Phylogenetic relationships of Chalara and allied species inferred from ribosomal DNA sequences

被引：27

作者：

Cai, Lei ^{[3
]}

Wu, Wen-Ping ^{[2
]}

Hyde, Kevin D. ^{[1
]}

机构：

[1] Mae Fah Luang Univ, Sch Sci, Tasud 57100, Chiang Rai, Thailand

[2] Novozymes AS, DK-2880 Bagsvaerd, Denmark

[3] Univ Hong Kong, Sch Biol Sci, Ctr Res Fungal Divers, Hong Kong, Hong Kong, Peoples R China

来源：

MYCOLOGICAL PROGRESS | 2009年 / 8卷 / 02期

关键词：

Anamorphic fungi; Chaetochalara; Fungal morphology; Phylogeny; EVOLUTIONARY RELATIONSHIPS; FUNGAL SUCCESSION; GENUS; GENERA; SSU; HELOTIALES; ANAMORPHS; TAXONOMY; SUBUNIT; ORDER;

D O I：

10.1007/s11557-009-0585-5

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The phylogenetic relationships of Chalara and allied taxa are studied based on ribosomal DAN sequences. Partial 28S rDNA and 18S rDNA regions from 26 strains were sequenced in this study. These and related sequences from GenBank were analyzed using parsimony and Bayesian analyses. Most of the Chalara species clustered in a strongly supported monophyletic lineage representing Helotiales. However, a few Chalara species appeared closely related to Xylariales. The phylogenetic significance of morphological characters observed in Chalara species are evaluated based on our sequence analyses. Conidial septation, conidial width and conidiophore pigmentation are thought to be indicative in understanding their evolutionary relationships. Sterile setae, which traditionally have been used to delimitate Chaetochalara from Chalara, are phylogenetically insignificant.

引用

页码：133 / 143

页数：11

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