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題 名 | 胡瓜自交系間同功異構酶變異性及其遺傳=Isozyme Variation and Inheritance in Inbred Lines of Cucumber (Cucumis Sativus L.) |
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作 者 | 陳福旗; 王妙珍; 張有朋; 楊偉正; 蕭吉雄; | 書刊名 | 中國園藝 |
卷 期 | 43:3 1997.09[民86.09] |
頁 次 | 頁269-280 |
分類號 | 435.263 |
關鍵詞 | 胡瓜; 自交系; 同功異構酶; 電泳; 變異性; 遺傳; 純度鑑定; Cucumber; Inbred lines; Isozymes; Electrophoresis; Polymorphism; Inheritance; Purity identification; |
語 文 | 中文(Chinese) |
中文摘要 | 利用澱粉膠體或聚丙烯醯氨膠體電泳分析胡瓜自交系的功異構酵素變異性,結果 有三種酵素具有多型性。蘋果酸去氫�t (MDH) 顯示 6-8 個條帶區,其命名依酵素之移動性 朝正極最快者為 1, 依此類推。 帶區 1 及 3 各有兩條移動性不同之條帶 (1a,1b;3a,3b) ;帶區 4 在本試驗中顯示一個條帶;帶區 2,5, 及 6 各為單條帶型;所有自交系均具有不 變的帶區 2; 另外在帶區 3、4、5、 6 也發現有不具酵素活性的空白區, 可能是由 null allele 所控制合成; 帶區 7 及 8 含一至數個條帶,其解析度較低,無法判斷是否具有變 異性;帶區 3,4,5 及 6 為子葉特異條帶,在本葉無法偵測到,屬於子葉特異同功異構�t。 依各自交系所含不同 MDH 條帶區之種類,可以分為三種類型 (A,B 及 C 型 )。 磷酸葡萄 糖酸去氫�t (PGD) 帶區可分為 PGD-1 及 PGD-2, 快速移動條帶區 (1) 具有兩個條具帶 (1a 及 1b), 因此不同自交系可依此將表現型分為 PGD-A 或 -B 型,慢速移動條帶區 (2) 之移動性在所有自交系均相同;在乾燥種子或幼苗子葉中均可染出 PGD 酵素活性。 莽草酸 去氫�t (SKDH) 有兩型,每型均由一群移動較快且較淡色及一條較慢且深染的條帶群組成, 兩 |
英文摘要 | Starch gel and polyacrylamide gel electrophoresis were used to analyse isozyme polymorphism in 15 inbred lines of cucumber (Cucumis sativus L.) and C. hardwickii inbred. Three enzyme systems were found to be polymorphic, including malate dehydrogenase (MDH) , 6-phosphogluconate dehydrogenase (PGD) , and shikimate dehydrogenase(SKDH). A null allele in the MDH-3 MDH-4, and MDH-5 activity zones, which belong to cotyledon specific isozymes, were detected in some inbred lines. Its mode of inheritance still needs to be elucidated. Genetic analyses of backcross and F �� generations showed that Mdh-1、 Pgd-1 and Skdh-1 were all inherited as a single locus with two alleles, respectively. Mdh-3 locus, when in non-null state, was also controlled by two alleles. |
本系統中英文摘要資訊取自各篇刊載內容。