Skip to main content

Advertisement

Table 3 Parameters during shaking flask cultivations of C. glutamicum wild-type using pyrolysis water as substrate

From: Valorization of pyrolysis water: a biorefinery side stream, for 1,2-propanediol production with engineered Corynebacterium glutamicum

   1 h HT PW + YE 1.5 h HT PW + YE 1 h HT PW + GSH Acetol + YE
µ (h−1) 0.31 ± 0.06 0.36 ± 0.04 0.18 ± 0.02 0.03 ± 0.01a
q S max (mmolacetate g CDW −1 h−1) 10.0 ± 1.2 11.1 ± 2.2 9.4 ± 0.8
(mmolacetol g CDW −1 h−1) 1.3 ± 0.3 1.0 ± 0.1 1.1 ± 0.2 3.6 ± 0.7
Y X/S* (gCDW g acetate −1 ) 0.83 ± 0.05 0.86 ± 0.08 0.44 ± 0.01
(gCDW g acetol −1 ) 0.24 ± 0.09a
  1. Growth rate (µ), maximum differential biomass-specific substrate uptake rates (q S max ) and the apparent biomass substrate yields (Y X/S*) in respective shaking flask experiments with 1 h and 1.5 h HT PW containing either 5 g yeast extract (YE) L−1 or 1 mM reduced glutathione (GSH) as well as 5 g acetol L−1 with 5 g YE L−1. Error bars depict the SD of ≥ 3 independent experiments
  2. aCalculated for the second growth phase (cf. Fig. 2d)