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KMID : 0613820060160010064
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Journal of Life Science
2006 Volume.16 No. 1 p.64 ~ p.70
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Genetic Diversity and Population Structure of Pyrola fauriena (Pyrolaceae) in Korea
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Huh Man-Kyu
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Abstract
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Starch gel electrophoresis was used to estimate genetic diversity and population structure of Pyrola fauriena H. Andr. in Korea. The percentage of polymorphic loci within enzymes was 57.1%. The values of genetic diversity at the species level and at the population were higher than average values for herbaceous with similar life history traits (Hes = 0.149; Hep = 0.134, respectively), whereas the extent of the population divergence was relatively low (G_(ST) = 0.082). F_(IS), a measure of the deviation from random mating within the 12 populations, was 0.298. An indirect estimate of the number of migrants per generation (Nm = 2.81) indicates that gene flow is moderate among Korean populations of the species. Analysis of fixation indices revealed a substantial heterozygosity deficiency in some populations and at some loci. This indicates that some populations sampled may have been substructured largely due to rhizotamous spread and decrease of population sizes.
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