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http://dx.doi.org/10.7732/kjpr.2013.26.5.619

Genetic Diversity and Structure of the Korean Rare and Endemic Species, Deutzia pdaniculata Nakai, as Revealed by ISSR Markers  

Son, Sung-Won (Plant Conservation Division, Korea National Arboretum)
Choi, Kyoung Su (Department of Life Science, Yeungnam University)
Park, Kyu Tae (Department of Life Science, Yeungnam University)
Kim, Eun-Hye (Plant Conservation Division, Korea National Arboretum)
Park, Seon Joo (Department of Life Science, Yeungnam University)
Publication Information
Korean Journal of Plant Resources / v.26, no.5, 2013 , pp. 619-627 More about this Journal
Abstract
Deutzia paniculata Nakai is a Korean endemic species that has a very restricted distribution in Gyeongsang-do, South Korea. The genetic diversity and structure of five populations of D. paniculata were investigated using 31 ISSR loci from six primers. The Shannon's index (0.429) and genetic diversity (0.271) were relatively higher than those of other rare plant species in Korea. The Miryang (MY) and Yangsan (YS) populations, which have higher flowering rates than the other populations, showed greater genetic diversity than the other populations. An analysis of the molecular variance (AMOVA) showed that 16% of the total variation could be attributed to differences among the populations, and 84% to the differences within populations, indicating moderate gene flow among adjacent populations. The high genetic diversity and low genetic differentiation in the Deutzia paniculata populations, which have a restricted distribution, is considered to be affected by outcrossing of the mating system and abundant individuals in the populations. These results suggest that ex situ conservation strategies are needed to sustain the current genetic diversity of D. paniculata.
Keywords
Deutzia paniculata Nakai; Endemic species; Genetic diversity and structure; ISSR; Ex situ conservation;
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