Biomass derived from transgenic tobacco expressing the Arabidopsis CESA3ixr1-2 gene exhibits improved saccharification.
Identifieur interne : 002344 ( Main/Exploration ); précédent : 002343; suivant : 002345Biomass derived from transgenic tobacco expressing the Arabidopsis CESA3ixr1-2 gene exhibits improved saccharification.
Auteurs : Dipak Kumar Sahoo [États-Unis] ; Indu B. Maiti [États-Unis]Source :
- Acta biologica Hungarica [ 0236-5383 ] ; 2014.
Descripteurs français
- KwdFr :
- Benzamides (pharmacologie), Biomasse (MeSH), Cellulose (métabolisme), Facteurs temps (MeSH), Fermentation (MeSH), Feuilles de plante (croissance et développement), Feuilles de plante (enzymologie), Feuilles de plante (génétique), Glucosyltransferases (génétique), Glucosyltransferases (métabolisme), Herbicides (pharmacologie), Hydrolyse (MeSH), Mutation ponctuelle (MeSH), Protéines d'Arabidopsis (génétique), Protéines d'Arabidopsis (métabolisme), Racines de plante (croissance et développement), Racines de plante (enzymologie), Racines de plante (génétique), Régulation de l'expression des gènes végétaux (MeSH), Tabac (croissance et développement), Tabac (effets des médicaments et des substances chimiques), Tabac (enzymologie), Tabac (génétique), Tiges de plante (croissance et développement), Tiges de plante (enzymologie), Tiges de plante (génétique), Végétaux génétiquement modifiés (croissance et développement), Végétaux génétiquement modifiés (effets des médicaments et des substances chimiques), Végétaux génétiquement modifiés (enzymologie), Végétaux génétiquement modifiés (génétique).
- MESH :
- croissance et développement : Feuilles de plante, Racines de plante, Tabac, Tiges de plante, Végétaux génétiquement modifiés.
- effets des médicaments et des substances chimiques : Tabac, Végétaux génétiquement modifiés.
- enzymologie : Feuilles de plante, Racines de plante, Tabac, Tiges de plante, Végétaux génétiquement modifiés.
- génétique : Feuilles de plante, Glucosyltransferases, Protéines d'Arabidopsis, Racines de plante, Tabac, Tiges de plante, Végétaux génétiquement modifiés.
- métabolisme : Cellulose, Glucosyltransferases, Protéines d'Arabidopsis.
- pharmacologie : Benzamides, Herbicides.
- Biomasse, Facteurs temps, Fermentation, Hydrolyse, Mutation ponctuelle, Régulation de l'expression des gènes végétaux.
English descriptors
- KwdEn :
- Arabidopsis Proteins (genetics), Arabidopsis Proteins (metabolism), Benzamides (pharmacology), Biomass (MeSH), Cellulose (metabolism), Fermentation (MeSH), Gene Expression Regulation, Plant (MeSH), Glucosyltransferases (genetics), Glucosyltransferases (metabolism), Herbicides (pharmacology), Hydrolysis (MeSH), Plant Leaves (enzymology), Plant Leaves (genetics), Plant Leaves (growth & development), Plant Roots (enzymology), Plant Roots (genetics), Plant Roots (growth & development), Plant Stems (enzymology), Plant Stems (genetics), Plant Stems (growth & development), Plants, Genetically Modified (drug effects), Plants, Genetically Modified (enzymology), Plants, Genetically Modified (genetics), Plants, Genetically Modified (growth & development), Point Mutation (MeSH), Time Factors (MeSH), Tobacco (drug effects), Tobacco (enzymology), Tobacco (genetics), Tobacco (growth & development).
- MESH :
- chemical , genetics : Arabidopsis Proteins, Glucosyltransferases.
- chemical , metabolism : Arabidopsis Proteins, Cellulose, Glucosyltransferases.
- chemical , pharmacology : Benzamides, Herbicides.
- drug effects : Plants, Genetically Modified, Tobacco.
- enzymology : Plant Leaves, Plant Roots, Plant Stems, Plants, Genetically Modified, Tobacco.
- genetics : Plant Leaves, Plant Roots, Plant Stems, Plants, Genetically Modified, Tobacco.
- growth & development : Plant Leaves, Plant Roots, Plant Stems, Plants, Genetically Modified, Tobacco.
