73-6 食用紅甘蔗核糖體基因內轉錄間隔區之選殖與分析
研究彙報第七十三期 , Page 65-77,出版時間:2001- 12, 詳細內容
作者:陳裕星 曾勝雄 沈勳
本研究以引子 5’ –GTC CCT GCC CTT TGT ACA –3’ ; 5’ –CGC CGT TAC TAG GGG AAT CCT–3’ 可順利選殖出紅甘蔗部份核糖體基因及全長之內轉錄間隔區,長度共 821 鹼基,其中包括 18S 基因 142 鹼基, ITS1 206 鹼基, 5.8S 基因 164 鹼基, ITS2 217 鹼基以及 26S 基因 92 鹼基。依照 ITS 序列,高貴蔗與印度蔗、野生蔗及新幾內亞野生蔗親緣最為接近,跨屬比較時與芒屬序列最為接近。
關鍵字: 紅甘蔗、核糖體基因、內轉錄間隔區。
The internal transcribed spacer (ITS) was cloned with a primer pairs: 5’ –GTC CCT GCC CTT TGT ACA –3’ and 5’ –CGC CGT TAC TAG GGG AAT CCT–3’. A total 821 bp were cloned including partial sequence of 18S ribosomal DNA flanking ITS region (5’ end, 142 bp), full length ITS (587 bp), and partial sequence of 26S ribosomal DNA flanking ITS region (3’ end, 92 bp). The ITS sequence of Saccharum officinarum is most closely related to S. spontaneum and S. robustum in the genus Sacharum, while most closely related to Erianthus spp. when it was compared across genus.
Key words: Saccharum officinarum, ribosomal DNA, ITS.