| Plant sigma factors and their role in plastid transcription. | |
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MedLine Citation:
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PMID: 17356883 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Plant sigma factors determine the promoter specificity of the major RNA polymerase of plastids and thus regulate the first level of plastome gene expression. In plants, sigma factors are encoded by a small family of nuclear genes, and it is not yet clear if the family members are functionally redundant or each paralog plays a particular role. The review presents the analysis of the information on plant sigma factors obtained since their discovery a decade ago and focuses on similarities and differences in structure and functions of various paralogs. Special attention is paid to their interaction with promoters, the regulation of their expression, and their role in the development of a whole plant. The analysis suggests that though plant sigma factors are basically similar, at least some of them perform distinct functions. Finally, the work presents the scheme of this gene family evolution in higher plants. |
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Authors:
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Eugene A Lysenko |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Review Date: 2007-03-14 |
Journal Detail:
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Title: Plant cell reports Volume: 26 ISSN: 0721-7714 ISO Abbreviation: Plant Cell Rep. Publication Date: 2007 Jul |
Date Detail:
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Created Date: 2007-07-10 Completed Date: 2007-08-30 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9880970 Medline TA: Plant Cell Rep Country: Germany |
Other Details:
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Languages: eng Pagination: 845-59 Citation Subset: IM |
Affiliation:
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Institute of Plant Physiology, Russian Academy of Sciences, Botanicheskaya ul. 35, 127276 Moscow, Russia. genlysenko@mail.ru |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Gene Expression Regulation, Plant* Plastids / genetics* Sigma Factor / metabolism* Transcription, Genetic* |
| Chemical | |
Reg. No./Substance:
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0/Sigma Factor |
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