• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Mycologia >A re-evaluation of genus Chaetomidium based on molecular and morphological characters
【24h】

A re-evaluation of genus Chaetomidium based on molecular and morphological characters

机译：基于分子和形态学特征的Chaetomidium属的重新评估

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Chaetomidium, a genus in the Chaetomiaceae, comprises 12 species that produce similar cleistothecial ascomata with a membranous, mostly pilose, peridium. Approximately six species of this genus produce some type of modified peridium composed of cephalothecoid plates that previous authors have hypothesized to be a homologous character within the genus. To better understand the phylogenetic affiliations of Chaetomidium and distribution of the cephalothecoid peridium within this genus we performed phylogenetic analyses with LSU, beta-tubulin and rpb2 sequence data. The results of these analyses showed that Chaetomidium is polyphyletic and should be restricted to its type, C. fimeti, and C. subfimeti. The remaining cephalothecoid and non-cephalothecoid species were scattered throughout the Chaetomiaceae and Lasiosphaeriaceae. The cephalothecoid species of Chaetomidium were distributed in three unrelated clades, suggesting that the morphological similarity among these particular species resulted from convergence instead of ancestry.
机译：Chaetomidium是Chaetomiaceae的一个属，由12种产生类似的膜状鞘膜包膜的菌类组合组成。该属中大约有六种会产生某种类型的修饰过的蠕虫，这种蠕虫是由前类人推测为该类属的同源特征的类头孢菌素板组成的。为了更好地了解该属的Chaetomidium的系统发育关系和头孢类蠕虫的分布，我们使用LSU，β-微管蛋白和rpb2序列数据进行了系统发育分析。这些分析的结果表明，Chaetomidium是多系的，应限制在其类型，C。fimeti和C. subfimeti中。其余的头孢类和非头孢类物种分散在整个Chaetomiaceae和Lasiosphaeriaceae中。 Chaetomidium的头孢类物种分布在三个无关的进化枝中，这表明这些特定物种之间的形态相似性是由趋同而非祖先引起的。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号