Impact of abiotic stress on the regulation of cell wall biosynthesis in Populus trichocarpa.
Identifieur interne : 000328 ( Main/Exploration ); précédent : 000327; suivant : 000329Impact of abiotic stress on the regulation of cell wall biosynthesis in Populus trichocarpa.
Auteurs : Chiaki Hori [Japon] ; Xiang Yu [Japon] ; Jenny C. Mortimer [Japon, États-Unis] ; Ryosuke Sano [Japon] ; Tomoko Matsumoto [Japon] ; Jun Kikuchi [Japon] ; Taku Demura [Japon] ; Misato Ohtani [Japon]Source :
- Plant biotechnology (Tokyo, Japan) [ 1342-4580 ] ; 2020.
Abstract
Growth of biomass for lignocellulosic biofuels and biomaterials may take place on land unsuitable for foods, meaning the biomass plants are exposed to increased abiotic stresses. Thus, the understanding how this affects biomass composition and quality is important for downstream bioprocessing. Here, we analyzed the effect of drought and salt stress on cell wall biosynthesis in young shoots and xylem tissues of Populus trichocarpa using transcriptomic and biochemical methods. Following exposure to abiotic stress, stem tissues reduced vessel sizes, and young shoots increased xylem formation. Compositional analyses revealed a reduction in the total amount of cell wall polysaccharides. In contrast, the total lignin amount was unchanged, while the ratio of S/G lignin was significantly decreased in young shoots. Consistent with these observations, transcriptome analyses show that the expression of a subset of cell wall-related genes is tightly regulated by drought and salt stresses. In particular, the expression of a part of genes encoding key enzymes for S-lignin biosynthesis, caffeic acid O-methyltransferase and ferulate 5-hydroxylase, was decreased, suggesting the lower S/G ratio could be partly attributed to the down-regulation of these genes. Together, our data identifies a transcriptional abiotic stress response strategy in poplar, which results in adaptive changes to the plant cell wall.
DOI: 10.5511/plantbiotechnology.20.0326a
PubMed: 33088190
PubMed Central: PMC7557660
Affiliations:
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wicri:level="1"><nlm:affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045</wicri:regionArea><wicri:noRegion>Kanagawa 230-0045</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Research Faculty of Engineering, Hokkaido University, North 13, West 8, Sapporo, Hokkaido 060-8628, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Research Faculty of Engineering, Hokkaido University, North 13, West 8, Sapporo, Hokkaido 060-8628</wicri:regionArea><wicri:noRegion>Hokkaido 060-8628</wicri:noRegion></affiliation></author><author><name sortKey="Yu, Xiang" sort="Yu, Xiang" uniqKey="Yu X" first="Xiang" last="Yu">Xiang Yu</name><affiliation wicri:level="1"><nlm:affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045</wicri:regionArea><wicri:noRegion>Kanagawa 230-0045</wicri:noRegion></affiliation></author><author><name sortKey="Mortimer, Jenny C" sort="Mortimer, Jenny C" uniqKey="Mortimer J" first="Jenny C" last="Mortimer">Jenny C. Mortimer</name><affiliation wicri:level="1"><nlm:affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045</wicri:regionArea><wicri:noRegion>Kanagawa 230-0045</wicri:noRegion></affiliation><affiliation wicri:level="2"><nlm:affiliation>Joint BioEnergy Institute, Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Joint BioEnergy Institute, Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Sano, Ryosuke" sort="Sano, Ryosuke" uniqKey="Sano R" first="Ryosuke" last="Sano">Ryosuke Sano</name><affiliation wicri:level="1"><nlm:affiliation>Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192</wicri:regionArea><wicri:noRegion>Nara 630-0192</wicri:noRegion></affiliation></author><author><name sortKey="Matsumoto, Tomoko" sort="Matsumoto, Tomoko" uniqKey="Matsumoto T" first="Tomoko" last="Matsumoto">Tomoko Matsumoto</name><affiliation wicri:level="1"><nlm:affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>RIKEN Center for 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Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045</wicri:regionArea><wicri:noRegion>Kanagawa 230-0045</wicri:noRegion></affiliation></author><author><name sortKey="Demura, Taku" sort="Demura, Taku" uniqKey="Demura T" first="Taku" last="Demura">Taku Demura</name><affiliation wicri:level="1"><nlm:affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045</wicri:regionArea><wicri:noRegion>Kanagawa 230-0045</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192</wicri:regionArea><wicri:noRegion>Nara 630-0192</wicri:noRegion></affiliation></author><author><name sortKey="Ohtani, Misato" sort="Ohtani, Misato" uniqKey="Ohtani M" first="Misato" last="Ohtani">Misato Ohtani</name><affiliation wicri:level="1"><nlm:affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045</wicri:regionArea><wicri:noRegion>Kanagawa 230-0045</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192</wicri:regionArea><wicri:noRegion>Nara 630-0192</wicri:noRegion></affiliation><affiliation wicri:level="4"><nlm:affiliation>Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8562, Japan.