Characterization of three terpenoid glycosyltransferase genes in 'Valencia' sweet orange (Citrus sinensis L. Osbeck).
Identifieur interne : 001A98 ( Main/Exploration ); précédent : 001A97; suivant : 001A99Characterization of three terpenoid glycosyltransferase genes in 'Valencia' sweet orange (Citrus sinensis L. Osbeck).
Auteurs : Jing Fan [République populaire de Chine] ; Chunxian Chen ; Qibin Yu ; Zheng-Guo Li ; Frederick G. GmitterSource :
- Genome [ 1480-3321 ] ; 2010.
English descriptors
- KwdEn :
- Amino Acid Sequence, Citrus sinensis (enzymology), Citrus sinensis (genetics), Cloning, Molecular, Gene Dosage, Gene Expression Profiling, Gene Expression Regulation, Plant, Genes, Plant, Glycosyltransferases (genetics), Glycosyltransferases (isolation & purification), Glycosyltransferases (metabolism), Molecular Sequence Data, Phylogeny, Sequence Analysis, DNA, Sequence Homology, Amino Acid, Terpenes (metabolism).
- MESH :
- chemical , genetics : Glycosyltransferases.
- enzymology : Citrus sinensis.
- genetics : Citrus sinensis.
- chemical , isolation & purification : Glycosyltransferases.
- chemical , metabolism : Glycosyltransferases, Terpenes.
- Amino Acid Sequence, Cloning, Molecular, Gene Dosage, Gene Expression Profiling, Gene Expression Regulation, Plant, Genes, Plant, Molecular Sequence Data, Phylogeny, Sequence Analysis, DNA, Sequence Homology, Amino Acid.
Abstract
Three putative terpenoid UDP-glycosyltransferase (UGT) genes, designated CsUGT1, CsUGT2, and CsUGT3, were isolated and characterized in 'Valencia' sweet orange (Citrus sinensis L. Osbeck). CsUGT1 consisted of 1493 nucleotides with an open reading frame encoding 492 amino acids, CsUGT2 consisted of 1727 nucleotides encoding 504 amino acids, and CsUGT3 consisted of 1705 nucleotides encoding 468 amino acids. CsUGT3 had a 145 bp intron at 730-874, whereas CsUGT1 and CsUGT2 had none. The three deduced glycosyltransferase proteins had a highly conserved plant secondary product glycosyltransferase motif in the C terminus. Phylogenetic analysis showed that CsUGT1 and CsUGT3 were classified into group L of glycosyltransferase family 1, and CsUGT2 was classified into group D. Through Southern blotting analysis, CsUGT1 was found to have two copies in the sweet orange genome, whereas CsUGT2 and CsUGT3 had at least seven and nine copies, respectively. CsUGT1, CsUGT2, and CsUGT3 were constitutively expressed in leaf, flower, and fruit tissues. The results facilitate further investigation of the function of terpenoid glycosyltransferases in citrus and the biosynthesis of terpenoid glycosides in vitro.
DOI: 10.1139/g10-068
PubMed: 20962888
Affiliations:
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Le document en format XML
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<author><name sortKey="Fan, Jing" sort="Fan, Jing" uniqKey="Fan J" first="Jing" last="Fan">Jing Fan</name>
<affiliation wicri:level="1"><nlm:affiliation>Chongqing University, College of Bioengineering, Key Laboratory of Biorheological Science and Technology, Ministry of Education, Chongqing, China.</nlm:affiliation>
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<author><name sortKey="Yu, Qibin" sort="Yu, Qibin" uniqKey="Yu Q" first="Qibin" last="Yu">Qibin Yu</name>
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<author><name sortKey="Li, Zheng Guo" sort="Li, Zheng Guo" uniqKey="Li Z" first="Zheng-Guo" last="Li">Zheng-Guo Li</name>
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<author><name sortKey="Li, Zheng Guo" sort="Li, Zheng Guo" uniqKey="Li Z" first="Zheng-Guo" last="Li">Zheng-Guo Li</name>
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<term>Gene Dosage</term>
<term>Gene Expression Profiling</term>
<term>Gene Expression Regulation, Plant</term>
<term>Genes, Plant</term>
<term>Glycosyltransferases (genetics)</term>
<term>Glycosyltransferases (isolation & purification)</term>
<term>Glycosyltransferases (metabolism)</term>
<term>Molecular Sequence Data</term>
<term>Phylogeny</term>
<term>Sequence Analysis, DNA</term>
<term>Sequence Homology, Amino Acid</term>
<term>Terpenes (metabolism)</term>
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<keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Citrus sinensis</term>
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<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Glycosyltransferases</term>
<term>Terpenes</term>
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<keywords scheme="MESH" xml:lang="en"><term>Amino Acid Sequence</term>
<term>Cloning, Molecular</term>
<term>Gene Dosage</term>
<term>Gene Expression Profiling</term>
<term>Gene Expression Regulation, Plant</term>
<term>Genes, Plant</term>
<term>Molecular Sequence Data</term>
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<front><div type="abstract" xml:lang="en">Three putative terpenoid UDP-glycosyltransferase (UGT) genes, designated CsUGT1, CsUGT2, and CsUGT3, were isolated and characterized in 'Valencia' sweet orange (Citrus sinensis L. Osbeck). CsUGT1 consisted of 1493 nucleotides with an open reading frame encoding 492 amino acids, CsUGT2 consisted of 1727 nucleotides encoding 504 amino acids, and CsUGT3 consisted of 1705 nucleotides encoding 468 amino acids. CsUGT3 had a 145 bp intron at 730-874, whereas CsUGT1 and CsUGT2 had none. The three deduced glycosyltransferase proteins had a highly conserved plant secondary product glycosyltransferase motif in the C terminus. Phylogenetic analysis showed that CsUGT1 and CsUGT3 were classified into group L of glycosyltransferase family 1, and CsUGT2 was classified into group D. Through Southern blotting analysis, CsUGT1 was found to have two copies in the sweet orange genome, whereas CsUGT2 and CsUGT3 had at least seven and nine copies, respectively. CsUGT1, CsUGT2, and CsUGT3 were constitutively expressed in leaf, flower, and fruit tissues. The results facilitate further investigation of the function of terpenoid glycosyltransferases in citrus and the biosynthesis of terpenoid glycosides in vitro.</div>
</front>
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<tree><noCountry><name sortKey="Chen, Chunxian" sort="Chen, Chunxian" uniqKey="Chen C" first="Chunxian" last="Chen">Chunxian Chen</name>
<name sortKey="Gmitter, Frederick G" sort="Gmitter, Frederick G" uniqKey="Gmitter F" first="Frederick G" last="Gmitter">Frederick G. Gmitter</name>
<name sortKey="Li, Zheng Guo" sort="Li, Zheng Guo" uniqKey="Li Z" first="Zheng-Guo" last="Li">Zheng-Guo Li</name>
<name sortKey="Yu, Qibin" sort="Yu, Qibin" uniqKey="Yu Q" first="Qibin" last="Yu">Qibin Yu</name>
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<country name="République populaire de Chine"><noRegion><name sortKey="Fan, Jing" sort="Fan, Jing" uniqKey="Fan J" first="Jing" last="Fan">Jing Fan</name>
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