Electronic Resource
Oxford, UK
:
Blackwell Publishing Ltd
The @journal of eukaryotic microbiology
31 (1984), S. 0
ISSN:
1550-7408
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Biology
Notes:
Glycogen phosphorylase in Tetrahymena pyriformis was activated by a Mg2+ ATP-dependent process and this activation was further increased by the addition of cyclic AMP. When the enzyme activity in subcellular fractions was measured, it was largely associated with the glycogen fraction but was no longer activated by ATP and cyclic AMP. Mixing the glycogen fraction and cytosol fraction together restored the effects of ATP and cyclic AMP on phosphorylase activity. These findings suggest that glycogen phosphorylase associated with Tetrahymena glycogen granules may be regulated by cytosolic factor(s) with cyclic AMP.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1550-7408.1984.tb04309.x
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