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首页> 外文期刊>Mycologia >DISCORDANT GROUPINGS OF FUSARIUM SPP FROM SECTIONS ELEGANS, LISEOLA AND DLAMINIA BASED ON RIBOSOMAL ITS1 AND ITS2 SEQUENCES
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DISCORDANT GROUPINGS OF FUSARIUM SPP FROM SECTIONS ELEGANS, LISEOLA AND DLAMINIA BASED ON RIBOSOMAL ITS1 AND ITS2 SEQUENCES

机译：基于核糖体ITS1和ITS2序列的节肢动物，脂多糖和DLA病的镰刀菌SPP的不良分组

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摘要

Sequences of the internal transcribed spacers of the ribosomal DNA were used to compare 13 species from Fusarium sections Elegans, Liseola and Dlaminia. Two UPGMA similarity dendrograms based on the sequences of the ITS1 and ITS2 regions were discordant with each other. The dendrogram for ITS1 revealed a close similarity for most species except F. beomiforme and F. polyphialidicum. In contrast, species groupings based on the ITS2 sequences formed two main clusters that did not coincide with section boundaries. Group I consisted of Elegans (F. oxysporum), Liseola (Iii: sacchari var. sacchari, F. subglutinans and F. verticillioides) and Dlaminia (F. napiforme) along with Fusarium sp. isolate BBA 65467 and F. polyphialidicum. In group II Elegans (F. redolens), Liseola (F. fujikuroi and Ik: proliferatum) and Dlaminia (Ik: beomiforme, F. dlaminii and F. nygamai) clustered together. The two ITS2 groupings do not seem to accurately reflect the phylogeny of these fungi. [References: 36]
机译：核糖体DNA内部转录间隔区的序列用于比较镰刀菌部分线虫，Liseola和Dlaminia的13种。基于ITS1和ITS2区域的序列的两个UPGMA相似性树状图彼此不一致。 ITS1的树状图显示，大多数物种除F. beomiforme和F. polyphialidicum相似。相反，基于ITS2序列的物种分组形成了两个与剖面边界不一致的主要簇。第一组由线虫（F. oxysporum），Liseola（IIi：sacchari var。sacchari，F。subglutinans和F. verticillioides）和Dlaminia（F. napiforme）以及镰孢属组成。分离出BBA 65467和F. polyphialidicum。在II类线虫（F. redolens），Liseola（F. fujikuroi和Ik：proliferatum）和Dlaminia（Ik：beomiforme，F。dlaminii和F. nygamai）聚在一起。这两个ITS2分组似乎不能准确反映这些真菌的系统发育。 [参考：36]

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