Photosynthesis of the Cyanidioschyzon merolae cells in blue, red, and white light.

Photosynthesis and respiration rates, pigment contents, CO compensation point, and carbonic anhydrase activity in Cyanidioschizon merolae cultivated in blue, red, and white light were measured. At the same light quality as during the growth, the photosynthesis of cells in blue light was significantly lowered, while under red light only slightly decreased as compared with white control. In white light, the quality of light during growth had no effect on the rate of photosynthesis at low O and high CO concentration, whereas their atmospheric level caused only slight decrease.