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http://dx.doi.org/10.5352/JLS.2007.17.3.328

Genetic Diversity and Population Structure of Liriope platyphylla (Liliaceae) in Korea  

Huh, Hong-Wook (Department of Biology Education, Busan National University)
Choi, Joo-Soo (Department of Molecular Biology, Dongeui University)
Lee, Bok-Kyu (Department of Molecular Biology, Dongeui University)
Huh, Man-Kyu (Department of Molecular Biology, Dongeui University)
Publication Information
Journal of Life Science / v.17, no.3, 2007 , pp. 328-333 More about this Journal
Abstract
Genetic diversity and population structure of eleven Liriope platyphylla (Liliaceae) populations in Korea were determined using genetic variation at 20 allozyme loci. The percent of polymorphic loci within the enzymes was 55.9%. Genetic diversity at the species level and at the population level was high(Hes = 0.178; Hep = 0.168, respectively), whereas the extent of the population divergence was relatively low ($G_{ST}$ = 0.064). $F_{IS}$, a measure of the deviation from random mating within the 11 populations, was 0.311. Total genetic diversity values ($H_T$) varied between 0.0 and 0.535, giving an average over all polymorphic loci of 0.323. The interlocus variation in within population genetic diversity ($H_S$) was high (0.305). An indirect estimate of the number of migrants per generation (Nm = 3.66) 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 0.988. It is highly probable that directional toward genetic uniformity in a relatively the homogenous habitat is thought to be operated among Korean populations of L. platyphylla.
Keywords
Genetic diversity; population structure; Liriope platyphylla;
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