Next week, with the help of Dr. Ghaemmaghami, we will be discussing prion evolution

Tyedmers, Jens, Maria Lucia Madariaga, and Susan Lindquist. “Prion switching in response to environmental stress.” PLoS biology 6.11 (2008): e294.
Halfmann, Randal, et al. “Prions are a common mechanism for phenotypic inheritance in wild yeasts.” Nature 482.7385 (2012): 363-368.