Allozyme variation and population structure of Chimaphila japonica in Korea

概要

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Enzyme electrophoresis was used to estimate genetic diversity and population structure of Chimaphila japonica Miquel in Korea. The percent of polymorphic loci within the enzymes was 66.7%. Genetic diversity at the species level and at the population level was high (Hes = 0.279; Hep = 0.256, respectively), whereas the extent of the population divergence was relatively low (GST = 0.086). FIS, a measure of the deviation from random mating within the 16 populations, was 0.374. An indirect estimate of the number of migrants per generation (Nm = 2.65) indicates that gene flow is high among Korean populations of the species. In addition, analysis of fixation indices revealed a substantial heterozygosity deficiency in some populations and at some loci. Mean genetic identity between populations was 0.973. It is highly probable that directional toward genetic uniformity in a relatively homogenous habitat is thought to be operated among Korean populations of C. japonica.
日本遺伝学会の論文