Cytochemical localization of malate synthase in amphibian fat body adipocytes: possible glyoxylate cycle in a vertebrate. | Zendy

Wendy Davis | Zendy; Ruth G. Jones | Zendy; David B. P. Goodman | Zendy

Open Access

Cytochemical localization of malate synthase in amphibian fat body adipocytes: possible glyoxylate cycle in a vertebrate.

Author(s) -

Wendy Davis,

Ruth G. Jones,

David B. P. Goodman

Publication year - 1986

Publication title -

journal of histochemistry and cytochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.971

H-Index - 124

eISSN - 1551-5044

pISSN - 0022-1554

DOI - 10.1177/34.5.3701032

Subject(s) - malate synthase , glyoxylate cycle , glyoxysome , peroxisome , microbody , biochemistry , amphibian , biology , cytochemistry , malate dehydrogenase , enzyme , organelle , vertebrate , mitochondrion , microbiology and biotechnology , isocitrate lyase , chemistry , receptor , gene , ecology

The adipocytes of amphibian abdominal fat bodies contain typical microperoxisomes, as indicated by their fine structure. Electron microscopic cytochemistry showed that these organelles contain the enzymes catalase, typical for peroxisomes, and malate synthase. The latter is an enzymatic component characteristic of the glyoxylate cycle, a biochemical pathway known to exist in plant glyoxysomes (peroxisomes). This metabolic pathway makes possible the net conversion of lipid to carbohydrate. Toad adipocytes may represent yet another example of vertebrate peroxisomes which contain one of the marker enzymes (malate synthase) characteristic of the glyoxylate shunt.

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