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

Published online by Cambridge University Press:  05 June 2009

Irene Popiel  and
David A. Erasmus
Irene Popiel
Affiliation:
Zoology Department, University College, Cardiff, Wales, UK
David A. Erasmus
Affiliation:
Zoology Department, University College, Cardiff, Wales, UK
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Abstract

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.

Type
Research Article
Information
Journal of Helminthology , Volume 55 , Issue 1 , March 1981 , pp. 33 - 37
Copyright
Copyright © Cambridge University Press 1981

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References

REFERENCES

Bell, E.J. & Smyth, J.D. (1958) Cytochemical and histochemical criteria for evaluation of development of trematodes and pseudophyllidean cestodes in vivo and in vitro. Parasitology, 48, 131–148.CrossRefGoogle Scholar
Bligh, E.G. & Dyer, W.J. (1959) A rapid method of total lipid extraction and purification. Canadian Journal of Biochemistry and Physiology, 37, 911–917.CrossRefGoogle ScholarPubMed
Erasmus, D.A. (1973) A comparative study of the reproductive system of mature, immature and unisexual females of Schistosoma mansoni. Parasitology, 67, 165–183.CrossRefGoogle ScholarPubMed
Erasmus, D.A. (1975) The subcellular localization of labelled tyrosine in the vitelline cells of Schistosoma mansoni. Zeitschrift fur Parasitenkunde, 46, 75–81.CrossRefGoogle ScholarPubMed
Shaw, J.R., Marshall, I. & Erasmus, D.A. (1977) Schistosoma mansoni; chemical stimulation in vitro and the development of the vitelline cell. Experimental Parasitology, 42, 14–20.CrossRefGoogle Scholar
Shaw, J. R. & Erasmus, D.A. (1980)Schistosoma mansoni: an examination of the reproductive status of females from single sex infections. Parasitology, In press.CrossRefGoogle Scholar