. 2015 Apr 11;14:51. doi: 10.1186/s12934-015-0236-2

Table 2.

Comparison of production of 3HB by E. coli AF1000 and PPA652ara by varied cultivation techniques

Process mode	Sugar	Strain	Time	CDW	Sugar consumed	3HB	HAc	mean q _{S total}	mean q _3HB	Y _3HB/HAc	Y _3HB/CDW	Y _3HB/Sugar
			(h)	(g L ⁻¹ )	(g L ⁻¹ )	(g L ⁻¹ )	(g L ⁻¹ )	(g g ⁻¹ h ⁻¹ )	(mg g ⁻¹ h ⁻¹ )	(g g ⁻¹ )	(g g ⁻¹ )	(g g ⁻¹ )
Batch	Glc	AF1000	5.5	4.18	8.90	0.51	0.96	1.0	68	0.54	0.12	0.06
Batch	Glc + Xyl + Ara	PPA652ara	7.3	4.88	9.65	0.31	0.00	0.7	25	→ ∞	0.06	0.03
N-depletion	Glc + Xyl + Ara	AF1000	16.0	0.27	2.73	0.64	0.48	0.2	29	1.33	2.37	0.23
N-depletion	Glc + Xyl + Ara	PPA652ara	15.0	0.39	3.79	0.54	0.54	0.3	31	1.00	1.38	0.14
N-fedbatch	Glc + Xyl + Ara	AF1000	11.0	10.37	37.05	1.84	2.66	0.6	45	0.69	0.18	0.05
N-fedbatch	Glc + Xyl + Ara	PPA652ara	11.0	11.82	36.75	1.87	0.77	0.6	38	2.43	0.16	0.05

In the cases of nitrogen depletion and nitrogen-limited fed-batch, the values given in the table are calculated for the respective depleted/limited phase only, and do not include the batch phases.