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Genetic Variation of Pinus densiflora Populations in South Korea Based on ESTP Markers
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  • Journal title : Korean Journal of Plant Resources
  • Volume 28, Issue 2,  2015, pp.279-289
  • Publisher : The Plant Resources Society of Korea
  • DOI : 10.7732/kjpr.2015.28.2.279
 Title & Authors
Genetic Variation of Pinus densiflora Populations in South Korea Based on ESTP Markers
Ahn, Ji Young; Hong, Kyung Nak; Lee, Jei Wan; Hong, Yong Pyo; Kang, Hoduck;
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Genetic diversity and genetic differentiation of thirteen Pinus densiflora populations in South Korea were estimated using nine ESTP (Expressed Sequence Tag Polymorphism) markers. The numbers of allele and the effective allele were 2.2 and 1.8, respectively. The percentage of polymorphic loci (P) was 98.8%. The observed and the expected heterozygosity were 0.391 and 0.402, respectively, and the eleven populations except for Ahngang and Gangneung population were under Hardy-Weinberg equilibrium state. The level of genetic differentiation (Wright’s FST = 0.057) was higher than those of isozyme or nSSR markers. We could not find out any relationship between the genetic distance and geographic distribution among populations from cluster analysis. Also, the genetic differentiation between populations was not correlated with the geographic distance (r = 0.017 and P = 0.344 from Mantel test). From the result of FST-outlier analysis to identify a locus under selection, six loci were detected at confidence interval of 99% by the frequentist’s method. However, only three loci (sams2+AluⅠ, sams2+RsaⅠ, PtNCS_p14A9+HaeⅢ) were presumed as outliers by Bayesian method. The sams2+AluⅠ and sams2+RsaⅠlocus were originated from the sams2 gene and seemed to be the loci under balancing selection.
Population genetic structure;Genetic diversity;Genetic differentiation;FST-outlier;
 Cited by
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