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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
14
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pubmed:dateCreated |
2010-4-7
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pubmed:abstractText |
Riboswitches are natural RNA sensors that regulate gene expression in response to ligand binding. Riboswitches have been identified in prokaryotes and eukaryotes but are unknown in organelles (mitochondria and plastids). Here we have tested the possibility to engineer riboswitches for plastids (chloroplasts), a genetic system that largely relies on translational control of gene expression. To this end, we have used bacterial riboswitches and modified them in silico to meet the requirements of translational regulation in plastids. These engineered switches were then tested for functionality in vivo by stable transformation of the tobacco chloroplast genome. We report the identification of a synthetic riboswitch that functions as an efficient translational regulator of gene expression in plastids in response to its exogenously applied ligand theophylline. This riboswitch provides a novel tool for plastid genome engineering that facilitates the tightly regulated inducible expression of chloroplast genes and transgenes and thus has wide applications in functional genomics and biotechnology.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/20308585-10792825,
http://linkedlifedata.com/resource/pubmed/commentcorrection/20308585-10946107,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/20308585-18753148,
http://linkedlifedata.com/resource/pubmed/commentcorrection/20308585-18757552,
http://linkedlifedata.com/resource/pubmed/commentcorrection/20308585-18939966,
http://linkedlifedata.com/resource/pubmed/commentcorrection/20308585-19141470,
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http://linkedlifedata.com/resource/pubmed/commentcorrection/20308585-8381537,
http://linkedlifedata.com/resource/pubmed/commentcorrection/20308585-8576143,
http://linkedlifedata.com/resource/pubmed/commentcorrection/20308585-9314531
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
1091-6490
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pubmed:author |
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pubmed:issnType |
Electronic
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pubmed:day |
6
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pubmed:volume |
107
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
6204-9
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pubmed:dateRevised |
2010-9-28
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pubmed:meshHeading |
pubmed-meshheading:20308585-Base Sequence,
pubmed-meshheading:20308585-DNA, Bacterial,
pubmed-meshheading:20308585-Escherichia coli,
pubmed-meshheading:20308585-Gene Expression Regulation,
pubmed-meshheading:20308585-Genome, Plastid,
pubmed-meshheading:20308585-Molecular Sequence Data,
pubmed-meshheading:20308585-Nucleic Acid Conformation,
pubmed-meshheading:20308585-Protein Biosynthesis,
pubmed-meshheading:20308585-Tobacco
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pubmed:year |
2010
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pubmed:articleTitle |
Inducible gene expression from the plastid genome by a synthetic riboswitch.
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pubmed:affiliation |
Max-Planck-Institut für Molekulare Pflanzenphysiologie, Am Mühlenberg 1, D-14476 Potsdam-Golm, Germany.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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