In muro deacetylation of xylan affects lignin properties and improves saccharification of aspen wood.
Identifieur interne : 001560 ( Main/Exploration ); précédent : 001559; suivant : 001561In muro deacetylation of xylan affects lignin properties and improves saccharification of aspen wood.
Auteurs : Prashant Mohan-Anupama Pawar [Suède, États-Unis] ; Marta Derba-Maceluch [Suède] ; Sun-Li Chong [Finlande, Suède] ; Madhavi Latha Gandla [Suède] ; Shamrat Shafiul Bashar [Suède] ; Tobias Sparrman [Suède] ; Patrik Ahvenainen [Finlande] ; Mattias Hedenström [Suède] ; Merve Özparpucu [Suisse] ; Markus Rüggeberg [Suisse] ; Ritva Serimaa [Finlande] ; Martin Lawoko [Suède] ; Maija Tenkanen [Finlande] ; Leif J. Jönsson [Suède] ; Ewa J. Mellerowicz [Suède]Source :
- Biotechnology for biofuels [ 1754-6834 ] ; 2017.
Abstract
BACKGROUND
Lignocellulose from fast growing hardwood species is a preferred source of polysaccharides for advanced biofuels and "green" chemicals. However, the extensive acetylation of hardwood xylan hinders lignocellulose saccharification by obstructing enzymatic xylan hydrolysis and causing inhibitory acetic acid concentrations during microbial sugar fermentation. To optimize lignocellulose for cost-effective saccharification and biofuel production, an acetyl xylan esterase
RESULTS
CONCLUSIONS
This work revealed several changes in plant cell walls caused by deacetylation of xylan. We propose that deacetylated xylan is partially hydrolyzed in the cell walls, liberating xylo-oligosaccharides and their associated lignin oligomers from the cell wall network. Deacetylating xylan thus not only increases its susceptibility to hydrolytic enzymes during saccharification but also changes the cell wall architecture, increasing the extractability of lignin and xylan and facilitating saccharification.
DOI: 10.1186/s13068-017-0782-4
PubMed: 28428822
PubMed Central: PMC5397736
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en"><i>In muro</i> deacetylation of xylan affects lignin properties and improves saccharification of aspen wood.</title><author><name sortKey="Pawar, Prashant Mohan Anupama" sort="Pawar, Prashant Mohan Anupama" uniqKey="Pawar P" first="Prashant Mohan-Anupama" last="Pawar">Prashant Mohan-Anupama Pawar</name><affiliation wicri:level="1"><nlm:affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå</wicri:regionArea><wicri:noRegion>S-901 83 Umeå</wicri:noRegion></affiliation><affiliation wicri:level="2"><nlm:affiliation>Department of Biochemistry, Purdue University, West Lafayette, IN 47907-2063 USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Indiana</region></placeName><wicri:cityArea>Department of Biochemistry, Purdue University, West Lafayette</wicri:cityArea></affiliation></author><author><name sortKey="Derba Maceluch, Marta" sort="Derba Maceluch, Marta" uniqKey="Derba Maceluch M" first="Marta" last="Derba-Maceluch">Marta Derba-Maceluch</name><affiliation wicri:level="1"><nlm:affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå</wicri:regionArea><wicri:noRegion>S-901 83 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Chong, Sun Li" sort="Chong, Sun Li" uniqKey="Chong S" first="Sun-Li" last="Chong">Sun-Li Chong</name><affiliation wicri:level="4"><nlm:affiliation>Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 27, 00014 Helsinki, Finland.</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 27, 00014 Helsinki</wicri:regionArea><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation><affiliation wicri:level="1"><nlm:affiliation>Department of Biology and Biological Engineering, Division of Industrial Biotechnology, Chalmers University of Technology, Kemivägen 10, SE-412 96 Göteborg, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Biology and Biological Engineering, Division of Industrial Biotechnology, Chalmers University of Technology, Kemivägen 10, SE-412 96 Göteborg</wicri:regionArea><wicri:noRegion>SE-412 96 Göteborg</wicri:noRegion></affiliation></author><author><name sortKey="Gandla, Madhavi Latha" sort="Gandla, Madhavi Latha" uniqKey="Gandla M" first="Madhavi Latha" last="Gandla">Madhavi Latha Gandla</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, S-901 87 Umeå</wicri:regionArea><wicri:noRegion>S-901 87 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Bashar, Shamrat Shafiul" sort="Bashar, Shamrat Shafiul" uniqKey="Bashar S" first="Shamrat Shafiul" last="Bashar">Shamrat