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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Transcription of the 5 S rRNA gene of Saccharomyces cerevisiae requires a promoter element at +1 and a 14-base pair internal control region.

In vitro transcription of templates containing deletion-substitution mutations has localized two essential promoter elements of the 5 S rRNA gene of Saccharomyces cerevisiae. A promoter element spanning the start site of transcription extends from -14 to +8, and a short internal control region (ICR) extends from +81 to +94. Changes in spacing between these elements by more than a few base pairs significantly reduce transcription. The site of RNA polymerase III transcription factor A (TFIIIA) binding, mapped by determination of the G residues that are protected from methylation on exposure of the TFIIIA.5 S DNA complex to dimethyl sulfate, is coincident with the ICR. Incorporation of TFIIIC into the TFIIIA.5 S rRNA gene complex protects additional G residues 5' and 3' of the ICR from methylation.[1]

References

  1. Transcription of the 5 S rRNA gene of Saccharomyces cerevisiae requires a promoter element at +1 and a 14-base pair internal control region. Challice, J.M., Segall, J. J. Biol. Chem. (1989) [Pubmed]
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