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פותח על ידי קלירמאש פתרונות בע"מ -
Regulation of glycogen synthase in Sclerotium rolfsii
Year:
1986
Source of publication :
Journal of General Microbiology
Authors :
פינס, מרק
;
.
Volume :
132
Co-Authors:
Shapira, R., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76100, Israel
Pines, M., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76100, Israel
Chet, I., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76100, Israel
Henis, Y., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76100, Israel
Facilitators :
From page:
765
To page:
770
(
Total pages:
6
)
Abstract:
Changes in glycogen, extracellular polysaccharides, glycogen synthase (EC 2.4.1.11) and cAMP were followed during growth of submerged mycelium of Sclerotium rolfsii. While glucose was present in the medium glycogen and extracellular polysaccharides accumulated to maximum levels of 40 μg (mg dry wt)-1 and 0.3 mg (mg dry wt)-1 respectively; they were degraded following glucose exhaustion. Neither glycogen nor extracellular polysaccharide concentrations were affected by increasing the glucose concentration in the growth medium from 0.5 to 1.5% (w/v). Following inoculation, both glucose-6-phosphate-dependent and glucose-6-phosphate-independent glycogen synthase activities increased during exponential growth, remained constant during the stationary phase as long as glucose was present in the medium, and declined rapidly after the exhaustion of glucose. The cAMP content of submerged cultures of S. rolfsii was 5 pmol (mg protein)-1; however, upon glucose exhaustion there was a sharp increase followed by a decrease to the initial basal level. The activity of glycogen synthase in crude extracts was increased by glucose 6-phosphate and inhibited by cAMP.
Note:
Related Files :
Cyclic AMP
fungus
Glycogen
glycogen synthase
nonhuman
polysaccharide
priority journal
עוד תגיות
תוכן קשור
More details
DOI :
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
Language:
אנגלית
Editors' remarks:
ID:
32608
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 01:11
Scientific Publication
Regulation of glycogen synthase in Sclerotium rolfsii
132
Shapira, R., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76100, Israel
Pines, M., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76100, Israel
Chet, I., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76100, Israel
Henis, Y., Department of Plant Pathology and Microbiology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76100, Israel
Regulation of glycogen synthase in Sclerotium rolfsii
Changes in glycogen, extracellular polysaccharides, glycogen synthase (EC 2.4.1.11) and cAMP were followed during growth of submerged mycelium of Sclerotium rolfsii. While glucose was present in the medium glycogen and extracellular polysaccharides accumulated to maximum levels of 40 μg (mg dry wt)-1 and 0.3 mg (mg dry wt)-1 respectively; they were degraded following glucose exhaustion. Neither glycogen nor extracellular polysaccharide concentrations were affected by increasing the glucose concentration in the growth medium from 0.5 to 1.5% (w/v). Following inoculation, both glucose-6-phosphate-dependent and glucose-6-phosphate-independent glycogen synthase activities increased during exponential growth, remained constant during the stationary phase as long as glucose was present in the medium, and declined rapidly after the exhaustion of glucose. The cAMP content of submerged cultures of S. rolfsii was 5 pmol (mg protein)-1; however, upon glucose exhaustion there was a sharp increase followed by a decrease to the initial basal level. The activity of glycogen synthase in crude extracts was increased by glucose 6-phosphate and inhibited by cAMP.
Scientific Publication
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