Table 3 Specific production (μg/g_CDW) of different γ-lactones by engineered A. gossypii strains

γ-Octalactone

–

(1.3 ± 0.2)^a × 10²

–

(1.1 ± 0.1)^a × 10²

–

(3.2 ± 1.0)^d × 10¹

γ-Nonalactone

–

6 ± 2

–

3 ± 0

–

–

γ-Decalactone

(1.2 ± 0.1)^a × 10³

(7.4 ± 0.8)^e × 10³

98.0 ± 0.2 ^a

(2.9 ± 0.3)^c × 10³

(4.9 ± 0.5)^e × 10³

97.7 ± 0.2 ^a

(8.8 ± 2.9)^a × 10²

(5.0 ± 0.5)^e × 10³

99.3 ± 0.1 ^e

γ-Undecalactone

–

3 ± 1

–

2 ± 0

–

2 ± 1

γ-Dodecalactone

3 ± 1^a

(1.4 ± 0.3)^b × 10¹

2 ± 0^a

3 ± 0^a

3 ± 1^a

2 ± 1^a