The genome sequence of black cottonwood (Populus trichocarpa) reveals 18 conserved cellulose synthase (CesA) genes.
Identifieur interne : 003F40 ( Main/Exploration ); précédent : 003F39; suivant : 003F41The genome sequence of black cottonwood (Populus trichocarpa) reveals 18 conserved cellulose synthase (CesA) genes.
Auteurs : Soraya Djerbi [Suède] ; Mats Lindskog ; Lars Arvestad ; Fredrik Sterky ; Tuula T. TeeriSource :
- Planta [ 0032-0935 ] ; 2005.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , genetics : Glucosyltransferases.
- chemical : DNA, Complementary.
- genetics : Populus.
- Chromosome Mapping, Chromosomes, Plant, Conserved Sequence, Expressed Sequence Tags, Genome, Plant, Phylogeny.
Abstract
The genome sequence of Populus trichocarpa was screened for genes encoding cellulose synthases by using full-length cDNA sequences and ESTs previously identified in the tissue specific cDNA libraries of other poplars. The data obtained revealed 18 distinct CesA gene sequences in P. trichocarpa. The identified genes were grouped in seven gene pairs, one group of three sequences and one single gene. Evidence from gene expression studies of hybrid aspen suggests that both copies of at least one pair, CesA3-1 and CesA3-2, are actively transcribed. No sequences corresponding to the gene pair, CesA6-1 and CesA6-2, were found in Arabidopsis or hybrid aspen, while one homologous gene has been identified in the rice genome and an active transcript in Populus tremuloides. A phylogenetic analysis suggests that the CesA genes previously associated with secondary cell wall synthesis originate from a single ancestor gene and group in three distinct subgroups. The newly identified copies of CesA genes in P. trichocarpa give rise to a number of new questions concerning the mechanism of cellulose synthesis in trees.
DOI: 10.1007/s00425-005-1498-4
PubMed: 15940463
Affiliations:
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Teeri</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="RBID">pubmed:15940463</idno><idno type="pmid">15940463</idno><idno type="doi">10.1007/s00425-005-1498-4</idno><idno type="wicri:Area/Main/Corpus">004045</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">004045</idno><idno type="wicri:Area/Main/Curation">004045</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">004045</idno><idno type="wicri:Area/Main/Exploration">004045</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">The genome sequence of black cottonwood (Populus trichocarpa) reveals 18 conserved cellulose synthase (CesA) genes.</title><author><name sortKey="Djerbi, Soraya" sort="Djerbi, Soraya" uniqKey="Djerbi S" first="Soraya" last="Djerbi">Soraya Djerbi</name><affiliation wicri:level="3"><nlm:affiliation>Royal Institute of Technology, Department of Biotechnology, AlbaNova University Center, 10691, Stockholm, Sweden.</nlm:affiliation><country xml:lang="fr">Suède</country><wicri:regionArea>Royal Institute of Technology, Department of Biotechnology, AlbaNova University Center, 10691, Stockholm</wicri:regionArea><placeName><settlement type="city">Stockholm</settlement><region nuts="2">Svealand</region></placeName></affiliation></author><author><name sortKey="Lindskog, Mats" sort="Lindskog, Mats" uniqKey="Lindskog M" first="Mats" last="Lindskog">Mats Lindskog</name></author><author><name sortKey="Arvestad, Lars" sort="Arvestad, Lars" uniqKey="Arvestad L" first="Lars" last="Arvestad">Lars Arvestad</name></author><author><name sortKey="Sterky, Fredrik" sort="Sterky, Fredrik" uniqKey="Sterky F" first="Fredrik" last="Sterky">Fredrik Sterky</name></author><author><name sortKey="Teeri, Tuula T" sort="Teeri, Tuula T" uniqKey="Teeri T" first="Tuula T" last="Teeri">Tuula T. 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The data obtained revealed 18 distinct CesA gene sequences in P. trichocarpa. The identified genes were grouped in seven gene pairs, one group of three sequences and one single gene. Evidence from gene expression studies of hybrid aspen suggests that both copies of at least one pair, CesA3-1 and CesA3-2, are actively transcribed. No sequences corresponding to the gene pair, CesA6-1 and CesA6-2, were found in Arabidopsis or hybrid aspen, while one homologous gene has been identified in the rice genome and an active transcript in Populus tremuloides. A phylogenetic analysis suggests that the CesA genes previously associated with secondary cell wall synthesis originate from a single ancestor gene and group in three distinct subgroups. The newly identified copies of CesA genes in P. trichocarpa give rise to a number of new questions concerning the mechanism of cellulose synthesis in trees.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15940463</PMID><DateCompleted><Year>2005</Year><Month>09</Month><Day>22</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0032-0935</ISSN><JournalIssue CitedMedium="Print"><Volume>221</Volume><Issue>5</Issue><PubDate><Year>2005</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Planta</Title><ISOAbbreviation>Planta</ISOAbbreviation></Journal><ArticleTitle>The genome sequence of black cottonwood (Populus trichocarpa) reveals 18 conserved cellulose synthase (CesA) genes.</ArticleTitle><Pagination><MedlinePgn>739-46</MedlinePgn></Pagination><Abstract><AbstractText>The genome sequence of Populus trichocarpa was screened for genes encoding cellulose synthases by using full-length cDNA sequences and ESTs previously identified in the tissue specific cDNA libraries of other poplars. The data obtained revealed 18 distinct CesA gene sequences in P. trichocarpa. The identified genes were grouped in seven gene pairs, one group of three sequences and one single gene. Evidence from gene expression studies of hybrid aspen suggests that both copies of at least one pair, CesA3-1 and CesA3-2, are actively transcribed. No sequences corresponding to the gene pair, CesA6-1 and CesA6-2, were found in Arabidopsis or hybrid aspen, while one homologous gene has been identified in the rice genome and an active transcript in Populus tremuloides. A phylogenetic analysis suggests that the CesA genes previously associated with secondary cell wall synthesis originate from a single ancestor gene and group in three distinct subgroups. 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Teeri</name></noCountry><country name="Suède"><region name="Svealand"><name sortKey="Djerbi, Soraya" sort="Djerbi, Soraya" uniqKey="Djerbi S" first="Soraya" last="Djerbi">Soraya Djerbi</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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