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The effect of white blue and red light on the activity of glycolate oxidase of microbodies from etiolated wheat seedlings



The effect of white blue and red light on the activity of glycolate oxidase of microbodies from etiolated wheat seedlings



Fiziologiya Rastenii (Moscow) 24(4): 725-731



A mixture of organelles containing microbodies, mitochondria and proplastids was isolated from etiolated wheat seedlings by differential centrifugation. The activity of glycolate oxidase, an enzyme specific of microbodies, was assayed by polarography. This activity increased not only at low, but also at high, concentration of glycolate under the action of white, blue and red light. The latter case possibly involved mitochondria that oxidized the products of glycolate transformation. Blue light stimulated glycolate oxidation more than red light, and red light more than white light. The respiration of etiolated seedlings was found to be stimulated by white light in the presence of glycolate.

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Accession: 006659157

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