Table 1 Accumulation of aromatic compounds by ∆vdhA, ∆vhyA, ∆mhdA and ∆omeA after 24 h of incubation

Coniferyl alcohol

Vanillic acid

–

–

4.78 ± 0.07

–

–

Methoxyhydroquinone

–

–

–

3.67 ± 0.14

–

Unknown compound^a

–

–

–

–

Detected

Ferulic acid

Vanillic acid

–

–

4.80 ± 0.09

–

–

Methoxyhydroquinone

–

–

–

3.93 ± 0.12

–

Unknown compound^a

–

–

–

–

Detected

Vanillyl alcohol

Vanillyl alcohol

1.79 ± 0.37

1.24 ± 0.25

2.13 ± 0.15

2.75 ± 0.14

0.63 ± 0.32

Vanillin

–

0.08 ± 0.04

–

–

0.02 ± 0.04

Vanillic acid

–

–

2.80 ± 0.06

–

–

Methoxyhydroquinone

–

–

–

3.13 ± 0.13

–

Unknown compound^a

–

–

–

–

Detected

Vanillin

Vanillin

–

4.02 ± 0.13

2.98 ± 0.75

0.29 ± 0.37

0.02 ± 0.04

Vanillyl alcohol

0.23 ± 0.05

0.64 ± 0.17

0.48 ± 0.09

–

0.49 ± 0.26

Vanillic acid

–

–

1.58 ± 0.71

0.07 ± 0.00

–

Methoxyhydroquinone

–

–

–

3.39 ± 1.28

–

Unknown compound^a

–

–

–

–

Detected

Vanillic acid

Vanillic acid

–

–

4.82 ± 0.19

0.80 ± 0.89

–

Methoxyhydroquinone

–

–

–

4.04 ± 0.41

–

Unknown compound^a

–

–

–

–

Detected

Veratryl alcohol

Veratryl alcohol

3.83 ± 0.34

3.73 ± 0.38

4.04 ± 0.18

3.76 ± 0.44

3.61 ± 0.67

Veratric acid

0.09 ± 0.02

0.65 ± 0.18

–

0.16 ± 0.07

0.08 ± 0.03

Vanillic acid

–

–

1.11 ± 0.05

–

–

Methoxyhydroquinone

–

–

–

2.11 ± 0.32

–

Unknown compound^a

–

–

–

–

Detected

Veratric aldehyde

Veratric aldehyde

0.62 ± 0.02

2.00 ± 0.19

0.76 ± 0.00

0.75 ± 0.05

0.70 ± 0.05

Veratric acid

0.17 ± 0.13

0.40 ± 0.04

–

0.39 ± 0.13

0.18 ± 0.10

Vanillic acid

–

–

3.48 ± 0.04

–

–

Methoxyhydroquinone

–

–

–

3.27 ± 0.30

Unknown compound^a

–

–

–

–

Detected

Veratric acid

Veratric acid

3.95 ± 1.06

4.27 ± 1.28

3.87 ± 1.14

1.51 ± 0.71

2.89 ± 1.24

Vanillic acid

–

–

2.39 ± 0.95

–

–

Methoxyhydroquinone

–

–

–

2.43 ± 0.54

–

Unknown compound^a

–

–

–

–

Detected