Schistosoma mansoni, S. japonicum, S. haematobium: glycogen content and glucose uptake in parasites from fasted and control hosts.

摘要: The glycogen content of male and female Schistosoma mansoni has been measured in flukes from normally fed hosts those fasted hosts. In infections both the mouse hamster, a significant reduction schistosomal males is seen hours after food withdrawn host. Reductions protein schistosomes were only observed hamster at least 72 hr. livers infected mice not decrease size during fasting, but there concomitant per unit wet weight. Comparisons glycogen:protein ratios mansonian males, females, host indicate that fasting-induced loss liver also schistosome, female. Studies S. haematobium pairs suggest ratio contents schistosome correlates with partner. Measurements glucose uptake vitro greater rates may be perfused japonicum mice, was detected as early 6-hr fasting period, changes females significant. Unmated exhibit levels quantity worm present these remains higher than comparable mated males. entrained to regulated pattern available food, fluctuations observed, partners smaller magnitude. Data study reserves are more labile female, initial response reductions nutrients. Furthermore, shield nutritional stress, this manner provide for partner an optimal or protected microenvironment.