Soluble oligomers are sufficient for transmission of a yeast prion but do not confer phenotype.

Abstract excerpt

Amyloidogenic proteins aggregate through a self-templating mechanism that likely involves oligomeric or prefibrillar intermediates. For disease-associated amyloidogenic proteins, such intermediates have been suggested to be the primary cause of cellular toxicity. However, isolation and characterization of these oligomeric intermediates has proven difficult, sparking controversy over their biological relevance in...

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