## Abstract Glucoseโ6โphosphate dehydrogenase, 6โphosphogluconate dehydrogenase, and glucoseโ6โphosphatase were quantitatively determined for the first time in glycogen body tissue from late embryonic and neonatal chicks. For comparative purposes, the activities of these enzymes were examined also
Glycogen synthetase and phosphorylase in developing chick glycogen body
โ Scribed by Benzo, Camillo A. ;De Gennaro, Louis D.
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- English
- Weight
- 240 KB
- Volume
- 188
- Category
- Article
- ISSN
- 0022-104X
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โฆ Synopsis
Abstract
Glycogen synthetase and phosphorylase activities were quantitatively determined for the first time in glycogen body tissue from late embryonic and neonatal chicks. For comparative purposes, these enzyme activities were examined also in skeletal muscle and liver from preโ and postโhatched chicks. The present data show that the forms of glycogen synthetase which exist in the chick glycogen body are similar to those found in both liver and muscle, while glycogen body phosphorylases more closely resemble those forms characteristic of skeletal muscle.
๐ SIMILAR VOLUMES
The glucose-induced switch between glycogen phosphorylase and glycogen synthase in the liver is investigated by means of a theoretical approach based on a minimal, bicyclic cascade model involving the reversible phosphorylation of the two enzymes. The aim of the analysis is to evaluate the contribut