Table 1.

Growth and photosynthetic characteristics in WT, Pt43233:GFP1, and Pt43233-i1 cells determined in the standard seawater pH (8.2)

CO2	Cell	Doubling rate, times, d−1	Pmax,* μmol O2 mg−1 Chl h−1	K0.5[DIC],† μM	APC, μmol O2 L⋅μmol−1 DIC mg−1 Chl h−1
5% (vol/vol)	WT	0.64 ± 0.07	157.4 ± 11.2	697.3 ± 136.5	0.19 ± 0.08
	Pt43233:GFP1	0.52 ± 0.07	149.1 ± 1.6	428.5 ± 117.2	0.38 ± 0.13
	Pt43233-i1	0.41 ± 0.06	160.9 ± 15.9	757.7 ± 141.1	0.18 ± 0.15
Air	WT	0.92 ± 0.13	163.0 ± 0.9	36.0 ± 2.7	4.2 ± 0.7
	Pt43233:GFP1	0.80 ± 0.04	152.4 ± 7.6	30.6 ± 8.3	3.5 ± 0.9
	Pt43233-i1	0.52 ± 0.04	139.1 ± 19.3	168.9 ± 37.2	1.0 ± 0.4

All values are mean ± SD of the three separate experiments.

^*Maximum photosynthetic rate.

^†[DIC] to give half-maximum P_max.