Hybridization between different strains of Schistosoma intercalatum Fisher, 1934 from Cameroun and Zaïre - PubMed

Hybridization between different strains of Schistosoma intercalatum Fisher, 1934 from Cameroun and Zaïre

F Frandsen. J Helminthol. 1978 Mar.

Abstract

The offspring from hybridization experiments between Schistosoma intercalatum, Cameroun (intermediate host Bulinus forskalii) and S. intercalatum, Zaïre (intermediate host B. globosus) was investigated. Reciprocal crosses between the two forms were performed. F1- and F2-miracidia developed in both parental intermediate hosts. The minimum prepatent period was 24 days at 26 degrees C, an average of the prepatent periods for the two parental strains. The total cercariae production per 100 exposed snails decreased sharply from 121 000 for the parental strain from Cameroun in B. forskalii to 21 000 and 5000 from the F1- and F2-generations, respectively. The figures for S. intercalatum, Zaïre in B. globosus were 270 000, 134 000 and 3000, respectively. F1- and F2-generations were from the cross between males from Cameroun and females from Zaïre. The viablility of the four cross-breeding experiments carried out (two with each combinations of the parental strains) were low. It was only possible to obtain F2-cercariae. No miracidia were hatched from eggs produced by the F2-gerneation.

Similar articles

• Experimental evidence of hybrid breakdown between the two geographical strains of Schistosoma intercalatum.

  Pagès JR, Southgate VR, Tchuem Tchuenté LA, Jourdane J. Pagès JR, et al. Parasitology. 2002 Feb;124(Pt 2):169-75. doi: 10.1017/s0031182001001068. Parasitology. 2002. PMID: 11862993

• Further studies on the compatibility between s. intercalatum from cameroun and zaïre and species of bulinus.

  Frandsen F. Frandsen F. Z Parasitenkd. 1979 Feb 28;58(2):161-7. doi: 10.1007/BF01951340. Z Parasitenkd. 1979. PMID: 433383

• [Schistosomiasis due to Schistosoma intercalatum and urbanization in central Africa].

  Ripert C. Ripert C. Bull Soc Pathol Exot. 2003 Aug;96(3):183-6. Bull Soc Pathol Exot. 2003. PMID: 14582292 Review. French.

• Schistosoma intercalatum: an endangered species in Cameroon?

  Tchuem Tchuenté LA, Southgate VR, Jourdane J, Webster BL, Vercruysse J. Tchuem Tchuenté LA, et al. Trends Parasitol. 2003 Sep;19(9):389-93. doi: 10.1016/s1471-4922(03)00193-4. Trends Parasitol. 2003. PMID: 12957514 Review.

Cited by

• Geographical Influence on Morphometric Variability of Genetically "Pure" Schistosoma haematobium Eggs from Sub-Saharan Migrants in Spain.

  Reguera-Gómez M, Valero MA, Artigas P, De Elías-Escribano A, Fantozzi MC, Luzón-García MP, Salas-Coronas J, Boissier J, Mas-Coma S, Bargues MD. Reguera-Gómez M, et al. Trop Med Infect Dis. 2023 Feb 27;8(3):144. doi: 10.3390/tropicalmed8030144. Trop Med Infect Dis. 2023. PMID: 36977146 Free PMC article.

• Mixed infections and hybridisation in monogenean parasites.

  Schelkle B, Faria PJ, Johnson MB, van Oosterhout C, Cable J. Schelkle B, et al. PLoS One. 2012;7(7):e39506. doi: 10.1371/journal.pone.0039506. Epub 2012 Jul 11. PLoS One. 2012. PMID: 22808040 Free PMC article.

• Schistosomiasis with a Focus on Africa.

  Aula OP, McManus DP, Jones MK, Gordon CA. Aula OP, et al. Trop Med Infect Dis. 2021 Jun 22;6(3):109. doi: 10.3390/tropicalmed6030109. Trop Med Infect Dis. 2021. PMID: 34206495 Free PMC article. Review.

• Observations on Schistosoma intercalatum in south-east Gabon.

  Brown DS, Sarfati C, Southgate VR, Ross GC, Knowles RJ. Brown DS, et al. Z Parasitenkd. 1984;70(2):243-53. doi: 10.1007/BF00942227. Z Parasitenkd. 1984. PMID: 6232768

MeSH terms

LinkOut - more resources

• Miscellaneous

  • NCI CPTAC Assay Portal