查詢結果分析
來源資料
相關文獻
- 臺灣原生枇杷之遺傳親緣關係及分類研究
- Phylogenic Relationships in the Drosophila nasuta Species Group (Diptera: Drosophilidae): A RAPD Approach
- 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
- Molecular Phylogeny of Nitrogen-Fixing Unicellular Cyanobacteria
- Genetic Diversity and Relationship among Peach Cultivars Based on Random Amplified Microsatellite Polymorphism (RAMP)
頁籤選單縮合
題 名 | 臺灣原生枇杷之遺傳親緣關係及分類研究=Phylogenetic and Taxonomic Study of Native Eriobotrya in Taiwan |
---|---|
作 者 | 張坤城; 邱輝龍; 曾彥學; 鄧書麟; | 書刊名 | 臺灣農業研究 |
卷 期 | 61:1 2012.03[民101.03] |
頁 次 | 頁12-28 |
分類號 | 435.314 |
關鍵詞 | 臺灣枇杷; 薔薇科; ITS序列; matK序列; 親緣關係; Eriobotrya deflexa; Rosaceae; ITS sequences; matK sequences; Phylogeny; |
語 文 | 中文(Chinese) |
中文摘要 | 台灣原生枇杷屬(Eriobotrya)植物是枇杷作物的野生近緣種,廣泛分布於整個台灣。過去有被歸類為2個不同種、或3個不同變種、或3個不同型或被建議歸類為2個變種1個型。本研究利用核醣體DNA內轉錄區(internal transcribed spacers, ITS)序列、葉綠體內matK基因部分序列及葉部、花序與花粉粒等形態性狀探討台灣原生枇杷屬之分類地位。結果顯示,14份台灣原生枇杷屬植物均可獲得593個鹼基對(base pair)的ITS序列,僅有7個變異位點(variation sites),而matK基因部分序列658個鹼基對中並無任何的差異位點;以鄰接法所建構的親緣關係樹(phylogenetictree)指出台灣原生枇杷屬植物為單源群(monophyletic group),然卻無法有效區分台灣枇杷、武威山枇杷及恆春山枇杷等種下分類群。綜合前述資料表明台灣原生枇杷為同一個種,至於種下的分類群則有待其他分子層次的資料來釐清。 |
英文摘要 | The native Eriobotrya plants in Taiwan are the wild relative of loquat crop, and they distribute across the entire island of Taiwan. The taxon of native Eriobotrya in Taiwan was treated inconsistently in past decades, either as species, variety, or forma. This study was conducted to reassess the systematic status of native Eriobotrya plants in Taiwan by investigations of the internal transcribed spacers (ITS) region sequences of nuclear ribosomal DNA (nrDNA), partly matK gene sequences of chloroplast DNA (cpDNA), and morphological features of leaves, inflorescences, and pollens. Results of ITS sequences analysis showed that only 7 variation sites were detected in 593 base pairs (bp) of ITS sequences obtained from the 14 samples of Eriobotrya plants collected in Taiwan. In addition, no variation sites were detected in 658 bp of partial matK gene sequences. Phylogenetic analysis showed that the native Eriobotrya in Taiwan belonged to one monophyletic group which was well separated from other referenced taxa from National Center for Biotechnology Information (NCBI). However, the distinction among three taxa of the native Eriobotrya in Taiwan was still unclear. If affirmed by more other nucleotide sequences would support to clarify the taxon under Eriobotrya deflexa. |
本系統中英文摘要資訊取自各篇刊載內容。