Phylogenetic analyses of DNA sequences reveal species amongst isolates of Armillaria from Africa

被引：31
|
作者：
Coetzee, MPA [1 ]
Wingfield, BD
Bloomer, P
Wingfield, MJ
机构：
[1] Univ Pretoria, Dept Genet, TPCP, FABI, ZA-0002 Pretoria, South Africa
[2] Univ Pretoria, Dept Genet, MEEP, ZA-0002 Pretoria, South Africa
来源：
MYCOLOGICAL RESEARCH | 2005年 / 109卷
基金：
新加坡国家研究基金会; 美国安德鲁·梅隆基金会;
关键词：
D O I：
10.1017/S095375620500393X
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
The basidiomycete genus Armillaria causes root rot and death to woody plants in boreal, temperate and tropical regions of the world. Armillaria root rot has been described from various parts of Africa on many different hosts. However, very little is known regarding the evolutionary relationships among Artuillaria species in Africa.. The aim of this study was to determine the phylogenetic relationships between isolates originating from different regions in Africa using nDNA sequences from two non-coding gene regions. The ITS and the IGS-1 regions of the ribosomal DNA operon were sequenced and analysed using different phylogenetic tree searching methods. Phylogenetic trees grouped the African taxa in two strongly supported clades. One of these represented A. fuscipes and the other an undescribed but distinct species.
引用
收藏
页码：1223 / 1234
页数：12
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