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. 2004 May 11;101(20):7497–7498. doi: 10.1073/pnas.0402527101

Fig. 1.

Fig. 1.

A simplified scheme of inorganic carbon uptake and accumulation in C. reinhardtii. The putative function of RH1 as a chloroplast envelope-located CO2 channel is emphasized. The means by which Inline graphic is taken up across the plasmalemma, the chloroplast envelope, and the thylakoid, if any, is not known. Possible involvement of other components, including the mitochondrial-located CA, LIP-36, and pmp-1 (8, 13), is not indicated. For the sake of simplicity, diffusion of CO2 across the lipid bilayer of the various membranes is not shown. Rubisco, ribulose-1,5-bisphosphate carboxylase/oxygenase; PGA, 3-phosphoglyceric acid.