Enhancement of growth and cellulose accumulation by overexpression of xyloglucanase in poplar.
Identifieur interne : 004278 ( Main/Exploration ); précédent : 004277; suivant : 004279Enhancement of growth and cellulose accumulation by overexpression of xyloglucanase in poplar.
Auteurs : Yong Woo Park [Japon] ; Kei'Ichi Baba ; Yuzo Furuta ; Ikuho Iida ; Kazuhiko Sameshima ; Motoh Arai ; Takahisa HayashiSource :
- FEBS letters [ 0014-5793 ] ; 2004.
Descripteurs français
- KwdFr :
- Arbres (croissance et développement), Arbres (enzymologie), Cellulose (métabolisme), Escherichia coli (génétique), Glycosidases (génétique), Glycosidases (physiologie), Gravité spécifique (MeSH), Paroi cellulaire (composition chimique), Phénomènes biomécaniques (MeSH), Transformation génétique (MeSH), Végétaux génétiquement modifiés (MeSH).
- MESH :
- composition chimique : Paroi cellulaire.
- croissance et développement : Arbres.
- enzymologie : Arbres.
- génétique : Escherichia coli, Glycosidases.
- métabolisme : Cellulose.
- physiologie : Glycosidases.
- Gravité spécifique, Phénomènes biomécaniques, Transformation génétique, Végétaux génétiquement modifiés.
English descriptors
- KwdEn :
- Biomechanical Phenomena (MeSH), Cell Wall (chemistry), Cellulose (metabolism), Escherichia coli (genetics), Glycoside Hydrolases (genetics), Glycoside Hydrolases (physiology), Plants, Genetically Modified (MeSH), Specific Gravity (MeSH), Transformation, Genetic (MeSH), Trees (enzymology), Trees (growth & development).
- MESH :
- chemical , genetics : Glycoside Hydrolases.
- chemical , metabolism : Cellulose.
- chemistry : Cell Wall.
- enzymology : Trees.
- genetics : Escherichia coli.
- growth & development : Trees.
- chemical , physiology : Glycoside Hydrolases.
- Biomechanical Phenomena, Plants, Genetically Modified, Specific Gravity, Transformation, Genetic.
Abstract
Because the loosening of xyloglucan in the cell wall promotes plant growth (Takeda et al. (2002) Proc. Natl. Acad. Sci. USA 99, 9055-9060; Park et al. (2003) Plant J. 33, 1099-1106), we expressed Aspergillus xyloglucanase constitutively in Populus alba. The expression increased the length of stem even in the presence of sucrose. Increased stem growth was accompanied by a decrease in Young's elastic modulus in the growth zone but an increased elasticity in mature tissue. The increased internode length corresponded to an increase in cellulose content as well as specific gravity, showing that the removal of xyloglucan might cause an increase in cellulose density in the secondary xylem.
DOI: 10.1016/S0014-5793(04)00346-1
PubMed: 15094064
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<term>Escherichia coli (genetics)</term>
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<front><div type="abstract" xml:lang="en">Because the loosening of xyloglucan in the cell wall promotes plant growth (Takeda et al. (2002) Proc. Natl. Acad. Sci. USA 99, 9055-9060; Park et al. (2003) Plant J. 33, 1099-1106), we expressed Aspergillus xyloglucanase constitutively in Populus alba. The expression increased the length of stem even in the presence of sucrose. Increased stem growth was accompanied by a decrease in Young's elastic modulus in the growth zone but an increased elasticity in mature tissue. The increased internode length corresponded to an increase in cellulose content as well as specific gravity, showing that the removal of xyloglucan might cause an increase in cellulose density in the secondary xylem.</div>
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<Abstract><AbstractText>Because the loosening of xyloglucan in the cell wall promotes plant growth (Takeda et al. (2002) Proc. Natl. Acad. Sci. USA 99, 9055-9060; Park et al. (2003) Plant J. 33, 1099-1106), we expressed Aspergillus xyloglucanase constitutively in Populus alba. The expression increased the length of stem even in the presence of sucrose. Increased stem growth was accompanied by a decrease in Young's elastic modulus in the growth zone but an increased elasticity in mature tissue. The increased internode length corresponded to an increase in cellulose content as well as specific gravity, showing that the removal of xyloglucan might cause an increase in cellulose density in the secondary xylem.</AbstractText>
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