Table 1.

Amyloid-based yeast prions.

Prion	Protein	Protein function	Phenotype of Prion	Ref.
[URE3]	Ure2p	Negative regulator of catabolism of poor nitrogen sources	Inappropriate derepression of enzymes and transporters for poor N sources	(Wickner 1994)
[PSI+]	Sup35p	Translation termination subunit	Inappropriate readthrough of translation terimination codons	(Wickner 1994)
[PIN+]	Rnq1p	Unknown	Rare priming of other prion formation	(Derkatch et al. 2001)
[SWI+]	Swi1p	Chromatin remodeling complex subunit	Poor growth on raffinose, glycerol, or galactose	(Du et al. 2008)
[OCT+]	Cyc8p	Transcription repression factor subunit	Defective transcription repression	(Patel et al. 2009)
[MOT+]	Mot3p	Transcription repressor of aerobic-repressed genes	Inappropriate derepression of ‘anaerobic’ genes	(Alberti et al. 2009)
[ISP+]	Sfp1p	Positive transcription factor of translation-related genes	Antisuppression	(Rogoza et al. 2010)
[MOD+]	Mod5p	tRNA isopentenyltransferase	Partial inactivation of enzyme;	(Suzuki et al. 2012)