Hybridisation between the two major African schistosome species of humans.

T. Huyse, F. Van den Broeck, B. Hellemans, F.A.M Volckaert, K. Polman

Research output: Contribution to JournalArticleAcademicpeer-review


It is generally accepted that Schistosoma mansoni and Schistosoma haematobium, causing intestinal and urinary schistosomiasis, respectively, are not able to hybridise, due to the high phylogenetic distance between them. Cloning of nuclear internal transcribed spacer rDNA and partial mitochondrial cytochrome c oxidase 1 fragments revealed two internal transcribed spacer rDNA genotypes within single eggs and miracidia, one identical to S. mansoni and the other identical to S. haematobium, suggesting hybrid ancestry. The cytochrome c oxidase 1 clones always belonged to only one of the parental species. This demonstrates that offspring of heterologous pairing between these two species is not (always) parthenogenetic. © 2013 Australian Society for Parasitology Inc.
Original languageEnglish
Pages (from-to)687-9
JournalInternational Journal for Parasitology
Issue number8
Publication statusPublished - 2013


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