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Review
The Genetic Control of the Formation and Propagation of the [PSI+] Prion of Yeast
Mick F. Tuite and Brian S. Cox
volume 1 | issue 2
April/May/June 2007Pages: 101 - 109
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It is over 40 years since it was first reported that the yeast Saccahromyces cerevisiae contains two unusual cytoplasmic ‘genetic’ elements: [PSI+] and [URE3]. Remarkably the underlying determinants are protein-based rather than nucleic acid-based, i.e., that they are prions, and we have already learned much about their inheritance and phenotypic effects from the application of ‘classical’ genetic studies alongside the more modern molecular, cellular and biochemical approaches. Of particular value has been the exploitation of chemical mutagens and ‘antagonistic’ mutants which directly affect the replication and/or transmission of yeast prions. In this chapter we describe what has emerged from the application of classical and molecular genetic studies, to the most intensively studied of the three native yeast prions, the [PSI+] prion.
Authors
Mick F. Tuite
University of Kent
Brian S. Cox
University of Kent; Canterbury, UK
We now provide open access to journal articles published online for one year or more. This article may be downloaded at the following link:
Download PDF If the document does not open, please right-click on the link (control-click on a Macintosh) and select the option to save the file to disk.