Journal ArticleDOI
Strong genetic structure in Cameroonian populations of Bulinus truncatus (Gastropoda: Planorbidae), intermediate host of Schistosoma haematobium.
Félicité Djuikwo-Teukeng,Flobert Njiokou,L. Nkengazong,T. De Meeûs,A. Same Ekobo,Gilles Dreyfuss +5 more
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TLDR
The genetic structure of seven Cameroonian populations of the schistosome vector, Bulinus truncatus, was studied using four variable microsatellite loci, suggesting that restricted gene flow plays an important role in maintaining differentiation among snail populations in the transmission foci.About:
This article is published in Infection, Genetics and Evolution.The article was published on 2011-01-01. It has received 11 citations till now. The article focuses on the topics: Bulinus truncatus & Population.read more
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Natural regeneration of Fagus sylvatica L. adapts with maturation to warmer and drier microclimatic conditions
Silvija Bilela,Aikaterini Dounavi,Barbara Fussi,Monika Konnert,Jan Holst,Helmut Mayer,Heinz Rennenberg,Heinz Rennenberg,Judy Simon +8 more
TL;DR: It is concluded that natural selection and potential adaptation account for genetic changes and different genetic structures among the two adult populations in this case study.
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Self‐fertilization, long‐distance flash invasion and biogeography shape the population structure of Pseudosuccinea columella at the worldwide scale
Manon Lounnas,Ana C. Correa,Antonio A. Vázquez,A. Dia,Juan S. Escobar,Antoine Nicot,J. A. Arenas,Rolando Ayaqui,Marie-Pierre Dubois,T. Gimenez,A. Gutiérrez,Carolina González-Ramírez,Oscar Noya,Lucila Prepelitchi,Nelson Uribe,C. Wisnivesky‐Colli,M. Yong,Patrice David,Eric S. Loker,Philippe Jarne,Jean-Pierre Pointier,Sylvie Hurtrez-Boussès,Sylvie Hurtrez-Boussès +22 more
TL;DR: This study illustrates the population genetic consequences of biological invasion in a highly selfing species at very large geographic scale and discusses how such a large‐scale flash invasion may affect the spread of fasciolosis.
Journal ArticleDOI
Unravelling the riddle of Radix: DNA barcoding for species identification of freshwater snail intermediate hosts of zoonotic digeneans and estimating their inter-population evolutionary relationships.
Scott P Lawton,Rivka M. Lim,Juliet P Dukes,Stephen Kett,Richard T. Cook,Anthony J. Walker,Ruth S. Kirk +6 more
TL;DR: DNA barcoding, using cox1 and ITS2 sequences, identified populations of Radix auricularia and Radix balthica from specimens originally morphologically identified as Radix peregra from the UK, suggesting recent and multiple invasions from mainland Europe.
Journal ArticleDOI
Urinary Schistosomiasis in Asylum Seekers in Italy: An Emergency Currently Undervalued
Giancarlo Ceccarelli,Giancarlo Ceccarelli,Gabriella d'Ettorre,Flavia Riccardo,Carla Ceccarelli,Chiaretti M,Alice Picciarella,Laura Elena Pacifici,Vincenzo Vullo +8 more
TL;DR: The data show that the prevalence of the disease has been largely underestimated by European Surveillance Systems; in fact in a small population of young asylum seekers coming from endemic areas for schistosomiasis, a significant number of individuals with symptomatic disease are found.
Journal ArticleDOI
Population genetics of the Schistosoma snail host Bulinus truncatus in Egypt.
Rima Zein-Eddine,Félicité Flore Djuikwo-Teukeng,Y. Dar,Gilles Dreyfuss,Frederik Van den Broeck +4 more
TL;DR: Signs of gene flow and cross-fertilization are found, even between snails from the Nile Delta and Upper Egypt, indicating that B. truncatus can travel across large distances in Egypt, which could have serious consequences for disease epidemiology.
References
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Estimating F-statistics for the analysis of population structure.
Bruce S. Weir,C. Clark Cockerham +1 more
TL;DR: The purpose of this discussion is to offer some unity to various estimation formulae and to point out that correlations of genes in structured populations, with which F-statistics are concerned, are expressed very conveniently with a set of parameters treated by Cockerham (1 969, 1973).
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MEGA3: Integrated software for Molecular Evolutionary Genetics Analysis and sequence alignment
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Phylogenetic analysis. Models and estimation procedures.
TL;DR: This paper shows how suitable evolutionary models can be constructed and applied objectively and how the type of data will affect both the method of treatment and the validity of the results.
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Genetic Differentiation and Estimation of Gene Flow from F -Statistics Under Isolation by Distance
TL;DR: In this paper, the use of isolation by distance models as a basis for the estimation of demographic parameters from measures of population subdivision was re-examined, and the results for values of F-statistics in one-dimensional models and coalescence times in 2D models were provided.