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Table 3 Highest titers, yields and productivities achieved with YZy197

From: Xylose utilization stimulates mitochondrial production of isobutanol and 2-methyl-1-butanol in Saccharomyces cerevisiae

YZy197

Titera (g/L)

Yielda (mg/g xylose)

Productivityb (mg/L/h)

Isobutanol

3.10 ± 0.18

38.8 ± 2.4

32.6 ± 1.7

2-Methyl-1-butanol

0.79 ± 0.07 (0.91 ± 0.02)c

18.4 ± 2.8

16.3 ± 1.4

Total branched-chain alcohols

3.89 ± 0.25

57.2 ± 5.2

48.9 ± 3.1

  1. Values were obtained in CaCO3-buffered fed-batch fermentations in synthetic complete (minus uracil) medium, supplemented with a150 g/L xylose, or b100 g/L xylose
  2. cThe highest titer of 2-methyl-1-butanol was achieved in CaCO3-buffered batch fermentations in synthetic complete (minus uracil) medium, supplemented with 100 g/L xylose. Also see Additional file 1: Table S1
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