Skip to main content

Table 2 Parameters in YP medium containing mixed sugars with Glc at various temperatures under a shaking condition (160 rpm)

From: Highly efficient conversion of xylose to ethanol without glucose repression by newly isolated thermotolerant Spathaspora passalidarum CMUWF1–2

Medium

Temp (°C)

Max. EtOH (g/l)

Max. Yp/s (g/g)

Max. μx/s (h−1)

Max. γs (g/lh)

YPDMan

30

15.6(24) ± 0.41

0.38 ± 0.03

2.65(24) ± 0.19

Glc

Man

1.19(24) ± 0.12

1.64(24) ± 0.14

37

14.0(36) ± 0.37

0.35 ± 0.02

2.17(24) ± 0.05

Glc

Man

1.14(24) ± 0.06

1.16(24) ± 0.17

40

10.4(60) ± 0.54

0.28 ± 0.02

0.77(24) ± 0.18

Glc

Man

0.88(36) ± 0.05

0.41(36) ± 0.14

YPDGal

30

15.5(36) ± 0.27

0.37 ± 0.01

2.16(24) ± 0.30

Glc

Gal

0.97(24) ± 0.15

1.53(24) ± 0.23

37

13.7(36) ± 0.15

0.35 ± 0.02

2.10(24) ± 0.31

Glc

Gal

0.96(24) ± 0.05

0.88(24) ± 0.25

40

9.08(60) ± 1.58

0.27 ± 0.03

1.14(24) ± 0.10

Glc

Gal

1.39(24) ± 0.05

0.44(48) ± 0.08

YPDXyl

30

16.5(24) ± 0.75

0.42 ± 0.03

1.64(24) ± 0.28

Glc

Xyl

0.94(24) ± 0.27

1.61(24) ± 0.09

37

16.0(36) ± 0.44

0.39 ± 0.02

1.50(24) ± 0.07

Glc

Xyl

0.97(24) ± 0.12

1.13(24) ± 0.29

40

11.7(60) ± 1.57

0.33 ± 0.04

1.09(24) ± 0.05

Glc

Xyl

1.46(24) ± 0.15

0.40(48) ± 0.12

YPDAra

30

7.61(24) ± 0.57

0.32 ± 0.03

1.02(12) ± 0.35

Glc

Ara

1.08(24) ± 0.24

0.09(24) ± 0.12

37

7.71 (24) ± 1.04

0.33 ± 0.04

1.07(12) ± 0.04

Glc

Ara

0.98(24) ± 0.15

0.22(24) ± 0.03

40

6.38 (36) ± 0.56

0.27 ± 0.00

1.12(24) ± 0.36

Glc

Ara

1.58(24) ± 0.15

0.17(36) ± 0.13

  1. Values in parentheses represent cultivation times that required for reaching the maximum values; ±,  SD from three independent experiments
  2. Max.Yp/s Maximum ethanol yield, Max.μx/s Maximum growth rate, Max.γs Maximum sugar utilization rate