Difference in nitrate reduction in "light" and "dark" stages of synchronously grown Chlorella pyrenoidosa and resultant metabolic changes |
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Authors: | KANAZAWA, T. KANAZAWA, K. KIRK, M. R. BASSHAM, J. A. |
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Affiliation: | Chemical Biodynamics Laboratory, Lawrence Radiation Laboratory University of California, Berkeley, Calif. 94720, U.S.A. |
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Abstract: | Using synchronized cells of Chlorella pyrenoidosa, the incorporationpatterns of 14C into various metabolites with and without nitrogensources were studied under steady-state and non steady-stateconditions. From the patterns it was found that the smallestcells which are divided in the dark utilize nitrate and nitritevery little, if at all. The importance of ammonia for regulation of secondary flow forChlorella is discussed and the suggested regulatory points aredescribed. 1This work was sponsored, in part, by the U.S. Atomic EnergyCommission (Received January 26, 1970; ) |
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