Shafiul Bashar</name><affiliation wicri:level="1"><nlm:affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå</wicri:regionArea><wicri:noRegion>S-901 83 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Sparrman, Tobias" sort="Sparrman, Tobias" uniqKey="Sparrman T" first="Tobias" last="Sparrman">Tobias Sparrman</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, S-901 87 Umeå</wicri:regionArea><wicri:noRegion>S-901 87 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Ahvenainen, Patrik" sort="Ahvenainen, Patrik" uniqKey="Ahvenainen P" first="Patrik" last="Ahvenainen">Patrik Ahvenainen</name><affiliation wicri:level="4"><nlm:affiliation>Department of Physics, University of Helsinki, P O Box. 64, 00014 Helsinki, Finland.</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>Department of Physics, University of Helsinki, P O Box. 64, 00014 Helsinki</wicri:regionArea><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation></author><author><name sortKey="Hedenstrom, Mattias" sort="Hedenstrom, Mattias" uniqKey="Hedenstrom M" first="Mattias" last="Hedenström">Mattias Hedenström</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, S-901 87 Umeå</wicri:regionArea><wicri:noRegion>S-901 87 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Ozparpucu, Merve" sort="Ozparpucu, Merve" uniqKey="Ozparpucu M" first="Merve" last="Özparpucu">Merve Özparpucu</name><affiliation wicri:level="1"><nlm:affiliation>Institute for Building Materials, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zurich, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Institute for Building Materials, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zurich</wicri:regionArea><wicri:noRegion>8093 Zurich</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Laboratory of Applied Wood Materials, Empa, Dübendorf, 8600 Dübendorf, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Laboratory of Applied Wood Materials, Empa, Dübendorf, 8600 Dübendorf</wicri:regionArea><wicri:noRegion>8600 Dübendorf</wicri:noRegion></affiliation></author><author><name sortKey="Ruggeberg, Markus" sort="Ruggeberg, Markus" uniqKey="Ruggeberg M" first="Markus" last="Rüggeberg">Markus Rüggeberg</name><affiliation wicri:level="1"><nlm:affiliation>Institute for Building Materials, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zurich, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Institute for Building Materials, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zurich</wicri:regionArea><wicri:noRegion>8093 Zurich</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Laboratory of Applied Wood Materials, Empa, Dübendorf, 8600 Dübendorf, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Laboratory of Applied Wood Materials, Empa, Dübendorf, 8600 Dübendorf</wicri:regionArea><wicri:noRegion>8600 Dübendorf</wicri:noRegion></affiliation></author><author><name sortKey="Serimaa, Ritva" sort="Serimaa, Ritva" uniqKey="Serimaa R" first="Ritva" last="Serimaa">Ritva Serimaa</name><affiliation wicri:level="4"><nlm:affiliation>Department of Physics, University of Helsinki, P O Box. 64, 00014 Helsinki, Finland.</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>Department of Physics, University of Helsinki, P O Box. 64, 00014 Helsinki</wicri:regionArea><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation></author><author><name sortKey="Lawoko, Martin" sort="Lawoko, Martin" uniqKey="Lawoko M" first="Martin" last="Lawoko">Martin Lawoko</name><affiliation wicri:level="1"><nlm:affiliation>Department of Fiber and Polymer Technology, Wallenberg Wood Science Center, WWSC, Royal Institute of Technology, KTH, SE-100 44 Stockholm, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Fiber and Polymer Technology, Wallenberg Wood Science Center, WWSC, Royal Institute of Technology, KTH, SE-100 44 Stockholm</wicri:regionArea><wicri:noRegion>SE-100 44 Stockholm</wicri:noRegion></affiliation></author><author><name sortKey="Tenkanen, Maija" sort="Tenkanen, Maija" uniqKey="Tenkanen M" first="Maija" last="Tenkanen">Maija Tenkanen</name><affiliation wicri:level="4"><nlm:affiliation>Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 27, 00014 Helsinki, Finland.