Hymenolepis diminuta: protein synthesis in cysticercoids

Abstract
Incorporation of four amino acids into protein by stage V cysticercoids of Hymenolepis diminuta occurred in the order leucine > phenylalanine > alanine > proline. Leucine incorporation was apparently linear over a 5 h period in contrast to uptake which was non-linear over the same time. Pre-incubation in sugars did not affect protein synthesis but incorporation was inhibited by cycloheximide. Uptake and incorporation of leucine by stage III cysticercoids exceeded that of stage V metacestodes and the 10-day-old adult worm.