"Self-inactivating" rabies viruses are susceptible to loss of their intended attenuating modification
Lei Jin, Makoto Matsuyama, Heather A. Sullivan…·Ian R. Wickersham
The paper shows that a modified rabies virus intended for noncytotoxic neuronal tracing lost its modification due to mutations, leading to paradoxical results, and that the modified virus requires exogenous protease for efficient spread.