Titer in Batch for putrescine

		Modifications
Strain	Maximum production	lacI	speE	speG	argI	puuA	puuP	speC	argR	argE	argC	argB	argH	speF	potE	argD
E. coli XQ26 (pKKSpeC)	90 mg/L
E. coli WL3110 (p15SpeC)	250 mg/L
E. coli XQ38 (p15SpeC)	840 mg/L
E. coli XQ26 (p15SpeC)	1,180 mg/L
E. coli XQ33 (p15SpeC)	1,300 mg/L
E. coli XQ43 (p15SpeC)	1,570 mg/L
E. coli XQ52 (p15SpeC)	1,680 mg/L

Titer in Fed-Batch for putrescine

		Modifications
Strain	Maximum production	lacI	speE	speG	argI	puuA	puuP	argE	argC	argB	argH	speF	potE	argD	speC
E. coli XQ43	18,000 mg/L
E. coli XQ43 (p15SpeC)	21,700 mg/L
E. coli XQ52 (p15SpeC)	24,200 mg/L

Volumetric productivity in Fed-Batch for putrescine

		Modifications
Strain	Maximum production	lacI	speE	speG	argI	puuA	puuP	argE	argC	argB	argH	speF	potE	argD	speC
E. coli XQ43	630 mg/L/h
E. coli XQ52 (p15SpeC)	750 mg/L/h