Abstract
A marine green alga,Chlamydomonas sp. strain MGA161 was cultivated under illumination of red and white lights. The growth rate under red light illumination was almost the same as that in the basic conditions under white light illumination, but red light-grown cells accumulated almost twice as much starch as white light-grown cells. Although there was a slight decrease in carbonic anhydrase activity, red light-illuminated cells had almost 2.3 times the fructose-l,6-diphos-phatase activity of white light-illuminated cells. Red light might stimulate starch accumulation by increasing the amounts of enzymes related to carbon fixation through the phytochrome system. Cells grown under red light degraded 1.6 times as much starch and produced 1.7 times as much hydrogen and 1.6 times as much ethanol compared with cells grown under white light during 12 h of dark anaerobic fermentation.
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Yagi, K., Hamada, K., Hlrata, K. et al. Stimulatory effect of red light on starch accumulation in a marine green alga,chlamydomonas sp. strain MGA161. Appl Biochem Biotechnol 45, 225–232 (1994). https://doi.org/10.1007/BF02941801
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DOI: https://doi.org/10.1007/BF02941801