</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 27, 00014 Helsinki</wicri:regionArea><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation></author><author><name sortKey="Jonsson, Leif J" sort="Jonsson, Leif J" uniqKey="Jonsson L" first="Leif J" last="Jönsson">Leif J. Jönsson</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, S-901 87 Umeå</wicri:regionArea><wicri:noRegion>S-901 87 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Mellerowicz, Ewa J" sort="Mellerowicz, Ewa J" uniqKey="Mellerowicz E" first="Ewa J" last="Mellerowicz">Ewa J. Mellerowicz</name><affiliation wicri:level="1"><nlm:affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå</wicri:regionArea><wicri:noRegion>S-901 83 Umeå</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2017">2017</date><idno type="RBID">pubmed:28428822</idno><idno type="pmid">28428822</idno><idno type="doi">10.1186/s13068-017-0782-4</idno><idno type="pmc">PMC5397736</idno><idno type="wicri:Area/Main/Corpus">001354</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001354</idno><idno type="wicri:Area/Main/Curation">001354</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">001354</idno><idno type="wicri:Area/Main/Exploration">001354</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en"><i>In muro</i> deacetylation of xylan affects lignin properties and improves saccharification of aspen wood.</title><author><name sortKey="Pawar, Prashant Mohan Anupama" sort="Pawar, Prashant Mohan Anupama" uniqKey="Pawar P" first="Prashant Mohan-Anupama" last="Pawar">Prashant Mohan-Anupama Pawar</name><affiliation wicri:level="1"><nlm:affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå</wicri:regionArea><wicri:noRegion>S-901 83 Umeå</wicri:noRegion></affiliation><affiliation wicri:level="2"><nlm:affiliation>Department of Biochemistry, Purdue University, West Lafayette, IN 47907-2063 USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Indiana</region></placeName><wicri:cityArea>Department of Biochemistry, Purdue University, West Lafayette</wicri:cityArea></affiliation></author><author><name sortKey="Derba Maceluch, Marta" sort="Derba Maceluch, Marta" uniqKey="Derba Maceluch M" first="Marta" last="Derba-Maceluch">Marta Derba-Maceluch</name><affiliation wicri:level="1"><nlm:affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå</wicri:regionArea><wicri:noRegion>S-901 83 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Chong, Sun Li" sort="Chong, Sun Li" uniqKey="Chong S" first="Sun-Li" last="Chong">Sun-Li Chong</name><affiliation wicri:level="4"><nlm:affiliation>Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 27, 00014 Helsinki, Finland.</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 27, 00014 Helsinki</wicri:regionArea><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation><affiliation wicri:level="1"><nlm:affiliation>Department of Biology and Biological Engineering, Division of Industrial Biotechnology, Chalmers University of Technology, Kemivägen 10, SE-412 96 Göteborg, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Biology and Biological Engineering, Division of Industrial Biotechnology, Chalmers University of Technology, Kemivägen 10, SE-412 96 Göteborg</wicri:regionArea><wicri:noRegion>SE-412 96 Göteborg</wicri:noRegion></affiliation></author><author><name sortKey="Gandla, Madhavi Latha" sort="Gandla, Madhavi Latha" uniqKey="Gandla M" first="Madhavi Latha" last="Gandla">Madhavi Latha Gandla</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, S-901 87 Umeå</wicri:regionArea><wicri:noRegion>S-901 87 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Bashar, Shamrat Shafiul" sort="Bashar, Shamrat Shafiul" uniqKey="Bashar S" first="Shamrat Shafiul" last="Bashar">Shamrat Shafiul Bashar</name><affiliation wicri:level="1"><nlm:affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå</wicri:regionArea><wicri:noRegion>S-901 83 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Sparrman, Tobias" sort="Sparrman, Tobias" uniqKey="Sparrman T" first="Tobias" last="Sparrman">Tobias Sparrman</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, S-901 87 Umeå</wicri:regionArea><wicri:noRegion>S-901 87 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Ahvenainen, Patrik" sort="Ahvenainen, Patrik" uniqKey="Ahvenainen P" first="Patrik" last="Ahvenainen">Patrik Ahvenainen</name><affiliation wicri:level="4"><nlm:affiliation>Department of Physics, University of Helsinki, P O Box. 64, 00014 Helsinki, Finland.