頁籤選單縮合
題 名 | 利用微衛星序列作為臺灣落花生栽培種DNA分子標誌=Microsatellites as DNA Markers in Taiwan Cultivated Peanut |
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作 者 | 陳哲仁; 楊金興; 曾東海; 鄭統隆; 吳明哲; | 書刊名 | 臺灣農業研究 |
卷 期 | 56:3 2007.09[民96.09] |
頁 次 | 頁176-188 |
分類號 | 434.255 |
關鍵詞 | 落花生栽培種; 分子標誌; 簡單重複序列; Cultivated peanut; Arachis hypogaea L.; Molecular marker; Simple sequence repeat; SSR; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究主要目的爲建立國內落花生栽培種簡單重複序列(simple sequence repeat, SSR) DNA指紋資料與鑑定SSR基因座變異情形,一共選用國內12個落花生栽培種及97個SSR引子對,在77個可獲得清晰結果的SSR標誌觀測到102個條帶,其中有26個SSR基因蠻劉蒙品間互廷見多型陸,並且有13個品種專一陸條帶可供品種鑑定。另外,有6個SSR基因座進行解序確認對偶基因型態,結果顯示有多種類型的變異,包括單核酸多型性、重複序列套數以及不含重複序列基因座,顯示相較於其他分子標誌系統,SSR標誌在國內落花生栽培種呈現較高多型性比率。 |
英文摘要 | The objectives of this work were to establish simple sequence repeat (SSR) DNA fingerprinting database and characterized SSR polymorphism in local peanut cultivars (Arachis hypogaea L.). In this investigation, 12 peanut cultivars were analyzed by using 97 SSR primer pairs. Seventy-seven SSR markers showed clear patterns and a total of 102 bands were recorded. Twenty-six SSR loci revealed polymorphism 13 of them were specific for cultivar identification. The average number of alleles per locus was 1.74, and up to 6 alleles were found at one locus. Six SSR loci in tested cultivars were sequenced for allele identification. The results indicated that different type of variation in SSR loci, including single nucleotide polymorphism (SNP), tandem repeat numbers, and non-repeat sequence locus. The results revealed that SSR markers produced a higher level of DNA polymorphism than other DNA markers in cultivated peanuts. |
本系統中英文摘要資訊取自各篇刊載內容。