查詢結果分析
相關文獻
- 以核內的內轉錄區間序列探討臺灣馬兜鈴屬之親緣關係
- 臺灣疫病菌Phytophthora melonis, P. drechsleri及P. cryptogea之形態、生理特性及ITS序列之比較
- Phylogenic Relationships in the Drosophila nasuta Species Group (Diptera: Drosophilidae): A RAPD Approach
- PCR-Mediated Detection of Ustilago Esculenta in Wateroat (Zizania Latifolia) by Ribosomal Internal Transcribed Spacer Sequences
- 杉木、香杉、柳杉及臺灣杉種間雜交性質之初步研究
- 利用trnL intron序列分析低等金縷梅類植物分子親緣
- Phylogenetic Position of Raphanus in Relation to Brassica Species Based on 5S rRNA Spacer Sequence Data
- 鰻魚地理分布的演化過程
- 臺北市立動物園黑猩猩族群STR血緣分析之研究
- Cloning and Nucleotide Sequence Analysis of a tuf Gene from Loofah Witches' Broom Phytoplasma
頁籤選單縮合
題 名 | 以核內的內轉錄區間序列探討臺灣馬兜鈴屬之親緣關係=Phylogenetic Relationships of Plants Belonging to the Genus Aristolochia (Aristolochiaceae) of Taiwan Based on Nuclear Internal Transcribed Spacer Sequences |
---|---|
作 者 | 黃思霖; 曾美珍; 黃介宏; 呂車鳳; | 書刊名 | 特有生物研究 |
卷 期 | 9:2 2007.07[民96.07] |
頁 次 | 頁19-27 |
分類號 | 373.92 |
關鍵詞 | 馬兜鈴屬; 內轉錄區間; 親緣關係; Aristolochia; Internal transcribed spacer; ITS; Phylogeny; |
語 文 | 中文(Chinese) |
中文摘要 | 馬兜鈴屬 (Aristolochia) 隸屬於馬兜鈴科,是重要的傳統中藥。已知臺灣地區分布6 種馬兜鈴屬植物包括瓜葉馬兜鈴 (Aristolochia cucurbitifolia)、異葉馬兜鈴 (A. heterophylla) 、大葉馬兜鈴 (A. kaempferi)、港口馬兜鈴 (A. zollingeriana)、蜂窩馬兜鈴 (A. foveolata) 和臺灣馬兜鈴 (A. shimadai)。近10 年來,植物系統分類學者利用形態特徵、化學組成和核型來建構本屬內種間之分類地位,然而其結果存在一些爭議。本研究以細胞核內轉錄區間 (internal transcribed spacer, ITS) 序列作為分子遺傳標誌,分析6 種馬兜鈴植物ITS序列之間的遺傳差異並重建種間之親緣關係。結果顯示本屬植物之內轉錄區間序列總長度介於661bp( 港口馬兜鈴)-690bp( 臺灣馬兜鈴),全段序列G + C 鹼基組成約63.7%。港口馬兜鈴與異葉馬兜鈴間的遺傳距離最高,為0.609;大葉馬兜鈴與臺灣馬兜鈴間最近緣,遺傳距離為0.007 。以聚類分析法建構之親緣樹狀圖,臺灣的馬兜鈴可區分為兩大群,第一群包括港口馬兜鈴和蜂窩馬兜鈴,其餘4種則形成另一系群。 |
英文摘要 | Plants o fthe genus Aristolochia (Aristolochiaceae) are important Chinese traditional herb-medicines. There are six species that have been described from Taiwan: Aristolochia cucurbitifolia, A. heterophylla, A. kaempferi, A. zollingeriana, A. foveolata and A. shimadai. Their taxonomic status and systematic relationshipshavebeenanalyzedinthelastdecadebymeansoftheirkaryotypes,morphologicalcharacters and chemical constituents, but controversies still remained. We analyzed sequence differences in the internal transcribed spacers (ITS) of the six species, and reconstructed their phylogenetic relationships. The ITS sequences varied in lengths between 661 bp for A. zollingeriana and 690 bp for A. shimadai, while their G+C contents occupied approximately 63.7%. Genetic distances ranged 0.007 between A. kaempferi and A. shimadai, and 0.609 between A. zollingeriana and A. heterophylla. The phylogenetic tree reconstructed with the neighbor-joining method revealed that Taiwan's Aristolochia is divided into two groups: A. zollingeriana and A. foveolata as a group (clade) and A. cucurbitifolia, A. heterophylla, A. kaempferi and A. shimadai as another group (clade). |
本系統中英文摘要資訊取自各篇刊載內容。