Object's details: A contribution to identification of novel regulators of plant response to sulfur deficiency: characteristics of a tobacco gene UP9, its protein product and the effects of UP9 silencing

Provider:Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

Description

Title:
A contribution to identification of novel regulators of plant response to sulfur deficiency: characteristics of a tobacco gene UP9, its protein product and the effects of UP9 silencing
Creator:
Lewandowska, Małgorzata;
Wawrzyńska, Anna;
Moniuszko, Grzegorz;
Łukomska, Jolanta;
Zientara, Katarzyna;
Piecho, Marta;
Hodurek, Paweł;
Zhukov, Igor;
Liszewska, Frantz;
Nikiforova, Victoria;
Sirko, Agnieszka
Description:
Extensive changes in plant transcriptome and metabolome have been observed by numerous research groups after transferring plants from optimal conditions to sulfur (S) deficiency. Despite intensive studies and recent important achievements, like identification of SLIM1/EIL3 as a major transcriptional regulator of the response to S-deficiency, many questions concerning other elements of the regulatory network remain unanswered. Investigations of genes with expression regulated by S-deficiency stress encoding proteins of unknown function might help to clarify these problems. This study is focused on the UP9C gene and the UP9-like family in tobacco. Homologues of these genes exist in other plant species, including a family of four genes of unknown function in Arabidopsis thaliana (LSU1-4), of which two were reported as strongly induced by S-deficit and to a lesser extent by salt stress and nitrate limitation. Conservation of the predicted structural features, such as coiled coil region or nuclear localization signal suggests that these proteins might have important functions possibly mediated by interactions with other proteins. Analysis of transgenic tobacco plants with silenced expression of UP9-like genes strongly argues for their significant role in regulation of plant response to S-deficit. Although our study shows that the UP9-like proteins are important components of such response and they might be also required during other stresses, their molecular functions remain a mystery.
Object availability:
free access
Date:
2010.02.10
Type:
Article;
PeerReviewed
Relation: http://eprints.ibb.waw.pl/5 ;
PMID: 20147370; doi:10.1093/mp/ssq007
Subject:
QK Botany
Identifier:
Lewandowska, Małgorzata and Wawrzyńska, Anna and Moniuszko, Grzegorz and Łukomska, Jolanta and Zientara, Katarzyna and Piecho, Marta and Hodurek, Paweł and Zhukov, Igor and Liszewska, Frantz and Nikiforova, Victoria and Sirko, Agnieszka (2010) A contribution to identification of novel regulators of plant response to sulfur deficiency: characteristics of a tobacco gene UP9, its protein product and the effects of UP9 silencing. Molecular Plant .
Data provider:
Repozytorium Instytutu Biochemii i Biofizyki Polskiej Akademii Nauk

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Object's details: A contribution to identification of novel regulators of plant response to sulfur deficiency: characteristics of a tobacco gene UP9, its protein product and the effects of UP9 silencing

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