</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>Department of Physics, University of Helsinki, P O Box. 64, 00014 Helsinki</wicri:regionArea><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation></author><author><name sortKey="Hedenstrom, Mattias" sort="Hedenstrom, Mattias" uniqKey="Hedenstrom M" first="Mattias" last="Hedenström">Mattias Hedenström</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, S-901 87 Umeå</wicri:regionArea><wicri:noRegion>S-901 87 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Ozparpucu, Merve" sort="Ozparpucu, Merve" uniqKey="Ozparpucu M" first="Merve" last="Özparpucu">Merve Özparpucu</name><affiliation wicri:level="1"><nlm:affiliation>Institute for Building Materials, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zurich, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Institute for Building Materials, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zurich</wicri:regionArea><wicri:noRegion>8093 Zurich</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Laboratory of Applied Wood Materials, Empa, Dübendorf, 8600 Dübendorf, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Laboratory of Applied Wood Materials, Empa, Dübendorf, 8600 Dübendorf</wicri:regionArea><wicri:noRegion>8600 Dübendorf</wicri:noRegion></affiliation></author><author><name sortKey="Ruggeberg, Markus" sort="Ruggeberg, Markus" uniqKey="Ruggeberg M" first="Markus" last="Rüggeberg">Markus Rüggeberg</name><affiliation wicri:level="1"><nlm:affiliation>Institute for Building Materials, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zurich, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Institute for Building Materials, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zurich</wicri:regionArea><wicri:noRegion>8093 Zurich</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Laboratory of Applied Wood Materials, Empa, Dübendorf, 8600 Dübendorf, Switzerland.</nlm:affiliation><country xml:lang="fr">Suisse</country><wicri:regionArea>Laboratory of Applied Wood Materials, Empa, Dübendorf, 8600 Dübendorf</wicri:regionArea><wicri:noRegion>8600 Dübendorf</wicri:noRegion></affiliation></author><author><name sortKey="Serimaa, Ritva" sort="Serimaa, Ritva" uniqKey="Serimaa R" first="Ritva" last="Serimaa">Ritva Serimaa</name><affiliation wicri:level="4"><nlm:affiliation>Department of Physics, University of Helsinki, P O Box. 64, 00014 Helsinki, Finland.</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>Department of Physics, University of Helsinki, P O Box. 64, 00014 Helsinki</wicri:regionArea><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation></author><author><name sortKey="Lawoko, Martin" sort="Lawoko, Martin" uniqKey="Lawoko M" first="Martin" last="Lawoko">Martin Lawoko</name><affiliation wicri:level="1"><nlm:affiliation>Department of Fiber and Polymer Technology, Wallenberg Wood Science Center, WWSC, Royal Institute of Technology, KTH, SE-100 44 Stockholm, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Fiber and Polymer Technology, Wallenberg Wood Science Center, WWSC, Royal Institute of Technology, KTH, SE-100 44 Stockholm</wicri:regionArea><wicri:noRegion>SE-100 44 Stockholm</wicri:noRegion></affiliation></author><author><name sortKey="Tenkanen, Maija" sort="Tenkanen, Maija" uniqKey="Tenkanen M" first="Maija" last="Tenkanen">Maija Tenkanen</name><affiliation wicri:level="4"><nlm:affiliation>Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 27, 00014 Helsinki, Finland.</nlm:affiliation><country xml:lang="fr">Finlande</country><wicri:regionArea>Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 27, 00014 Helsinki</wicri:regionArea><orgName type="university">Université d'Helsinki</orgName><placeName><settlement type="city">Helsinki</settlement><region type="région" nuts="2">Uusimaa</region></placeName></affiliation></author><author><name sortKey="Jonsson, Leif J" sort="Jonsson, Leif J" uniqKey="Jonsson L" first="Leif J" last="Jönsson">Leif J. Jönsson</name><affiliation wicri:level="1"><nlm:affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Chemistry, Umeå University, S-901 87 Umeå</wicri:regionArea><wicri:noRegion>S-901 87 Umeå</wicri:noRegion></affiliation></author><author><name sortKey="Mellerowicz, Ewa J" sort="Mellerowicz, Ewa J" uniqKey="Mellerowicz E" first="Ewa J" last="Mellerowicz">Ewa J. Mellerowicz</name><affiliation wicri:level="1"><nlm:affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå</wicri:regionArea><wicri:noRegion>S-901 83 Umeå</wicri:noRegion></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>Lignocellulose