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Biochemical composition and carbohydrate metabolism of the metacercariae of Clinostomum complanatum (Trematoda: Digenea)

Published online by Cambridge University Press:  18 November 2009

Afzal A. Siddiqui  and
Wajih A. Nizami
Afzal A. Siddiqui
Affiliation:
Section of Parasitology, Department of Zoology, Aligarh Muslim University, Aligarh-202001, India
Wajih A. Nizami
Affiliation:
Section of Parasitology, Department of Zoology, Aligarh Muslim University, Aligarh-202001, India
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Abstract

The biochemical composition of the metacercariae of Clinostomum complanatum is: free glucose 0·516% of wet wt (2·14% of dry wt), glycogen 4·39% of wet wt (18·30% of dry wt), protein 8·7% of wet wt (36·23% of dry wt), lipids 8·64% of wet wt (35·96% of dry wt), RNA 0·08% of wet wt (0·335% of dry wt) and DNA 0·035% of wet wt (0·145% of dry wt). The pattern of glucose uptake, glucose leakage and effect of starvation on the glycogen content is similar to that reported for adult digeneans. Lactic and pyruvic acids (1·478 and 0·019μimol/g wet wt/h respectively) were found in the incubates, suggesting the presence of an active carbohydrate metabolism. Protein and lipid metabolism are also discussed briefly.

Type
Research Article
Information
Journal of Helminthology , Volume 55 , Issue 2 , June 1981 , pp. 89 - 93
Copyright
Copyright © Cambridge University Press 1981

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