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Reference: Conaway RC and Conaway JW (2011) Origins and activity of the Mediator complex. Semin Cell Dev Biol 22(7):729-34

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Abstract

The Mediator is a large, multisubunit RNA polymerase II transcriptional regulator that was first identified in Saccharomyces cerevisiae as a factor required for responsiveness of Pol II and the general initiation factors to DNA binding transactivators. Since its discovery in yeast, Mediator has been shown to be an integral and highly evolutionarily conserved component of the Pol II transcriptional machinery with critical roles in multiple stages of transcription, from regulation of assembly of the Pol II initiation complex to regulation of Pol II elongation. Here we provide a brief overview of the evolutionary origins of Mediator, its subunit composition, and its remarkably diverse collection of activities in Pol II transcription.

Reference Type
Journal Article | Review | Research Support, Non-U.S. Gov't | Research Support, N.I.H., Extramural
Authors
Conaway RC, Conaway JW
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