根据核糖体DNA ITS序列分析苜蓿属的系统分类

被引：6

作者：

孙毅

梁爱华

王景雪

D.Z.Skinner

机构：

[1] 山西省农业生物技术研究中心

[2] 山西大学生物工程研究所

[3] 美国堪萨斯州立大学农学系太原

[4] 太原

[5] Manhattan

来源：

西北植物学报 | 2003年 / 02期

关键词：

苜蓿; 内转录间隔子; 系统分类; 序列分析;

D O I：

暂无

中图分类号：

Q949 [植物分类学（系统植物学）];

学科分类号：

摘要：

对苜蓿属28个种和1个草木樨种的核糖体基因的内转录间隔子区(internal transcribed spacer,ITS)的核苷酸序列变异做了分析。黄香草木樨被用作外类群。系统分析产生的进化树与该属传统分类基本一致。本研究提示,黄花苜蓿应与紫花苜蓿列入一种。M.hybrida,M.cancellata和M.prostrata是与栽培苜蓿亲缘关系较近的野生种。研究结果证实先前被称做胡卢巴属的植物种应被归于苜蓿属,而苜蓿属内的Heynianae、Platycarpae和Spiro-carpos等族的分类应予以重新考虑。

引用

页码：242 / 246

页数：5

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