The high rate of respiration in Chlorella which is found after feeding with glucose or after a longer period of photosynthesis, declines in the dark in the course of hours to about a quarter of its original value. Blue-green light (λ<550 mμ) specifically counteracts this decline and maintains the high rate. This blue light effect is independent of photosynthesis.
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These studies were aided by grant No. NGR-10-004-018 from the United States National Aeronautics and Space Administration.
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Kowallik, W., Gaffron, H. Respiration induced by blue light. Planta 69, 92–95 (1966). https://doi.org/10.1007/BF00380214
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