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首页> 外文期刊>Mycologia >The genus Chaetomium in Iran, a phylogenetic study including six new species
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The genus Chaetomium in Iran, a phylogenetic study including six new species

机译：伊朗的龟形目属，包括六个新种的系统发育研究

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摘要

Twenty-one species of Chaetomium known from Iran were compared on the basis of morphological and molecular characters. Six new species are recognized, five isolated from cereals and one from nematode cysts. A combined sequence dataset of the ITS region, partial LSU rDNA, and beta-tubulin gene sufficiently resolved five species groups of Chaetomium that are largely concordant with combined features of peridium structure, ascospore shape and germ pore position. Among the new species C. undulatulum is a close relative of C. globosum, C. rectangulare is close to C. (datum, C. interruptum and C. grande are close to C. megalocarpum, altogether forming the C. globosum species group. Chatomium iranianum and C. truncatulum are members of the C. carinthiacum species group, characterized by spirally coiled ascomatal hairs and fusiform ascospores. A chrysosporium-like anamorph is newly described for C. acropullum.
机译：根据形态和分子特征，比较了伊朗已知的21种Chaetomium。确认了6种新物种，其中5种是从谷物中分离出来的，一种是从线虫囊肿中分离出的。 ITS区域，部分LSU rDNA和β-微管蛋白基因的组合序列数据集充分解析了Chaetomium的五个物种组，这些物种组与peri结构，子囊形状和胚孔位置的组合特征基本一致。在新物种C. undulatulum中，C。globosum是近亲，C.rectanglee与C. globosum接近（C，interruptum和C. grande接近C. megalocarpum，共构成C. globosum物种组。 Chataniaium iranianum和C. truncatulum是C. carinthiacum物种组的成员，其特征是螺旋盘绕的无子藻毛和梭形子囊孢子，新描述了一种类似Csssporium的无性形变体。

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