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J. Moll. Stud. (1989), 55, 405-410
© The Malacological Society of London 1989

research-article

ALLOZYME COMPARISONS AMONG SPECIES OF THE BULINUS FORSKALII GROUP (GASTROPODA: PLANORBIDAE) IN CAMEROON

REMY MIMPFOUNDI*, and GEORGE J. GREER{dagger}

Cameroon Schistosomiasis Project, IMPM, Yaounde, Cameroon; *Faculty of Science, General Biology Laboratory BP 18812, University of Yaounde, Yaounde, Cameroon; and {dagger}Department of Tropical Medicine, School of Public Health and Tropical Medicine Tulane University, New Orleans, Louisiana, USA

Send Correspondence to: Dr.Remy Mimpfoundi, Faculty of Science, BP 812, Yaounde, Cameroon

Allozyme comparisons were made for adult Bulinus forskalii, B. camerunensis, and B. senegalensis from populations in Cameroon using starch gel electrophoresis. Fifteen loci were examined but no differences were found between B. forskalii and B. camerunensis, bringing into question the validity of B. camerunensis as a separate species. Bulinus senegalensis differed from B. forskalii and B. camerunensis in allozymes for acid phosphatase, alpha-glycero-phosphate dehydxogenase, hydroxybutyrate dehy-drogenase, and phosphoglucomutase. No differences were found, as reported elsewhere, between B. forskalii and B. senegalensis for aspartate amino-transferase, isocitrate debydrogenase, phosphogluco-isomerase, and xanthine oxidise. No polymorphism was seen in B. camerunensis or various B. senegalensis populations examined. Three alleles for isocitrate dehydrogenase were observed for B. forskalii. Mixed populations of B. forskalii and B. senegalensis were found at four sites but no evidence of hybridization between these species was found.

(Received 9 May 1988; accepted 30 August 1988)


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