Abstract
Rutilus rutilus caspicus is regarded as a valuable fish species both for angling and commercial food in Iran. This fish is also considered as a significant food source for beluga sturgeon. The genetic diversity of this fish species collected from two geographical areas (Gorgan Bay and Anzali Wetland) along the Iranian coastline of the Caspian Sea was examined using the analysis of randomly amplified polymorphic DNA (RAPD). Using 10 decamer primers, the total number of RAPD bands produced in both Gorgan Bay and Anzali Wetland populations were 94 bands. The percentages of polymorphic bands were comparable in Anzali Wetland (41.48%) and Gorgan Bay (43.61%), suggesting similar levels of polymorphism of the two populations to be used for establishing selective breeding programmes. The value of Nei's genetic distance (d=0.04) among populations was small, despite the large geographic separation. The data serve as a baseline analysis of current genetic diversity found among R. rutilus caspicus populations in Iran.
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