Effects of Light on Growth and Glucose Consumption in Colorless Chlorella Mutant Cells

概要

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Light inhibited the growth and glucose consumption of colorless mutant cells of Chlorella vulgaris (# 125). Sugar consumption was also inhibited in a medium containing a hexose such as D-fructose, D-galactose and D-mannose. Blue light strongly inhibited growth and glucose consumption but red light only slightly affected them. Respiration was not inhibited by blue light. The inhibitions of growth and glucose consumption were saturated at light intensities as low as 800 mW・m^<-2> and continued in the dark for at least one day after briefillumination with white light. The half-maximum effect was observed with 15 min of illumination in both cases and the action spectra for light-induced inhibitions of growth and glucose consumption were similar, both showing peaks at 370, 457 and 640 nm. The role of light in the inhibitions of growth and glucose consumption is discussed.
日本植物生理学会の論文