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題 名 | A Preliminary Study on Genetic Variability in Geographic Varicorhinus barbatulus Pellegrin Populations Revealed by Random Amplified Polymorphic DNA Analysis of Mitochondrial DNA Samples=臺灣鏟頜魚地理分布上的遺傳差異初步研究 |
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作 者 | 葉文吉; 許進隆; | 書刊名 | 國立屏東科技大學學報 |
卷 期 | 6:3 1997.09[民86.09] |
頁 次 | 頁175-181 |
分類號 | 387.109 |
關鍵詞 | 臺灣鏟頜魚; 隨機放大多型性去氧; 核醣核酸; 粒線體去氧核醣核酸; Varicorhinus barbatulus; Random amplified polymorphic DNA; RAPD; Mitochondrial DNA; mtDNA; |
語 文 | 英文(English) |
中文摘要 | 臺灣鏟頜魚(Varicorhinus barbatulus)魚體標本採自臺灣本島南部相近水系之 霧臺、寶來及北部之福山等三處山區河川,其魚體標準體長及體重關係式之斜率分別為 2.9110(霧臺),3.1076(寶來),2.8498(福山)。 從三處魚群肝臟萃取之粒線體去氧核醣核酸,其分子量經初步分析南部霧臺、寶來之 魚體和北部之福山有些微差異。當二十種商業引子(primers)被使用來作隨機放大多型性 去氧核醣核酸判別時,其中有四種引子產生南北不同圖型,三種引子形成三處魚群之相同 圖型,其餘十三種引子無法放大產生多型性圖樣。由多型性圖樣所計算出來的遺傳差距和 地理上的分布距離呈相關性。 |
英文摘要 | Fish samples (Varicorhinus barbatulus) were collected from three locations in Taiwan island. Fish collections from Wutai and Baulai are two populations in closer mountain stream systems in southern Taiwan; specimen from Fushan is a northern population. The slopes showing relationship between standard length and body weight in three fish populations are 2.91 10 (Wutai), 3.1076 (Baulai) and 2.8498 (Fushan). The estimated size of liver mitochondrial DNA from two southern populations indicated a small difference from that of the northern population. Genetic variability among three populations of V. barbatulus was shown when twenty primers were used for random amplified polymorphic mitochondrial DNA analysis. Four of the twenty primers created two kinds of band patterns between one northern and two southern populations. The similarity of polymorphism among three populations also occurred when another three of the twenty primers were used. The remaining thirteen primers did not amplify mitochondrial DNA from the three fish populations. The genetic distance among three populations is proportional to the geographic distance. |
本系統中英文摘要資訊取自各篇刊載內容。