from fast growing hardwood species is a preferred source of polysaccharides for advanced biofuels and "green" chemicals. However, the extensive acetylation of hardwood xylan hinders lignocellulose saccharification by obstructing enzymatic xylan hydrolysis and causing inhibitory acetic acid concentrations during microbial sugar fermentation. To optimize lignocellulose for cost-effective saccharification and biofuel production, an acetyl xylan esterase </p></div><div type="abstract" xml:lang="en"><p><b>RESULTS</b></p><p></p></div><div type="abstract" xml:lang="en"><p><b>CONCLUSIONS</b></p><p>This work revealed several changes in plant cell walls caused by deacetylation of xylan. We propose that deacetylated xylan is partially hydrolyzed in the cell walls, liberating xylo-oligosaccharides and their associated lignin oligomers from the cell wall network. Deacetylating xylan thus not only increases its susceptibility to hydrolytic enzymes during saccharification but also changes the cell wall architecture, increasing the extractability of lignin and xylan and facilitating saccharification.</p></div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">28428822</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><i>In muro</i> deacetylation of xylan affects lignin properties and improves saccharification of aspen wood.</ArticleTitle><Pagination><MedlinePgn>98</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1186/s13068-017-0782-4</ELocationID><Abstract><AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">Lignocellulose from fast growing hardwood species is a preferred source of polysaccharides for advanced biofuels and "green" chemicals. However, the extensive acetylation of hardwood xylan hinders lignocellulose saccharification by obstructing enzymatic xylan hydrolysis and causing inhibitory acetic acid concentrations during microbial sugar fermentation. To optimize lignocellulose for cost-effective saccharification and biofuel production, an acetyl xylan esterase <i>An</i>AXE1 from <i>Aspergillus niger</i> was introduced into aspen and targeted to cell walls.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS"><i>An</i>AXE1-expressing plants exhibited reduced xylan acetylation and grew normally. Without pretreatment, their lignocellulose yielded over 25% more glucose per unit mass of wood (dry weight) than wild-type plants. Glucose yields were less improved (+7%) after acid pretreatment, which hydrolyses xylan. The results indicate that <i>An</i>AXE1 expression also reduced the molecular weight of xylan, and xylan-lignin complexes and/or lignin co-extracted with xylan, increased cellulose crystallinity, altered the lignin composition, reducing its syringyl to guaiacyl ratio, and increased lignin solubility in dioxane and hot water. Lignin-associated carbohydrates became enriched in xylose residues, indicating a higher content of xylo-oligosaccharides.</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">This work revealed several changes in plant cell walls caused by deacetylation of xylan. We propose that deacetylated xylan is partially hydrolyzed in the cell walls, liberating xylo-oligosaccharides and their associated lignin oligomers from the cell wall network. Deacetylating xylan thus not only increases its susceptibility to hydrolytic enzymes during saccharification but also changes the cell wall architecture, increasing the extractability of lignin and xylan and facilitating saccharification.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Pawar</LastName><ForeName>Prashant Mohan-Anupama</ForeName><Initials>PM</Initials><AffiliationInfo><Affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</Affiliation><Identifier Source="ISNI">0000 0000 8578 2742</Identifier><Identifier Source="GRID">grid.6341.0</Identifier></AffiliationInfo><AffiliationInfo><Affiliation>Department of Biochemistry, Purdue University, West Lafayette, IN 47907-2063 USA.</Affiliation><Identifier Source="ISNI">0000 0004 1937 2197</Identifier><Identifier Source="GRID">grid.169077.e</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Derba-Maceluch</LastName><ForeName>Marta</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</Affiliation><Identifier Source="ISNI">0000 0000 8578 2742</Identifier><Identifier Source="GRID">grid.6341.0</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chong</LastName><ForeName>Sun-Li</ForeName><Initials>SL</Initials><AffiliationInfo><Affiliation>Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 27, 00014 Helsinki, Finland.