| Sucrose, Trehalose, UDP-Glucose metabolism | ||||
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Each female nematode requires
a tremendous amount of energy to produce 200 to 600 eggs, thus it acts
as an energy sink drawing off energy through the syncytium from the
soybean plant. Levels of sucrose and trehalose appear to be
elevated at later time points (6 and 8 days post invasion).
General scheme
ATP+Glucose Glucose 6-phosphate UTP+glucose 1-P ATP+ Fructose UDP-glucose + fructose 6-P sucrose phosphate synthase Sucrose 6'-phosphate +H2O
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Glucose
6-phosphate+ ATP hexokinase
glucose 1-phosphate phosphoglucomutase
UDP-glucose + PPi
glucose 1-P urylyltransferase
fructose 6-phosphate
fructokinase
Sucrose 6'-phosphate + UDP 
sucrose + Pi