title: Morphometric and molecular characterizations of schistosome populations in Estuaire province Gabon.
abstract: The aim of this study was to test the hypothesis of the presence of hybrids between Schistosoma guineensis and S. haematobium in the Estuaire province (Western Gabon). Egg morphometry and single-stranded conformational polymorphism (SSCP) analysis on adult worms were used in order to characterize the schistosome populations of two sites. The morphology of the eggs showed three morphotypes: S. haematobium, S. guineensis and intermediate morphotypes, but the eggs of the morphotype S. guineensis were smaller compared to the values found in the literature. Furthermore, the SSCP analysis of the adult schistosomes showed that all the patterns corresponded to that of S. haematobium and gave evidence that hybrids were absent from our samples.
authors.affiliation: Laboratoire de Biologie et d'Ecologie Tropicale et Méditerranéenne, UMR 5244 CNRS-EPHE-UPVD, Université de Perpignan, Perpignan, France.
authors.forename: R
authors.initials: R
authors.lastname: Mintsa Nguema
authors.forename: K Mengue Ngou
authors.initials: KM
authors.lastname: Milama
authors.forename: M
authors.initials: M
authors.lastname: Kombila
authors.forename: D
authors.initials: D
authors.lastname: Richard-Lenoble
authors.forename: P
authors.initials: P
authors.lastname: Tisseyre
authors.forename: M
authors.initials: M
authors.lastname: Ibikounlé
authors.forename: H
authors.initials: H
authors.lastname: Moné
authors.forename: G
authors.initials: G
authors.lastname: Mouahid
mesh_terms: D000818:Animals; D018509:DNA, Helminth / Q000235:genetics; D021901:DNA, Intergenic / Q000235:genetics; D005243:Feces / Q000469:parasitology; D005681:Gabon; D006801:Humans; D010063:Ovum / Q000737:chemistry*; D018807:Polymorphism, Single-Stranded Conformational; D012547:Schistosoma / Q000737:chemistry / Q000235:genetics* / Q000254:growth & development / Q000302:isolation & purification; D012552:Schistosomiasis / Q000469:parasitology*; D012908:Snails / Q000469:parasitology; D014556:Urine / Q000469:parasitology
chemical_list: D018509:DNA, Helminth; D021901:DNA, Intergenic