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題 名 | Identification of a Blue-Green Alga Arthrospira Maxima Using Internal Transcribed Spacer Gene Sequence=利用轉錄區間去氧核醣核酸序列鑑定藍綠菌種類Arthrospira Maxima |
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作 者 | 葉文吉; 陳金源; 陳怡君; | 書刊名 | 臺灣海洋學刊 |
卷 期 | 42:1 民93.12 |
頁 次 | 頁25-37 |
分類號 | 379.2 |
關鍵詞 | 藍綠菌; 轉錄區間; 基因序列; Blue-green alga; Arthrospira maxima; Internal transcribed spacer; ITS; Gene sequence; |
語 文 | 英文(English) |
中文摘要 | 一種未確定學名的螺旋狀藍緣色菌種,經光學顯微鏡、掃描式電子顯微鏡觀察外部型態,及穿透式電子顯微鏡內部細胞胞器等構造觀察後,併同16S-23S rRNA轉錄區間去氧核醣核酸序列比對,結果認為此一藍綠菌種類之學名為Arthrospira maxima。此一藍綠菌種在光學顯微鏡下呈螺旋狀,偶有直線型者。掃描式電子顯微鏡下觀查,菌體表面平滑,絲狀體(trichome)末端細胞圓形或囊蓋狀,此為Arthrospira maxima外部形態主要特徵。而穿透式電子顯微鏡顯示的內部細胞胞器等也具備Arthrospira maxima之基本構造。再利用此菌種16S-23S rRNA轉錄區間去氧核醣核酸序列和GenBank資料庫的其它種比對,結果顯示和Arthrospira maxima 100%相同。綜合上述各種方法所得結果,推論此一藍綠菌種為Arthrospira maxima。 |
英文摘要 | An unknown helical blue green alga, cultured in the Tungkang Marine Laboratory (Biotechnology Division), Fisheries Research Institute, was identified as Arthrospira maxima, using scanning and transmission electron microscopy and sequence comparison of ribosomal DNA between the regions of 16S-23S rRNA. Scanning electron microscopy shows that the end cells of the helical alga are round or calyptrate, which are mainly characters of Arthrospira maxima. Transmission electron microscopy shows that organelles and components in the cell of this specimen are all fundamental elements of Arthrospira maxima. Gene sequence between 16s and 23S rRNA containing both tRNA and tRNAAla in internal transcribed spacer reigon in the present specimen is identical to that of Arthrospira maxima registered in GenBank. Thus, we conclude that this algal specimen is Arthrospira maxima. |
本系統中英文摘要資訊取自各篇刊載內容。