Affiliation:
1. William G. Kerckhoff Laboratories of Biology, California Institute of Technology, Pasadena, California; Pioneering Research Laboratories, U.S. Army Quartermaster Corps, Philadelphia 45, Pennsylvania
Abstract
1. Activity corresponding to phosphoglucomutase, phosphohexoisomerase, aldolase, triosephosphate dehydrogenase, enolase and lactic dehydrogenase has been demonstrated in homogenates prepared from unfertilized sea-urchin eggs (Strongylocentrotus purpuratus and Lytechinus pictus).
2. The presence of cytochromes a and b1 has been confirmed. These cytochromes sediment in a relatively low centrifugal field.
3. No cytochrome c could be demonstrated, although cytochrome c is both reduced and oxidized by homogenates, and addition of cytochrome c increases the endogenous respiration and oxidation of succinate.
4. These results support the view that the usual glycolytic pathway operates in the sea-urchin egg and is the principal route of oxidation of carbohydrate.
Publisher
The Company of Biologists
Subject
Insect Science,Molecular Biology,Animal Science and Zoology,Aquatic Science,Physiology,Ecology, Evolution, Behavior and Systematics
Cited by
11 articles.
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