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Table 2 Maximum yield and molar yield of 9-OH-4-HP from ΔkstDΔhsd4AΔfadA5 and ΔkstDΔhsd4AΔfadA5-NK

From: Production of 9,21-dihydroxy-20-methyl-pregna-4-en-3-one from phytosterols in Mycobacterium neoaurum by modifying multiple genes and improving the intracellular environment

Phytosterols concentration (g L−1)

ΔkstDΔhsd4AΔfadA5

ΔkstDΔhsd4AΔfadA5-NK

Maximum yield (g L−1)

Maximum molar yield %)

Maximum yield (g L−1)

Maximum molar yield (%)

1

0.66 ± 0.02

78.9 ± 2.4

0.68 ± 0.04

81.2 ± 4.8

2

1.43 ± 0.06

84.8 ± 3.6

1.53 ± 0.06

90.8 ± 3.6

5

2.78 ± 0.11

66.4 ± 2.6

3.58 ± 0.15

85.5 ± 3.6

8

1.98 ± 0.08

31.5 ± 1.2

2.51 ± 0.14

38.5 ± 2.1

10

1.73 ± 0.09

20.7 ± 1.1

2.73 ± 0.19

32.6 ± 1.1