I-SSR 분석에 의한 노각나무 천연집단의 유전변이
Genetic Variation in the Natural Populations of Korean Stewartia (Stewartia koreana Nakai) Based on I-SSR Analysis
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Abstract
- We investigated the genetic variation in Stewartia koreanaNakai by examining 61 I-SSR amplicons in 120individuals distributed among six natural populations in Korea. The overall percentage of polymorphic I-SSR ampliconswas 81.9% and mean number of amplicons per I-SSR primer was 12.2. Levels of genetic diversity within 6 populationswere similar each other[Shannon's Index: 0.3580.467(mean: 0.407)]. The Mt. Obong population had the highest levelof genetic diversity and was most distinctive from the other populations. Most variation existed among individualswithin population(88.2%). Genetic differentiation among populations(ST) was 0.118. The UPGMA dendrogram basedon the genetic distance failed in showing decisive geographic relationships.Key words -AMOVA, Genetic variation, Inter-simple sequence repeat(I-SSR), Stewartia koreana, UPGMA- 190 -- 191 -- 192 -