Malic dehydrogenase isozymes: distribution in developing nucleate and anucleate halves of sea urchin eggs.
Nucleate and anucleate halves of sea urchin eggs have seven and five forms of L-malic dehydrogenase, respectively. Fertilization results in reduction of the number of enzyme forms in both halves. The normal complement of seven isozymes in unfertilized eggs appears to be a synthesis of five soluble and four particulate forms. Reduction in the number of isozymes after fertilization takes place principally in solutble forms and appears to be under cytoplasmic control.
D000818:Animals; D002467:Cell Nucleus; D004447:Echinodermata; D004586:Electrophoresis; D005260:Female; D005306:Fertilization; D007527:Isoenzymes / Q000032:analysis / Q000378:metabolism*; D008291:Malate Dehydrogenase / Q000032:analysis / Q000378:metabolism*; D010063:Ovum / Q000201:enzymology*; D012995:Solubility; D013053:Spectrophotometry
D007527:Isoenzymes; D008291:Malate Dehydrogenase