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題 名 | Allozyme Variation and Population Structure of Pyrola Japonica in Korea=在韓國境內Pyrola Japonica之同功酶變化和族群結構 |
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作 者 | Huh,Man Kyu; Chung,Su Dong; Huh,Hong Wook; | 書刊名 | Botanical Bulletin of Academia Sinica |
卷 期 | 39:2 1998.04[民87.04] |
頁 次 | 頁107-112 |
分類號 | 373.4 |
關鍵詞 | 基因多樣化; 族群結構; Genetic diversity; Population structure; Pyrola japonica; |
語 文 | 英文(English) |
中文摘要 | 酵素電泳法被用來估算在韓國境內之Pyrola japonica KLENZE之基因多樣化程度和族群結構。酵素範圍內之多型化基因座之百分比為58.8%。在種的層次和族群的層次的基因多樣化頗高(Hes=0.226;Hep=0.179),但是族群分化之程度卻相當低(Gst=0.143)。FIS,係量度14個族群內偏離逢機交配之程度,為0.184。間接估算每一代移居的數目顯示出在韓國境內此一品種族群間之基因流動性是中等的。而且,固定參數(fixation indices)之分析顯示在某些族群和在某些基因座缺少相當程度之相異結合子。這指出某些棌樣之族群可能主要是以根莖散佈因此限制了基因流動(搭配上先入者效應)和基因浮動。 |
英文摘要 | Enzyme electrophoresis was used to estimate genetic diversity and population structure of Pyrola japonica KLENZE in Korea. The percent of polymorphic loci within the enzymes was 58.8%. Genetic diversity at both the species level and at the population level was high (Hes=0.226' Hep=0.179, respectively) whereas the extent of the population divergence was relatively low (Gst=0.143). Fis, a measure of the deviation from random mating within the 14 populations, was 0.184. An indirect estimate of the number of migrants per generation (Nm=1.50) indicates that gene flow is moderate among Korean populations of the species. In addition, analysis of fixation indices revealed a substantial heterozygosity deficiency in some populations and at some loci. This indicates that some populations sampled may have been substructured largely due to rhizotamous spread and restricted gene flow coupled with founder effects and genetic drift. |
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