Table 1.

Integration and modulation of MVA pathway genes for improving β-carotene production

Strainsa	OD600	ODb453	OD453/OD600	Increase of β-carotene yield- CAR001
QL105	4.22 ± 0.15	0.27 ± 0.01	0.06 ± 0.01
CAR001	4.05 ± 0.10	2.36 ± 0.06	0.58 ± 0.00	1.00 ± 0.00
CAR007 (184-EEM)	3.31 ± 0.05	2.43 ± 0.13	0.73 ± 0.04	1.26 ± 0.06
CAR008 (184-EEM)	3.32 ± 0.07	2.26 ± 0.09	0.68 ± 0.04	1.17 ± 0.07
CAR010	4.05 ± 0.05	2.45 ± 0.07	0.60 ± 0.01	1.03 ± 0.02
CAR011	4.11 ± 0.07	2.43 ± 0.05	0.59 ± 0.02	1.02 ± 0.03
CAR012	4.01 ± 0.07	2.93 ± 0.20	0.73 ± 0.05	1.26 ± 0.09
CAR013	3.91 ± 0.11	2.41 ± 0.12	0.62 ± 0.03	1.07 ± 0.05

^aThree repeats were performed for each strain, and the error bars represented standard deviation

^bAcetone-extracted β-carotene solution was concentrated 2 times for measuring the absorption at 453 nm