A global picture of tRNA genes in plant genomes.
Identifieur interne : 003018 ( Main/Exploration ); précédent : 003017; suivant : 003019A global picture of tRNA genes in plant genomes.
Auteurs : Morgane Michaud [France] ; Valérie Cognat ; Anne-Marie Duchêne ; Laurence Maréchal-DrouardSource :
- The Plant journal : for cell and molecular biology [ 1365-313X ] ; 2011.
Descripteurs français
- KwdFr :
- ARN de transfert (génétique), ARN des plantes (génétique), Analyse de séquence d'ADN (MeSH), Boite TATA (MeSH), Chlorophyta (génétique), Conformation d'acide nucléique (MeSH), Données de séquences moléculaires (MeSH), Gènes de plante (MeSH), Génome végétal (MeSH), Introns (MeSH), Magnoliopsida (génétique), Mitochondries (génétique), Pseudogènes (MeSH), Séquence nucléotidique (MeSH), Transport nucléaire actif (MeSH), Éléments SINE (MeSH), Évolution moléculaire (MeSH).
- MESH :
- génétique : ARN de transfert, ARN des plantes, Chlorophyta, Magnoliopsida, Mitochondries.
- Analyse de séquence d'ADN, Boite TATA, Conformation d'acide nucléique, Données de séquences moléculaires, Gènes de plante, Génome végétal, Introns, Pseudogènes, Séquence nucléotidique, Transport nucléaire actif, Éléments SINE, Évolution moléculaire.
English descriptors
- KwdEn :
- Active Transport, Cell Nucleus (MeSH), Base Sequence (MeSH), Chlorophyta (genetics), Evolution, Molecular (MeSH), Genes, Plant (MeSH), Genome, Plant (MeSH), Introns (MeSH), Magnoliopsida (genetics), Mitochondria (genetics), Molecular Sequence Data (MeSH), Nucleic Acid Conformation (MeSH), Pseudogenes (MeSH), RNA, Plant (genetics), RNA, Transfer (genetics), Sequence Analysis, DNA (MeSH), Short Interspersed Nucleotide Elements (MeSH), TATA Box (MeSH).
- MESH :
- chemical , genetics : RNA, Plant, RNA, Transfer.
- genetics : Chlorophyta, Magnoliopsida, Mitochondria.
- Active Transport, Cell Nucleus, Base Sequence, Evolution, Molecular, Genes, Plant, Genome, Plant, Introns, Molecular Sequence Data, Nucleic Acid Conformation, Pseudogenes, Sequence Analysis, DNA, Short Interspersed Nucleotide Elements, TATA Box.
Abstract
Although transfer RNA (tRNA) has a fundamental role in cell life, little is known about tRNA gene organization and expression on a genome-wide scale in eukaryotes, particularly plants. Here, we analyse the content and distribution of tRNA genes in five flowering plants and one green alga. The tRNA gene content is homogenous in plants, and is mostly correlated with genome size. The number of tRNA pseudogenes and organellar-like tRNA genes present in nuclear genomes varies greatly from one plant species to another. These pseudogenes or organellar-like genes appear to be generated or inserted randomly during evolution. Interestingly, we identified a new family of tRNA-related short interspersed nuclear elements (SINEs) in the Populus trichocarpa nuclear genome. In higher plants, intron-containing tRNA genes are rare, and correspond to genes coding for tRNA(Tyr) and tRNA(Mete) . By contrast, in green algae, more than half of the tRNA genes contain an intron. This suggests divergent means of intron acquisition and the splicing process between green algae and land plants. Numerous tRNAs are co-transcribed in Chlamydomonas, but they are mostly transcribed as a single unit in flowering plants. The only exceptions are tRNA(Gly) -snoRNA and tRNA(Mete) -snoRNA cotranscripts in dicots and monocots, respectively. The internal or external motifs required for efficient transcription of tRNA genes by RNA polymerase III are well conserved among angiosperms. A brief analysis of the mitochondrial and plastidial tRNA gene populations is also provided.
