Abstract
When colorless mutant cells of Chlorella vulgaris (Mutant No. 125) were starved in phosphate medium in darkness, rates of respiration and dark CO2 fixation were suppressed. Illumination of blue light to the starved mutant cells immediately enhanced CO2 fixation. Respiration was also enhanced after a lag period which lasted for several minutes. The main CO2 fixation product under blue light was aspartate (Kamiya, Miyachi 1974). The precursor of aspartate is presumably oxalacetate, formed as a result of C1-C3 carboxylation reaction. In contrast to the starved cells, those actively growing in the glucose medium showed only slight blue light effects.
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© 1984 Springer Science+Business Media Dordrecht
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Miyachi, S., Hirosawa, T., Tsuzuki, M. (1984). Regulation of Photosynthetic Carbon Metabolism in Microalgae by Wavelength of Incident Light and by CO2 Concentration. In: Sybesma, C. (eds) Advances in Photosynthesis Research. Advances in Agricultural Biotechnology, vol 3. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-4973-2_129
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DOI: https://doi.org/10.1007/978-94-017-4973-2_129
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