Isoenzyme patterns as a tool in taxonomy of chlorococcal algae

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Abstract
From isolated lichen algae of the genus Trebouxia, De Puymaly isoenzymes of phosphoglucomutase, malate dehydrogenase and superoxide dismutase were studied by isoelectric focusing in hybrid immobilized pH gradients. Phosphoglucomutase has proven to be a suitable marker since it is highly variable whereas malate dehydrogenase and superoxide dismutase are less variable. The focusing patterns are species specific and provide a basis for a reevaluation of species classification of Trebouxia.