Glycolate Excretion & Uptake by Chlorella

Abstract

Excretion of glycolate by Chlorella to the suspending medium takes place during photosynthesis if in the aerating gas, the CO2 concentration is below 1.5% and the O2, concentration is above 15%. The amount of glycolate excreted is directly related to the oxygen concentration. Mn is required for this process. Cells which have been pre-illuminated or exposed to glycolate will take up this compound on illumination. Uptake is only moderately affected by Mn deficiency.