DOI: 10.1111/j.1365-313X.2011.04490.x
PubMed: 21443625
Affiliations:
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(MeSH)</term><term>Genes, Plant (MeSH)</term><term>Genome, Plant (MeSH)</term><term>Introns (MeSH)</term><term>Magnoliopsida (genetics)</term><term>Mitochondria (genetics)</term><term>Molecular Sequence Data (MeSH)</term><term>Nucleic Acid Conformation (MeSH)</term><term>Pseudogenes (MeSH)</term><term>RNA, Plant (genetics)</term><term>RNA, Transfer (genetics)</term><term>Sequence Analysis, DNA (MeSH)</term><term>Short Interspersed Nucleotide Elements (MeSH)</term><term>TATA Box (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>ARN de transfert (génétique)</term><term>ARN des plantes (génétique)</term><term>Analyse de séquence d'ADN (MeSH)</term><term>Boite TATA (MeSH)</term><term>Chlorophyta (génétique)</term><term>Conformation d'acide nucléique (MeSH)</term><term>Données de séquences moléculaires (MeSH)</term><term>Gènes de plante (MeSH)</term><term>Génome végétal (MeSH)</term><term>Introns (MeSH)</term><term>Magnoliopsida (génétique)</term><term>Mitochondries (génétique)</term><term>Pseudogènes (MeSH)</term><term>Séquence nucléotidique (MeSH)</term><term>Transport nucléaire actif (MeSH)</term><term>Éléments SINE (MeSH)</term><term>Évolution moléculaire (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>RNA, Plant</term><term>RNA, Transfer</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Chlorophyta</term><term>Magnoliopsida</term><term>Mitochondria</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>ARN de transfert</term><term>ARN des plantes</term><term>Chlorophyta</term><term>Magnoliopsida</term><term>Mitochondries</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Active Transport, Cell Nucleus</term><term>Base Sequence</term><term>Evolution, Molecular</term><term>Genes, Plant</term><term>Genome, Plant</term><term>Introns</term><term>Molecular Sequence Data</term><term>Nucleic Acid Conformation</term><term>Pseudogenes</term><term>Sequence Analysis, DNA</term><term>Short Interspersed Nucleotide Elements</term><term>TATA Box</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Analyse de séquence d'ADN</term><term>Boite TATA</term><term>Conformation d'acide nucléique</term><term>Données de séquences moléculaires</term><term>Gènes de plante</term><term>Génome végétal</term><term>Introns</term><term>Pseudogènes</term><term>Séquence nucléotidique</term><term>Transport nucléaire actif</term><term>Éléments SINE</term><term>Évolution moléculaire</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Although transfer RNA (tRNA) has a fundamental role in cell life, little is known about tRNA gene organization and expression on a genome-wide scale in eukaryotes, particularly plants. Here, we analyse the content and distribution of tRNA genes in five flowering plants and one green alga. The tRNA gene content is homogenous in plants, and is mostly correlated with genome size. The number of tRNA pseudogenes and organellar-like tRNA genes present in nuclear genomes varies greatly from one plant species to another. These pseudogenes or organellar-like genes appear to be generated or inserted randomly during evolution. Interestingly, we identified a new family of tRNA-related short interspersed nuclear elements (SINEs) in the Populus trichocarpa nuclear genome. In higher plants, intron-containing tRNA genes are rare, and correspond to genes coding for tRNA(Tyr) and tRNA(Mete) . By contrast, in green algae, more than half of the tRNA genes contain an intron. This suggests divergent means of intron acquisition and the splicing process between green algae and land plants. Numerous tRNAs are co-transcribed in Chlamydomonas, but they are mostly transcribed as a single unit in flowering plants. The only exceptions are tRNA(Gly) -snoRNA and tRNA(Mete) -snoRNA cotranscripts in dicots and monocots, respectively. The internal or external motifs required for efficient transcription of tRNA genes by RNA polymerase III are well conserved among angiosperms. A brief analysis of the mitochondrial and plastidial tRNA gene populations is also provided.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21443625</PMID><DateCompleted><Year>2011</Year><Month>09</Month><Day>22</Day></DateCompleted><DateRevised><Year>2017</Year><Month>11</Month><Day>16</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1365-313X</ISSN><JournalIssue CitedMedium="Internet"><Volume>66</Volume><Issue>1</Issue><PubDate><Year>2011</Year><Month>Apr</Month></PubDate></JournalIssue><Title>The Plant journal : for cell and molecular biology</Title><ISOAbbreviation>Plant J</ISOAbbreviation></Journal><ArticleTitle>A global picture of tRNA genes in plant genomes.</ArticleTitle><Pagination><MedlinePgn>80-93</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/j.1365-313X.2011.04490.x</ELocationID><Abstract><AbstractText>Although transfer RNA (tRNA) has a fundamental role in cell life, little is known about tRNA gene organization and expression on a genome-wide scale in eukaryotes, particularly plants. Here, we analyse the content and distribution of tRNA genes in five flowering plants and one green alga. The tRNA gene content is homogenous in plants, and is mostly correlated with genome size. The number of tRNA pseudogenes and organellar-like tRNA genes present in nuclear genomes varies greatly from one plant species to another. These pseudogenes or organellar-like genes appear to be generated or inserted randomly during evolution. Interestingly, we identified a new family of tRNA-related short interspersed nuclear elements (SINEs) in the Populus trichocarpa nuclear genome. In higher plants, intron-containing tRNA genes are rare, and correspond to genes coding for tRNA(Tyr) and tRNA(Mete) . By contrast, in green algae, more than half of the tRNA genes contain an intron. This suggests divergent means of intron acquisition and the splicing process between green algae and land plants. Numerous tRNAs are co-transcribed in Chlamydomonas, but they are mostly transcribed as a single unit in flowering plants. The only exceptions are tRNA(Gly) -snoRNA and tRNA(Mete) -snoRNA cotranscripts in dicots and monocots, respectively. The internal or external motifs required for efficient transcription of tRNA genes by RNA polymerase III are well conserved among angiosperms. A brief analysis of the mitochondrial and plastidial tRNA gene populations is also provided.</AbstractText><CopyrightInformation>© 2011 The Authors. The Plant Journal © 2011 Blackwell Publishing Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Michaud</LastName><ForeName>Morgane</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Institut de Biologie Moléculaire des Plantes, UPR 2357-CNRS, Université de Strasbourg, 12 rue du Général Zimmer, F-67084 Strasbourg Cedex, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cognat</LastName><ForeName>Valérie</ForeName><Initials>V</Initials></Author><Author ValidYN="Y"><LastName>Duchêne</LastName><ForeName>Anne-Marie</ForeName><Initials>AM</Initials></Author><Author ValidYN="Y"><LastName>Maréchal-Drouard</LastName><ForeName>Laurence</ForeName><Initials>L</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. 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sortKey="Marechal Drouard, Laurence" sort="Marechal Drouard, Laurence" uniqKey="Marechal Drouard L" first="Laurence" last="Maréchal-Drouard">Laurence Maréchal-Drouard</name></noCountry><country name="France"><region name="Grand Est"><name sortKey="Michaud, Morgane" sort="Michaud, Morgane" uniqKey="Michaud M" first="Morgane" last="Michaud">Morgane Michaud</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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