- Biomass, Fermentation, Gene Expression Regulation, Plant, Hydrolysis, Point Mutation, Time Factors.
Abstract
Studies in Arabidopsis thaliana and Nicotiana tabacum L. variety Samsun NN demonstrated that expression of the CESA3 cellulose synthase gene that contains a point mutation, named ixr1-2, results in greater conversion of plant-derived cellulose to fermentable sugars. The present study was designed to examine the improved enzymatic saccharification efficiency of lignocellulosic biomass of tobacco plants expressing AtCESA3ixr1-2. Three-month-old AtCESA3ixr1-2 transgenic and wild-type tobacco plants (Nicotiana tabacum L. variety Samsun NN) were grown in the presence and absence of isoxaben. Biomass obtained from leaf, stem, and root tissues were analyzed for enzymatic saccharification rates. During enzymatic saccharification, 45% and 25% more sugar was released from transgenic leaf and stem samples, respectively, when compared to the wild-type samples. This gain in saccharification efficiency was achieved without chemical or heat pretreatment. Additionally, leaf and stem biomass from transgenic AtCESA3ixr1-2 requires a reduced amount of enzyme for saccharification compared to biomass from wild-type plants. From a practical standpoint, a similar strategy could be employed to introduce the mutated CESA into energy crops like poplar and switchgrass to improve the efficiency of biomass conversion.
DOI: 10.1556/ABiol.65.2014.2.7
PubMed: 24873912
Affiliations:
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Maiti</name><affiliation wicri:level="2"><nlm:affiliation>University of Kentucky KTRDC, College of Agriculture, Food and Environment Lexington KY 40546-0236 USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Kentucky</region></placeName><wicri:cityArea>University of Kentucky KTRDC, College of Agriculture</wicri:cityArea></affiliation></author></analytic><series><title level="j">Acta biologica Hungarica</title><idno type="ISSN">0236-5383</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Arabidopsis Proteins (genetics)</term><term>Arabidopsis Proteins (metabolism)</term><term>Benzamides (pharmacology)</term><term>Biomass (MeSH)</term><term>Cellulose (metabolism)</term><term>Fermentation (MeSH)</term><term>Gene Expression Regulation, Plant (MeSH)</term><term>Glucosyltransferases 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The present study was designed to examine the improved enzymatic saccharification efficiency of lignocellulosic biomass of tobacco plants expressing AtCESA3ixr1-2. Three-month-old AtCESA3ixr1-2 transgenic and wild-type tobacco plants (Nicotiana tabacum L. variety Samsun NN) were grown in the presence and absence of isoxaben. Biomass obtained from leaf, stem, and root tissues were analyzed for enzymatic saccharification rates. During enzymatic saccharification, 45% and 25% more sugar was released from transgenic leaf and stem samples, respectively, when compared to the wild-type samples. This gain in saccharification efficiency was achieved without chemical or heat pretreatment. Additionally, leaf and stem biomass from transgenic AtCESA3ixr1-2 requires a reduced amount of enzyme for saccharification compared to biomass from wild-type plants. From a practical standpoint, a similar strategy could be employed to introduce the mutated CESA into energy crops like poplar and switchgrass to improve the efficiency of biomass conversion. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24873912</PMID><DateCompleted><Year>2014</Year><Month>08</Month><Day>11</Day></DateCompleted><DateRevised><Year>2014</Year><Month>05</Month><Day>30</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0236-5383</ISSN><JournalIssue CitedMedium="Print"><Volume>65</Volume><Issue>2</Issue><PubDate><Year>2014</Year><Month>Jun</Month></PubDate></JournalIssue><Title>Acta biologica Hungarica</Title><ISOAbbreviation>Acta Biol Hung</ISOAbbreviation></Journal><ArticleTitle>Biomass derived from transgenic tobacco expressing the Arabidopsis CESA3ixr1-2 gene exhibits improved saccharification.</ArticleTitle><Pagination><MedlinePgn>189-204</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1556/ABiol.65.2014.2.7</ELocationID><Abstract><AbstractText>Studies in Arabidopsis thaliana and Nicotiana tabacum L. variety Samsun NN demonstrated that expression of the CESA3 cellulose synthase gene that contains a point mutation, named ixr1-2, results in greater conversion of plant-derived cellulose to fermentable sugars. The present study was designed to examine the improved enzymatic saccharification efficiency of lignocellulosic biomass of tobacco plants expressing AtCESA3ixr1-2. Three-month-old AtCESA3ixr1-2 transgenic and wild-type tobacco plants (Nicotiana tabacum L. variety Samsun NN) were grown in the presence and absence of isoxaben. Biomass