Schistosoma mansoni: changes in the rate of tyrosine uptake by unisexual females after stimulation by males and male extracts

The rate of uptake of H3 tyrosine by unisexual females in vitro was accelerated by 22% when male worm extract was added to the culture medium. Pairing of unisexual females with mature male worms in vitro resulted in a similar acceleration of H3 tyrosine uptake. As tyrosine is avidly taken up by the...

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Bibliographic Details
Published in:Journal of helminthology 1981-03, Vol.55 (1), p.33-37
Main Authors: Popiel, Irene, Erasmus, David A.
Format: Article
Language:English
Subjects:
Animals
Female
Kinetics
Male
Schistosoma mansoni - metabolism
Schistosoma mansoni - physiology
Sex Characteristics
Tyrosine - metabolism
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Summary:The rate of uptake of H3 tyrosine by unisexual females in vitro was accelerated by 22% when male worm extract was added to the culture medium. Pairing of unisexual females with mature male worms in vitro resulted in a similar acceleration of H3 tyrosine uptake. As tyrosine is avidly taken up by the vitelline gland for the formation of egg shell protein the change in the rate of H3 tyrosine uptake can be employed as a sensitive quantitative criterion for assessing its development following stimulation.
ISSN:0022-149X
1475-2697
DOI:10.1017/S0022149X00025438