Rce1, a novel transcriptional repressor, regulates cellulase gene expression by antagonizing the transactivator Xyr1 in Trichoderma reesei

What is it about?

Cellulase gene expression in the model cellulolytic fungus Trichoderma reesei is controlled by an intricate regulatory network involving multiple transcription factors. We describe here a new transcriptional repressor Rce1 paritcipating in regulating cellulase gene expression by antagonizing the major transcriptional activator Xyr1 from binding to the promoter.

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