Relationships between water chemistry and the physical chemistry of aquatic vectors of Bilharzia

Journal article

Williams, N. V. and Dussart, G.B.J. 1973. Relationships between water chemistry and the physical chemistry of aquatic vectors of Bilharzia. Parasitology. 67, p. vii.
AuthorsWilliams, N. V. and Dussart, G.B.J.
Abstract

Populations of Biomphalaria pfeifferi, (a vector of Schistosoma mansoni) and Bulinus (Physopsis) globosus Morelet (a vector of Schistosoma haematobium) collected from water of medium hardness and alkalinity in Rhodesia were cultured in the laboratory over several generations in hard, medium and soft water (soft water-up to 5 mg/L calcium; hard -over 20 mg/L calcium) Electrophoresis on cellulose acetate membrane of perivitelline egg protein of B.pfeifferi showed quantitative changes in three protein fractions when hard, medium and soft water populations were compared. After hydrolysis, egg proteins showed quantitative differences in one amino acid only, phenylalanine, when separated by thin-layer chromatography.

KeywordsWater chemistry; Biomphalaria pfeifferi; Rohdesia
Year1973
JournalParasitology
Journal citation67, p. vii
PublisherCambridge University Press
ISSN0031-1820
1469-8161
Publication dates
Print1973
Publication process dates
Deposited28 Jul 2025
Accepted author manuscript
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Restricted
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