Tia Ghose | Apr 1, 2009 | 2 min read
Prions may not just be culprits in disease -- they may also do some good, new research shows. Proteins prone to morph into prions are widespread in yeast, and may benefit the organism by helping it adapt to a changing environment, scientists report in this week's Cell. Prion histology Image: Wikimedia CommonsThe results are "fascinating," and "biologically very significant," said Liming Li, a biochemist at Northwestern University who studies yeast prions but was not involved in the research. T