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

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Rox1 mediated repression. Oxygen dependent repression in yeast.

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/Tup1 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.[1]

References

  1. Rox1 mediated repression. Oxygen dependent repression in yeast. Kastaniotis, A.J., Zitomer, R.S. Adv. Exp. Med. Biol. (2000) [Pubmed]
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