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首页> 外文期刊>Mycologia >Phylogenetic placement of the anamorphic tribe Ustidaginoideae (Hypocreales, Ascomycota)
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Phylogenetic placement of the anamorphic tribe Ustidaginoideae (Hypocreales, Ascomycota)

机译:系统发育的变形部落Ustidaginoideae(Hypocreales,子囊菌)

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摘要

Tribe Ustilaginoideae (Hypocreales, Ascomycetes) is made up of three anamorph genera, Munkia, Neomunkia and Ustilaginoidea. Species of Munkia and Neomunkia develop on the culms of bamboo (Chusquea spp.) and have a neotropical distribution while species of Ustilaginoidea infect the florets of various grasses and are pantropical in distribution. In this study we evaluated the phylogeny of the tribe and assessed hypotheses regarding its affinity to clavicipitalean teleomorphic groups. To support phylogenetic analyses, morphology of representatives of several key species of Ustilaginoideae was examined also. Phylogenetic analyses using sequences of the large subunit of the ribosomal RNA gene suggest that members of Ustilaginoideae are distinct from teleomorphic genera of Clavicipitaceae and that Ustilaginoideae should be recognized as a monophyletic group within Hypocreales. However, phylogenetic analyses did not resolve the placement of Ustilaginoideae in Clavicipitaceae or Hypocreaceae, suggesting that it might be a distinct lineage within Hypocreales. This evaluation supported the monophyly of tribes Balansieae and Clavicipeae in the family Clavicipitaceae.
机译:Ustilaginoideae部落(Hypocreales,Ascomycetes)由三个无性变形属Munkia,Neumunkia和Ustilaginoidea组成。 Munkia和Neomunkia的种类在竹(Chusquea spp。)的茎上生长,具有新热带分布,而Ustilaginoidea的种则感染各种草的小花,并且分布于全热带。在这项研究中,我们评估了部落的系统发育,并评估了其与锁骨拟远亲群体的亲和力的假设。为了支持系统发育分析,还检查了伞形科的几个关键物种的代表形态。使用核糖体RNA基因大亚基的序列进行的系统进化分析表明,伞形科的成员不同于锁骨科的同胚型属,并且应将伞形科认为是下鞭毛科中的单系类。然而,系统发育分析并不能解决伞形科或虎耳草科中伞形科的位置,这表明它可能是虎耳科内的一个独特的世系。该评价支持了Cl科(Clavicipitaceae)科中的Bal兰科(Balansieae)和棒果科(Clavicipeae)的一夫一妻制。

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