Silencing
Overexpression
Feedback insensitive
Attenuation
Feed-forward insensitive
Inhibition insensitive
Unstated
Combined modifications

Titer in Flask for D-glucosamine

Modifications
Strain Maximum production nagB nagA nagC umpH nagE manX manY manZ lacZ glmS
E. coli ATCC 25947 4 mg/L
E. coli 2123-12 75 mg/L
E. coli 2123-54 6,000 mg/L

Titer in Fed-Batch for D-glucosamine

Modifications
Strain Maximum production nagB nagA nagC umpH nagE manX manY manZ glmS galK
E. coli 7107-18 17,000 mg/L