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The trihelix family of transcription factors--light, stress and development

Ruth N Kaplan-Levy1, Philip B Brewer, Tezz Quon

  • 1School of Biological Sciences, Monash University, Clayton Campus, Melbourne, Vic 3800, Australia.

Trends in Plant Science
|January 13, 2012
PubMed

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Master Transcription Regulators

Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a  complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
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Transcription activators are proteins that promote the transcription of genes from DNA to RNA. In most cases, these proteins contain two separate domains ‒ a domain that binds to DNA and a domain for activating transcription; however, in some cases, a single domain is responsible for both binding and activation of transcription, as seen in the glucocorticoid receptor and MyoD.
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