</nlm:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8562</wicri:regionArea><orgName type="university">Université de Tokyo</orgName><placeName><settlement type="city">Tokyo</settlement><region type="province">Région de Kantō</region></placeName></affiliation></author></analytic><series><title level="j">Plant biotechnology (Tokyo, Japan)</title><idno type="ISSN">1342-4580</idno><imprint><date when="2020" type="published">2020</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Growth of biomass for lignocellulosic biofuels and biomaterials may take place on land unsuitable for foods, meaning the biomass plants are exposed to increased abiotic stresses. Thus, the understanding how this affects biomass composition and quality is important for downstream bioprocessing. Here, we analyzed the effect of drought and salt stress on cell wall biosynthesis in young shoots and xylem tissues of <i>Populus trichocarpa</i> using transcriptomic and biochemical methods. Following exposure to abiotic stress, stem tissues reduced vessel sizes, and young shoots increased xylem formation. Compositional analyses revealed a reduction in the total amount of cell wall polysaccharides. In contrast, the total lignin amount was unchanged, while the ratio of S/G lignin was significantly decreased in young shoots. Consistent with these observations, transcriptome analyses show that the expression of a subset of cell wall-related genes is tightly regulated by drought and salt stresses. In particular, the expression of a part of genes encoding key enzymes for S-lignin biosynthesis, caffeic acid <i>O</i>-methyltransferase and ferulate 5-hydroxylase, was decreased, suggesting the lower S/G ratio could be partly attributed to the down-regulation of these genes. Together, our data identifies a transcriptional abiotic stress response strategy in poplar, which results in adaptive changes to the plant cell wall.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">33088190</PMID><DateRevised><Year>2020</Year><Month>10</Month><Day>23</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1342-4580</ISSN><JournalIssue CitedMedium="Print"><Volume>37</Volume><Issue>3</Issue><PubDate><Year>2020</Year><Month>Sep</Month><Day>25</Day></PubDate></JournalIssue><Title>Plant biotechnology (Tokyo, Japan)</Title><ISOAbbreviation>Plant Biotechnol (Tokyo)</ISOAbbreviation></Journal><ArticleTitle>Impact of abiotic stress on the regulation of cell wall biosynthesis in <i>Populus trichocarpa</i>.</ArticleTitle><Pagination><MedlinePgn>273-283</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.5511/plantbiotechnology.20.0326a</ELocationID><Abstract><AbstractText>Growth of biomass for lignocellulosic biofuels and biomaterials may take place on land unsuitable for foods, meaning the biomass plants are exposed to increased abiotic stresses. Thus, the understanding how this affects biomass composition and quality is important for downstream bioprocessing. Here, we analyzed the effect of drought and salt stress on cell wall biosynthesis in young shoots and xylem tissues of <i>Populus trichocarpa</i> using transcriptomic and biochemical methods. Following exposure to abiotic stress, stem tissues reduced vessel sizes, and young shoots increased xylem formation. Compositional analyses revealed a reduction in the total amount of cell wall polysaccharides. In contrast, the total lignin amount was unchanged, while the ratio of S/G lignin was significantly decreased in young shoots. Consistent with these observations, transcriptome analyses show that the expression of a subset of cell wall-related genes is tightly regulated by drought and salt stresses. In particular, the expression of a part of genes encoding key enzymes for S-lignin biosynthesis, caffeic acid <i>O</i>-methyltransferase and ferulate 5-hydroxylase, was decreased, suggesting the lower S/G ratio could be partly attributed to the down-regulation of these genes. Together, our data identifies a transcriptional abiotic stress response strategy in poplar, which results in adaptive changes to the plant cell wall.</AbstractText><CopyrightInformation>© 2020 Japanese Society for Plant Biotechnology.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hori</LastName><ForeName>Chiaki</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Research Faculty of Engineering, Hokkaido University, North 13, West 8, Sapporo, Hokkaido 060-8628, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Yu</LastName><ForeName>Xiang</ForeName><Initials>X</Initials><AffiliationInfo><Affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mortimer</LastName><ForeName>Jenny C</ForeName><Initials>JC</Initials><AffiliationInfo><Affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Joint BioEnergy Institute, Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sano</LastName><ForeName>Ryosuke</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Matsumoto</LastName><ForeName>Tomoko</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kikuchi</LastName><ForeName>Jun</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Demura</LastName><ForeName>Taku</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ohtani</LastName><ForeName>Misato</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>RIKEN Center for Sustainable Resource Science, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8562, Japan.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Japan</Country><MedlineTA>Plant Biotechnol (Tokyo)</MedlineTA><NlmUniqueID>101233156</NlmUniqueID><ISSNLinking>1342-4580</ISSNLinking></MedlineJournalInfo><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">abiotic stress</Keyword><Keyword MajorTopicYN="N">monolignol biosynthesis</Keyword><Keyword MajorTopicYN="N">poplar</Keyword><Keyword MajorTopicYN="N">secondary cell wall</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2020</Year><Month>10</Month><Day>22</Day><Hour>5</Hour><Minute>36</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2020</Year><Month>10</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate 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