Summary
Synchronous, single generations ofBlastocladiella emersonii were grown along either the ordinary colorless or resistant sporangial plant pathways. Samples of cells were withdrawn at different developmental stages and glycogen was extracted, purified, debranched by isoamylase treatment, and its component unit chains separated by gel permeation chromatography. The elution profiles showed the distribution of unit chains. Average unit chain length was determined for plants at different developmental stages and shown to vary between 9 and 16. Some of these variations were correlated with other developmental events in the fungus.
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Abbreviations
- CL:
-
denotes the number of glucosyl units per unit chain of glycogen
- \(\overline {CL} \) :
-
denotes the average unit chain length of glycogen
- α :
-
Amylase or 1,4-α-d-glucan glucanohydrolase EC 3.2.1.1
- β :
-
Amylase or 1,4-α-d-glucan maltohydrolase EC 3.2.1.2
- Glucoamylase:
-
1,4-α-d-glucan glucohydrolase EC 3.2.1.3
- Glucose oxidase:
-
β-d-glucose:oxygen 1-oxidoreductase EC 1.1.3.4
- α :
-
Glucosidase orα-d-glucoside glucohydrolase EC 3.2.1.20
- Glycogen branching enzyme or 1,4-α-d-glucan:
-
1,4-α-D-glucan 6-α-(1,4-α-glucano)-transferase EC 2.4.1.18
- Glycogen phosphorylase or 1,4-α-d-glucan:
-
orthophosphateα-glucosyltransferase EC 2.4.1.1
- Glycogen synthase or UDP glucose:
-
glycogen 4-α-glucosyltransferase EC 2.4.1.11
- Isoamylase:
-
glycogen 6-glucanohydrolase EC 3.2.1.68
- Peroxidase or donor:
-
hydrogen-peroxide oxidoreductase EC 1.11.1.7
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Norrman, J., Wöber, G. & Cantino, E.C. Variation in average unit chain length of glycogen in relation to developmental stage in Blastocladiella emersonii. Mol Cell Biochem 9, 141–148 (1975). https://doi.org/10.1007/BF01751309
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DOI: https://doi.org/10.1007/BF01751309