By overexpressing HlyBD, two strain-specific components of type I system, they showed that the engineered Type I system could allow a high level (1.5 g per liter) extracellular protein production from an E. coli BL21(DE3) strain
By overexpressing HlyBD, twostrain-specific components of type I system, they showed thatthe engineered Type I system could allow a high level (1.5 gper liter) extracellular protein production from an E. coliBL21(DE3) strain