Abstract
For a large number of oxygen-regulated genes in the facultative aerobe, Saccharomyces cerevisiae, the presence of oxygen is sensed through the ability to use oxygen for heme biosynthesis. Heme induces the transcription of oxygen-induced genes and represses the transcription of hypoxic genes. Repression is mediated by the Rox1 protein in conjunction with the Ssn6/Tupl general repression complex. The differential repression of hypoxic genes results from a combination of the tightness of Rox1 binding to the regulatory region of specific hypoxic genes and the presence or absence of binding sites for Mot3 which enhances Rox1 repression.
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Kastaniotis, A.J., Zitomer, R.S. (2002). Rox1 Medited Repression. In: Lahiri, S., Prabhakar, N.R., Forster, R.E. (eds) Oxygen Sensing. Advances in Experimental Medicine and Biology, vol 475. Springer, Boston, MA. https://doi.org/10.1007/0-306-46825-5_18
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DOI: https://doi.org/10.1007/0-306-46825-5_18
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