[Malate dehydrogenase isoenzyme induction in an Acetabularia chloroplast fraction with nuclear transplants].

Changes in isozymes of malate dehydrogenase (MDH) in the chloroplast fraction under the transplantation of the A. crenulata nuclei in the A. mediterranea anuclear fragments were studied by means of electrophoresis in polyacrilamide gel. Within 30 days after the transplantation the nucleus induces in the chloroplast fraction MDH isozymes similar by the electrophoretic mobility with those of A. crenulata. The induction of such isozymes was observed both in the plants with the morphological characters of A. crenulata and the fragments which have not formed the reproductive caps, as well as under the transplantation of a small amount of cytoplasm from A. crenulata with chloroplasts in the anuclear fragments of A. mediterranea.