Quantitative Assessment of Gene Diversity and Between-Population Differentiation of Parthenogenetic Lizard of the Genus DarevskiaUsing Mini- and Microsatellite DNA Markers |
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Authors: | Petrosyan V G Tokarskaya O N Malysheva D N Ryskov A P |
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Institution: | (1) Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, 119071, Russia;(2) Institute of Gene Biology, Russian Academy of Sciences, Moscow, 119334, Russia |
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Abstract: | Methods of estimating within- and between-population gene diversity in parthenogenetic species using mini- and microsatellite DNA markers and modified Wright's F
ST statistic are presented with special reference to model populations of lizards of the genus Darevskia(D. dahli, D. armeniaca, D. unisexualis). We used DNA fingerprinting data for several populations of these species examined earlier. The effects of variation in M13 minisatellite, (GACA)
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- and (TCC)
n
-microsatellite loci on the formation of within-population gene diversity in parthenogenetic species D. dahli and D. armeniaca were shown to be different. The equality of the realized gene diversity Hand its maximum possible value H
max in two populations of D. dahli (H
max = 0.032, H = 0.031, P 0.0431; H
max = 0.024, H = 0.027, P = 0.09) and D. armeniaca (H
max = 0.05, H = 0.053, P = 0.03; H
max= 0.054, H = 0.055, P= 0.02) suggests that variation in (GACA)
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loci substantially contributes to the maintenance of within-population genetic diversity. Analysis of between-population genetic diversity using loci M13, (GACA)
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, and (TCC)
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showed differentiation of D. dahli populations from northeastern and northwestern Armenia (F
ST = 0.0272, P = 3 × 10–13) and genetic homogeneity of the Armenian and introduced to the Ukraine populations of D. armeniaca characteristic of one clone (F
ST = 0, P = 1). |
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Keywords: | |
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