</Affiliation><Identifier Source="ISNI">0000 0004 0410 2071</Identifier><Identifier Source="GRID">grid.7737.4</Identifier></AffiliationInfo><AffiliationInfo><Affiliation>Department of Biology and Biological Engineering, Division of Industrial Biotechnology, Chalmers University of Technology, Kemivägen 10, SE-412 96 Göteborg, Sweden.</Affiliation><Identifier Source="ISNI">0000 0001 0775 6028</Identifier><Identifier Source="GRID">grid.5371.0</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gandla</LastName><ForeName>Madhavi Latha</ForeName><Initials>ML</Initials><AffiliationInfo><Affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</Affiliation><Identifier Source="ISNI">0000 0001 1034 3451</Identifier><Identifier Source="GRID">grid.12650.30</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bashar</LastName><ForeName>Shamrat Shafiul</ForeName><Initials>SS</Initials><AffiliationInfo><Affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</Affiliation><Identifier Source="ISNI">0000 0000 8578 2742</Identifier><Identifier Source="GRID">grid.6341.0</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sparrman</LastName><ForeName>Tobias</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</Affiliation><Identifier Source="ISNI">0000 0001 1034 3451</Identifier><Identifier Source="GRID">grid.12650.30</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ahvenainen</LastName><ForeName>Patrik</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Department of Physics, University of Helsinki, P O Box. 64, 00014 Helsinki, Finland.</Affiliation><Identifier Source="ISNI">0000 0004 0410 2071</Identifier><Identifier Source="GRID">grid.7737.4</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hedenström</LastName><ForeName>Mattias</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</Affiliation><Identifier Source="ISNI">0000 0001 1034 3451</Identifier><Identifier Source="GRID">grid.12650.30</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Özparpucu</LastName><ForeName>Merve</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Institute for Building Materials, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zurich, Switzerland.</Affiliation><Identifier Source="ISNI">0000 0001 2156 2780</Identifier><Identifier Source="GRID">grid.5801.c</Identifier></AffiliationInfo><AffiliationInfo><Affiliation>Laboratory of Applied Wood Materials, Empa, Dübendorf, 8600 Dübendorf, Switzerland.</Affiliation><Identifier Source="ISNI">0000 0001 2331 3059</Identifier><Identifier Source="GRID">grid.7354.5</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rüggeberg</LastName><ForeName>Markus</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Institute for Building Materials, Swiss Federal Institute of Technology (ETH Zürich), 8093 Zurich, Switzerland.</Affiliation><Identifier Source="ISNI">0000 0001 2156 2780</Identifier><Identifier Source="GRID">grid.5801.c</Identifier></AffiliationInfo><AffiliationInfo><Affiliation>Laboratory of Applied Wood Materials, Empa, Dübendorf, 8600 Dübendorf, Switzerland.</Affiliation><Identifier Source="ISNI">0000 0001 2331 3059</Identifier><Identifier Source="GRID">grid.7354.5</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Serimaa</LastName><ForeName>Ritva</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Department of Physics, University of Helsinki, P O Box. 64, 00014 Helsinki, Finland.</Affiliation><Identifier Source="ISNI">0000 0004 0410 2071</Identifier><Identifier Source="GRID">grid.7737.4</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lawoko</LastName><ForeName>Martin</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Fiber and Polymer Technology, Wallenberg Wood Science Center, WWSC, Royal Institute of Technology, KTH, SE-100 44 Stockholm, Sweden.</Affiliation><Identifier Source="ISNI">0000000121581746</Identifier><Identifier Source="GRID">grid.5037.1</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Tenkanen</LastName><ForeName>Maija</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Department of Food and Environmental Sciences, University of Helsinki, P.O. Box 27, 00014 Helsinki, Finland.