Features of yeast RNA polymerase I with special consideration of the lobe binding subunits
Abstract: Ribosomal RNAs (rRNAs) are structural components of ribosomes and represent the most abundant cellular RNA fraction. In the yeast Saccharomyces cerevisiae, they account for more than 60 % of the RNA content in a growing cell. The major amount of rRNA is synthesized by RNA polymerase I (Pol I). This enzyme transcribes exclusively the rRNA gene which is tandemly repeated in about 150 copies on chromosome XII. The high number of transcribed rRNA genes, the efficient recruitment of the transcription machinery and the dense packaging of elongating Pol I molecules on the gene ensure that enough rRNA is generated. Specific features of Pol I and of associated factors confer promoter selectivity and both elongation and termination competence. Many excellent reviews exist about the state of research about function and regulation of Pol I and how Pol I initiation complexes are assembled. In this report we focus on the Pol I specific lobe binding subunits which support efficient, error-free, and correctly terminated rRNA synthesis.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Features of yeast RNA polymerase I with special consideration of the lobe binding subunits ; volume:404 ; number:11-12 ; year:2023 ; pages:979-1002 ; extent:024
Biological chemistry ; 404, Heft 11-12 (2023), 979-1002 (gesamt 024)
- Creator
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Schwank, Katrin
Schmid, Catharina
Fremter, Tobias
Engel, Christoph
Milkereit, Philipp
Griesenbeck, Joachim
Tschochner, Herbert
- DOI
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10.1515/hsz-2023-0184
- URN
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urn:nbn:de:101:1-2023110913322423878430
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:50 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Schwank, Katrin
- Schmid, Catharina
- Fremter, Tobias
- Engel, Christoph
- Milkereit, Philipp
- Griesenbeck, Joachim
- Tschochner, Herbert
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