Animal cells and systems

The Korean Society for Integrative Biology (한국통합생물학회)
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Genetic Variation in Geographically Peripheral Populations of Bupleurum euphorbioides (Apiaceae) with Comparison to a Widespread Congener, B. longiradiatum

  • Kim, Hui (Department of Medicinal Plants Resources, School of Biotechnology and Resources, Mokpo National University) ;
  • Chang, Chin-Sung (The Arboretum and Department of Forest Sciences and Products, College of Agriculture and Life Sciences)
  • Published : 2005.03.01
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Abstract

Bupleurum euphorbioides is isolated and restricted to high mountains in Korea northeastern China. Its conservation depends on whether it is threatened by inbreeding or a loss of genetic diversity. We compared the genetic variability in B. euphorbioides with B. longiradiatum, a widespread congener, to understand how they differ in their population genetic structure. Although B. euphorbioides showed a little lower genetic variability than B. longiradiatum, $F_{IS}$ statistics for most loci were strongly positive in both B. euphorbioides (0.445) and B. longiradiatum (0.553). In addition, B. euphorbioides showed higher mean $F_{ST}$ value than B. longiradiatum (0.297 vs 0.194). It might be due to the polycarpic nature of B. longiradiatum, which holds higher genetic potentials effectively in homogeneous environment than the monocarpic B. euphorbioides. The results suggested that B. euphorbioides is a genetically viable species, and that they are threatened primarily by environmental factor.

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References

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