obtained from leaf, stem, and root tissues were analyzed for enzymatic saccharification rates. During enzymatic saccharification, 45% and 25% more sugar was released from transgenic leaf and stem samples, respectively, when compared to the wild-type samples. This gain in saccharification efficiency was achieved without chemical or heat pretreatment. Additionally, leaf and stem biomass from transgenic AtCESA3ixr1-2 requires a reduced amount of enzyme for saccharification compared to biomass from wild-type plants. From a practical standpoint, a similar strategy could be employed to introduce the mutated CESA into energy crops like poplar and switchgrass to improve the efficiency of biomass conversion. </AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Sahoo</LastName><ForeName>Dipak Kumar</ForeName><Initials>DK</Initials><AffiliationInfo><Affiliation>University of Kentucky KTRDC, College of Agriculture, Food and Environment Lexington KY 40546-0236 USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Maiti</LastName><ForeName>Indu B</ForeName><Initials>IB</Initials><AffiliationInfo><Affiliation>University of Kentucky KTRDC, College of Agriculture, Food and Environment Lexington KY 40546-0236 USA.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Hungary</Country><MedlineTA>Acta Biol Hung</MedlineTA><NlmUniqueID>8404358</NlmUniqueID><ISSNLinking>0236-5383</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D029681">Arabidopsis Proteins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D001549">Benzamides</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D006540">Herbicides</NameOfSubstance></Chemical><Chemical><RegistryNumber>82558-50-7</RegistryNumber><NameOfSubstance UI="C057467">isoxaben</NameOfSubstance></Chemical><Chemical><RegistryNumber>9004-34-6</RegistryNumber><NameOfSubstance UI="D002482">Cellulose</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 2.4.1.-</RegistryNumber><NameOfSubstance UI="C516179">CesA3 protein, Arabidopsis</NameOfSubstance></Chemical><Chemical><RegistryNumber>EC 2.4.1.-</RegistryNumber><NameOfSubstance UI="D005964">Glucosyltransferases</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D029681" MajorTopicYN="N">Arabidopsis Proteins</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D001549" MajorTopicYN="N">Benzamides</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002482" MajorTopicYN="N">Cellulose</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005285" MajorTopicYN="Y">Fermentation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018506" MajorTopicYN="N">Gene Expression Regulation, Plant</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005964" MajorTopicYN="N">Glucosyltransferases</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000378" MajorTopicYN="Y">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006540" MajorTopicYN="N">Herbicides</DescriptorName><QualifierName UI="Q000494" MajorTopicYN="N">pharmacology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006868" MajorTopicYN="N">Hydrolysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018515" MajorTopicYN="N">Plant Leaves</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018547" MajorTopicYN="N">Plant Stems</DescriptorName><QualifierName UI="Q000201" MajorTopicYN="N">enzymology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D030821" MajorTopicYN="N">Plants, Genetically Modified</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000201" MajorTopicYN="Y">enzymology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017354" MajorTopicYN="N">Point Mutation</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014026" MajorTopicYN="N">Tobacco</DescriptorName><QualifierName UI="Q000187" MajorTopicYN="N">drug effects</QualifierName><QualifierName UI="Q000201" MajorTopicYN="Y">enzymology</QualifierName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">AtCESA3ixr1-2</Keyword><Keyword MajorTopicYN="N">Nicotiana tabacum</Keyword><Keyword MajorTopicYN="N">biofuel</Keyword><Keyword MajorTopicYN="N">biomass</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>5</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>5</Month><Day>31</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>8</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24873912</ArticleId><ArticleId IdType="pii">U83740M18086V857</ArticleId><ArticleId IdType="doi">10.1556/ABiol.65.2014.2.7</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Kentucky</li></region></list><tree><country name="États-Unis"><region name="Kentucky"><name sortKey="Sahoo, Dipak Kumar" sort="Sahoo, Dipak Kumar" uniqKey="Sahoo D" first="Dipak Kumar" last="Sahoo">Dipak Kumar Sahoo</name></region><name sortKey="Maiti, Indu B" sort="Maiti, Indu B" uniqKey="Maiti I" first="Indu B" last="Maiti">Indu B. 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