Analysis of genetic diversity among selected populations of Phragmites australis world-wide

被引：59

作者：

Koppitz, H ^{[1
]}

机构：

[1] Humboldt Univ, Dept Biol Ecol, D-10099 Berlin, Germany

来源：

AQUATIC BOTANY | 1999年 / 64卷 / 3-4期

关键词：

reed population; genetic similarity; clonal distribution; PCR-fingerprinting; random amplified; polymorphic DNA (RAPD); Phragmites australis;

D O I：

10.1016/S0304-3770(99)00051-0

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Genetic diversity among reed (Phragmites australis) populations from 70 sites in Europe and from 12 sites in other continents was determined using the random amplified polymorphic DNA (RAPD) technique. Based on results from about 1000 reed samples screened with different primers, both polyclonal reed stands, where different clones co-exist either next to each other or intermingle, and monoclonal reed stands were found. Generally a higher diversity of clones was detected from sites on or near shore than in the water. Cluster analysis of genetic similarity coefficients from 30 to 80% demonstrated a high degree of genetic diversity among reed stands world-wide. Lower genetic diversity was detected among samples from any location, with coefficients ranging from 70 to 100%. In general, the genetic distances of investigated reed samples within Europe increase with increasing geographic distances. The reed samples from the other continents formed a separate major cluster in the phenogram. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：209 / 221

页数：13

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