Biotechnology for Biofuels and Bioproducts

Table 2 Biomass and Asta accumulation in WT, KmR and BC cultures grown in the airlift PBRs

From: Engineering of the fast-growing cyanobacterium Synechococcus sp. PCC 11901 to synthesize astaxanthin

Strain	Growth (days)	Asta (mg/L)	dcw (g/L)	Asta/dcw (%)	Asta/car (%)	Chla/dcw (%)
WT	4	nd	3.47 ± 0.11	nd	nd	1.91 ± 0.10
WT	7	nd	7.80^a ± 0.19	nd	nd	1.76^a ± 0.07
KmR	4	nd	3.39 ± 0.18	nd	nd	1.94 ± 0.13
KmR	7	nd	7.83^a ± 0.36	nd	nd	1.72^a ± 0.13
BC	4	14 ± 4	3.17 ± 0.14	0.44^a ± 0.08	84.1^a ± 2.5	0.56 ± 0.14
BC	7	29 ± 4	6.59^b ± 0.15	0.44^a ± 0.04	86.7^a ± 3.1	0.61^b ± 0.10

nd not detected, dcw dry cell weight, car total carotenoids, Chla chlorophyll a; ± represents standard deviation. Statistical significance is expressed by different letters according to Tukey–Kramer test (n = 8)

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