AustralieFrV1, Main, Exploration, bibRecord, 008E48

CLB19, a pentatricopeptide repeat protein required for editing of rpoA and clpP chloroplast transcripts

Identifieur interne : 008E48 ( Main/Exploration ); précédent : 008E47; suivant : 008E49

CLB19, a pentatricopeptide repeat protein required for editing of rpoA and clpP chloroplast transcripts

Auteurs : Anne-Laure Chateigner-Boutin [Australie] ; Maricela Ramos-Vega [Mexique] ; Arturo Guevara-Garcia [Mexique] ; Charles Andres [Australie, France] ; Maria De La Luz Gutierrez-Nava [Mexique] ; Araceli Cantero [Mexique] ; Etienne Delannoy [Australie] ; Luis Felipe Jimenez [Mexique] ; Claire Lurin [France] ; Ian Small [Australie, France] ; Patricia Leon [Mexique]

Source :

Plant journal [ 0960-7412 ] ; 2008.

RBID : Pascal:09-0050864

Descripteurs français

Pascal (Inist)
- Chloroplaste, Expression génique, Développement, RNA chloroplastique, Edition RNA, DNA-directed RNA polymerase, Arabidopsis thaliana, Protéine PPR, Biogenèse.

English descriptors

KwdEn :
- Arabidopsis thaliana, Biogenesis, Chloroplast, Chloroplast RNA, DNA-directed RNA polymerase, Development, Gene expression, RNA editing.

Abstract

RNA editing changes the sequence of many transcripts in plant organelles, but little is known about the molecular mechanisms determining the specificity of the process. In this study, we have characterized CLB19 (also known as PDE247), a gene that is required for editing of two distinct chloroplast transcripts, rpoA and dpP. Loss-of-function clb19 mutants present a yellow phenotype with impaired chloroplast development and early seedling lethality under greenhouse conditions. Transcript patterns are profoundly affected in the mutant plants, with a pattern entirely consistent with a defect in activity of the plastid-encoded RNA polymerase. CLB19 encodes a pentatricopeptide repeat protein similar to the editing specificity factors CRR4 and CRR21, but, unlike them, is implicated in editing of two target sites.

Affiliations:

Australie, France, Mexique

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 003053
to stream PascalFrancis, to step Curation: 002F64
to stream PascalFrancis, to step Checkpoint: 003374
to stream Main, to step Merge: 009788
to stream Main, to step Curation: 008E48

Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">CLB19, a pentatricopeptide repeat protein required for editing of rpoA and clpP chloroplast transcripts</title>
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<term>Development</term>
<term>Gene expression</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Chloroplaste</term>
<term>Expression génique</term>
<term>Développement</term>
<term>RNA chloroplastique</term>
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<front><div type="abstract" xml:lang="en">RNA editing changes the sequence of many transcripts in plant organelles, but little is known about the molecular mechanisms determining the specificity of the process. In this study, we have characterized CLB19 (also known as PDE247), a gene that is required for editing of two distinct chloroplast transcripts, rpoA and dpP. Loss-of-function clb19 mutants present a yellow phenotype with impaired chloroplast development and early seedling lethality under greenhouse conditions. Transcript patterns are profoundly affected in the mutant plants, with a pattern entirely consistent with a defect in activity of the plastid-encoded RNA polymerase. CLB19 encodes a pentatricopeptide repeat protein similar to the editing specificity factors CRR4 and CRR21, but, unlike them, is implicated in editing of two target sites.</div>
</front>
</TEI>
<affiliations><list><country><li>Australie</li>
<li>France</li>
<li>Mexique</li>
</country>
</list>
<tree><country name="Australie"><noRegion><name sortKey="Chateigner Boutin, Anne Laure" sort="Chateigner Boutin, Anne Laure" uniqKey="Chateigner Boutin A" first="Anne-Laure" last="Chateigner-Boutin">Anne-Laure Chateigner-Boutin</name>
</noRegion>
<name sortKey="Andres, Charles" sort="Andres, Charles" uniqKey="Andres C" first="Charles" last="Andres">Charles Andres</name>
<name sortKey="Delannoy, Etienne" sort="Delannoy, Etienne" uniqKey="Delannoy E" first="Etienne" last="Delannoy">Etienne Delannoy</name>
<name sortKey="Small, Ian" sort="Small, Ian" uniqKey="Small I" first="Ian" last="Small">Ian Small</name>
</country>
<country name="Mexique"><noRegion><name sortKey="Ramos Vega, Maricela" sort="Ramos Vega, Maricela" uniqKey="Ramos Vega M" first="Maricela" last="Ramos-Vega">Maricela Ramos-Vega</name>
</noRegion>
<name sortKey="Cantero, Araceli" sort="Cantero, Araceli" uniqKey="Cantero A" first="Araceli" last="Cantero">Araceli Cantero</name>
<name sortKey="De La Luz Gutierrez Nava, Maria" sort="De La Luz Gutierrez Nava, Maria" uniqKey="De La Luz Gutierrez Nava M" first="Maria" last="De La Luz Gutierrez-Nava">Maria De La Luz Gutierrez-Nava</name>
<name sortKey="Guevara Garcia, Arturo" sort="Guevara Garcia, Arturo" uniqKey="Guevara Garcia A" first="Arturo" last="Guevara-Garcia">Arturo Guevara-Garcia</name>
<name sortKey="Jimenez, Luis Felipe" sort="Jimenez, Luis Felipe" uniqKey="Jimenez L" first="Luis Felipe" last="Jimenez">Luis Felipe Jimenez</name>
<name sortKey="Leon, Patricia" sort="Leon, Patricia" uniqKey="Leon P" first="Patricia" last="Leon">Patricia Leon</name>
</country>
<country name="France"><noRegion><name sortKey="Andres, Charles" sort="Andres, Charles" uniqKey="Andres C" first="Charles" last="Andres">Charles Andres</name>
</noRegion>
<name sortKey="Lurin, Claire" sort="Lurin, Claire" uniqKey="Lurin C" first="Claire" last="Lurin">Claire Lurin</name>
<name sortKey="Small, Ian" sort="Small, Ian" uniqKey="Small I" first="Ian" last="Small">Ian Small</name>
</country>
</tree>
</affiliations>
</record>

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CLB19, a pentatricopeptide repeat protein required for editing of rpoA and clpP chloroplast transcripts

CLB19, a pentatricopeptide repeat protein required for editing of rpoA and clpP chloroplast transcripts

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