporated monolignol ferulate conjugates, yielded up to 23% higher sugar levels compared to WT plants.</AbstractText><AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">Our findings clearly demonstrate that the introduction of ester linkages into the lignin polymer backbone decreases biomass recalcitrance in poplar has the potential to reduce the energy and/or amount of IL required for effective pretreatment, and could enable the development of an economically viable and sustainable biorefinery process.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Kim</LastName><ForeName>Kwang Ho</ForeName><Initials>KH</Initials><AffiliationInfo><Affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</Affiliation><Identifier Source="ISNI">0000 0004 0407 8980</Identifier><Identifier Source="GRID">grid.451372.6</Identifier></AffiliationInfo><AffiliationInfo><Affiliation>Biological and Engineering Sciences Center, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551 USA.</Affiliation><Identifier Source="ISNI">0000000403888279</Identifier><Identifier Source="GRID">grid.474523.3</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dutta</LastName><ForeName>Tanmoy</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</Affiliation><Identifier Source="ISNI">0000 0004 0407 8980</Identifier><Identifier Source="GRID">grid.451372.6</Identifier></AffiliationInfo><AffiliationInfo><Affiliation>Biological and Engineering Sciences Center, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551 USA.</Affiliation><Identifier Source="ISNI">0000000403888279</Identifier><Identifier Source="GRID">grid.474523.3</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ralph</LastName><ForeName>John</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Department of Biochemistry, University of Wisconsin, Madison, WI USA.</Affiliation><Identifier Source="ISNI">0000 0001 0701 8607</Identifier><Identifier Source="GRID">grid.28803.31</Identifier></AffiliationInfo><AffiliationInfo><Affiliation>Department of Energy Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, Madison, WI USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mansfield</LastName><ForeName>Shawn D</ForeName><Initials>SD</Initials><AffiliationInfo><Affiliation>Department of Energy Great Lakes Bioenergy Research Center, Wisconsin Energy Institute, Madison, WI USA.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Wood Science, University of British Columbia, Vancouver, Canada.</Affiliation><Identifier Source="ISNI">0000 0001 2288 9830</Identifier><Identifier Source="GRID">grid.17091.3e</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Simmons</LastName><ForeName>Blake A</ForeName><Initials>BA</Initials><AffiliationInfo><Affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</Affiliation><Identifier Source="ISNI">0000 0004 0407 8980</Identifier><Identifier Source="GRID">grid.451372.6</Identifier></AffiliationInfo><AffiliationInfo><Affiliation>Biological and Engineering Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA USA.</Affiliation><Identifier Source="ISNI">0000 0001 2231 4551</Identifier><Identifier Source="GRID">grid.184769.5</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Singh</LastName><ForeName>Seema</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Deconstruction Division, Joint BioEnergy Institute, Emeryville, CA USA.</Affiliation><Identifier Source="ISNI">0000 0004 0407 8980</Identifier><Identifier Source="GRID">grid.451372.6</Identifier></AffiliationInfo><AffiliationInfo><Affiliation>Biological and Engineering Sciences Center, Sandia National Laboratories, 7011 East Avenue, Livermore, CA 94551 USA.</Affiliation><Identifier Source="ISNI">0000000403888279</Identifier><Identifier Source="GRID">grid.474523.3</Identifier></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2017</Year><Month>04</Month><Day>20</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Biotechnol Biofuels</MedlineTA><NlmUniqueID>101316935</NlmUniqueID><ISSNLinking>1754-6834</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Biofuels</Keyword><Keyword MajorTopicYN="N">Biomass</Keyword><Keyword 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