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Korean J. Pl. Taxon > Volume 43(3); 2013 > Article
Korean Journal of Plant Taxonomy 2013;43(3): 236-243.
doi: https://doi.org/10.11110/kjpt.2013.43.3.236
한반도 아고산대 특산,희귀식물 설앵초의 유전적 다양성과 지리적 분화
정재민 , 손성원 , 김상용 , 박광우 , 김성식
Genetic diversity and geographic differentiation in the endangered Primula farinosa subsp. modesta, a subalpine endemic to Korea
Jae Min Chung, Sung Won Son, Sang Yong Kim, Gwang Woo Park, Sung Shik Kim
Abstract
Many plant species in subalpine regions are under threat of extinction as a result of climate change. In this study, the genetic diversity and geographic differentiation of three regions and six populations of Primula farinosa subsp. modesta (Bisset & Moore) Pax in Korea were assessed using the ISSR (Inter Simple Sequence Repeat) marker. The average genetic diversity (P = 60.62, SI = 0.299, h = 0.190) was relatively lower than that of other long-lived perennials, even though it is a self-incompatible species. AMOVA analysis showed that 50% of the total genetic diversity was partitioned among regions and Bayesian cluster analysis showed some remarkable geographic trends that were structured into 2 or 3 regions, suggesting limited gene flow among regions. Considering the population fragmentation, low level genetic diversity, and high genetic differentiation, it is essential to establish in situ and ex situ conservation strategies for P. farinosa subsp. modesta.
KeyWords: ISSR 표지자, alpine zone, endemic plant, Primula farinosa subsp. modesta, genetic diversity, ISSR marker
주요어: 아고산대, 특산식물, 설앵초, 유전적 다양성
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