Abstract
Ultrastructural localization of succinate dehydrogenase, employed as a marker of the electron transfer chain, was studied in mouse liver mitochondria either in orthodox or condensed conformation. Activity of succinate dehydrogenase in the orthodox form mitochondria was localized primarily on the cristal membrane facing the matrix. A prolonged incubation time resulted in reaction product filling the intracristal space, whereas a short incubation time resulted also in a product which appeared mainly at opposite points on both sides of the crista. No such arrangement of the reaction product was noted in mitochondria in the condensed conformation. These findings, supported by studies of serial sections, suggest that the reaction product in orthodox form mitochondria appears in bands or coils surrounding the whole cristal membrane.
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Schedule a callMore From: The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society
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