</Affiliation><Identifier Source="ISNI">0000 0004 0410 2071</Identifier><Identifier Source="GRID">grid.7737.4</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Jönsson</LastName><ForeName>Leif J</ForeName><Initials>LJ</Initials><AffiliationInfo><Affiliation>Department of Chemistry, Umeå University, S-901 87 Umeå, Sweden.</Affiliation><Identifier Source="ISNI">0000 0001 1034 3451</Identifier><Identifier Source="GRID">grid.12650.30</Identifier></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mellerowicz</LastName><ForeName>Ewa J</ForeName><Initials>EJ</Initials><Identifier Source="ORCID">0000-0001-6817-1031</Identifier><AffiliationInfo><Affiliation>Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, S-901 83 Umeå, Sweden.</Affiliation><Identifier Source="ISNI">0000 0000 8578 2742</Identifier><Identifier Source="GRID">grid.6341.0</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">Acetylation</Keyword><Keyword MajorTopicYN="N">Populus</Keyword><Keyword MajorTopicYN="N">Saccharification</Keyword><Keyword MajorTopicYN="N">Wood</Keyword><Keyword MajorTopicYN="N">Xylan</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2017</Year><Month>01</Month><Day>18</Day></PubMedPubDate><PubMedPubDate 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IdType="pubmed">21879769</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>Finlande</li><li>Suisse</li><li>Suède</li><li>États-Unis</li></country><region><li>Indiana</li><li>Uusimaa</li></region><settlement><li>Helsinki</li></settlement><orgName><li>Université d'Helsinki</li></orgName></list><tree><country name="Suède"><noRegion><name sortKey="Pawar, Prashant Mohan Anupama" sort="Pawar, Prashant Mohan Anupama" uniqKey="Pawar P" first="Prashant Mohan-Anupama" last="Pawar">Prashant Mohan-Anupama Pawar</name></noRegion><name sortKey="Bashar, Shamrat Shafiul" sort="Bashar, Shamrat Shafiul" uniqKey="Bashar S" first="Shamrat Shafiul" last="Bashar">Shamrat Shafiul Bashar</name><name sortKey="Chong, Sun Li" sort="Chong, Sun Li" uniqKey="Chong S" first="Sun-Li" last="Chong">Sun-Li Chong</name><name sortKey="Derba Maceluch, Marta" sort="Derba Maceluch, Marta" uniqKey="Derba Maceluch M" first="Marta" last="Derba-Maceluch">Marta Derba-Maceluch</name><name sortKey="Gandla, Madhavi Latha" sort="Gandla, Madhavi Latha" uniqKey="Gandla M" first="Madhavi Latha" last="Gandla">Madhavi Latha Gandla</name><name sortKey="Hedenstrom, Mattias" sort="Hedenstrom, Mattias" uniqKey="Hedenstrom M" first="Mattias" last="Hedenström">Mattias Hedenström</name><name sortKey="Jonsson, Leif J" sort="Jonsson, Leif J" uniqKey="Jonsson L" first="Leif J" last="Jönsson">Leif J. Jönsson</name><name sortKey="Lawoko, Martin" sort="Lawoko, Martin" uniqKey="Lawoko M" first="Martin" last="Lawoko">Martin Lawoko</name><name sortKey="Mellerowicz, Ewa J" sort="Mellerowicz, Ewa J" uniqKey="Mellerowicz E" first="Ewa J" last="Mellerowicz">Ewa J. Mellerowicz</name><name sortKey="Sparrman, Tobias" sort="Sparrman, Tobias" uniqKey="Sparrman T" first="Tobias" last="Sparrman">Tobias Sparrman</name></country><country name="États-Unis"><region name="Indiana"><name sortKey="Pawar, Prashant Mohan Anupama" sort="Pawar, Prashant Mohan Anupama" uniqKey="Pawar P" first="Prashant Mohan-Anupama" last="Pawar">Prashant Mohan-Anupama Pawar</name></region></country><country name="Finlande"><region name="Uusimaa"><name sortKey="Chong, Sun Li" sort="Chong, Sun Li" uniqKey="Chong S" first="Sun-Li" last="Chong">Sun-Li Chong</name></region><name sortKey="Ahvenainen, Patrik" sort="Ahvenainen, Patrik" uniqKey="Ahvenainen P" first="Patrik" last="Ahvenainen">Patrik Ahvenainen</name><name sortKey="Serimaa, Ritva" sort="Serimaa, Ritva" uniqKey="Serimaa R" first="Ritva" last="Serimaa">Ritva Serimaa</name><name sortKey="Tenkanen, Maija" sort="Tenkanen, Maija" uniqKey="Tenkanen M" first="Maija" last="Tenkanen">Maija Tenkanen</name></country><country name="Suisse"><noRegion><name sortKey="Ozparpucu, Merve" sort="Ozparpucu, Merve" uniqKey="Ozparpucu M" first="Merve" last="Özparpucu">Merve Özparpucu</name></noRegion><name sortKey="Ozparpucu, Merve" sort="Ozparpucu, Merve" uniqKey="Ozparpucu M" first="Merve" last="Özparpucu">Merve Özparpucu</name><name sortKey="Ruggeberg, Markus" sort="Ruggeberg, Markus" uniqKey="Ruggeberg M" first="Markus" last="Rüggeberg">Markus Rüggeberg</name><name sortKey="Ruggeberg, Markus" sort="Ruggeberg, Markus" uniqKey="Ruggeberg M" first="Markus" last="Rüggeberg">Markus Rüggeberg</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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