POPULATION STRUCTURE OF BIOMPHALARIA GLABRATA, INTERMEDIATE SNAIL HOST OF SCHISTOSOMA MANSONI IN GUADELOUPE ISLAND, USING RAPD MARKERS

Autor:	Jean-Pierre Pointier, Bernard Delay, J. Langand, J. Jourdane, André Théron
Rok vydání:	1999
Předmět:	biology Host (biology) Zoology Snail Aquatic Science biology.organism_classification Canonical analysis RAPD Genetic marker Polymorphism (computer science) biology.animal Botany Biomphalaria glabrata Animal Science and Zoology Schistosoma mansoni
Zdroj:	Journal of Molluscan Studies. 65:425-433
ISSN:	1464-3766 0260-1230
DOI:	10.1093/mollus/65.4.425
Popis:	Nine populations of the snail Biomphalaria glabrata, sampled in 1992 and in 1994 in the Guadeloupean focus of schistosomiasis, were studied using random amplified polymorphic DNA (RAPD) markers. The detected polymorphism was low with 11 polymorphic markers. A canonical analysis of the genetic polymorphism showed a significant and large differentiation between the nine populations studied in a restricted area of 45 km 2 . A Mantel t-test indicated a significant correlation between the genetic differentiation and the geographical distance. A significant but smaller differentiation between a northern and southern group was also observed using canonical analysis. A comparison over time has been done.
Databáze:	OpenAIRE
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