New studies indicate that an Aplysia californica variant of the translational regulator CPEB exhibits prion-like properties, enabling the protein to establish a stable, self-perpetuating and synapse-specific enhancement of neurotransmission. These studies suggest that a radically new kind of signalling — an autocatalytic change in protein conformation — is involved in maintaining long-term memories.
- Jonathan M. Levenson
- J. David Sweatt