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四种蘑菇5S核糖体RNA的核苷酸序列及其在研究担子菌在真核生物中的系统发育位置方面的应用。

The nucleotide sequences of the 5S rRNAs of four mushrooms and their use in studying the phylogenetic position of basidiomycetes among the eukaryotes.

作者信息

Huysmans E, Dams E, Vandenberghe A, De Wachter R

出版信息

Nucleic Acids Res. 1983 May 11;11(9):2871-80. doi: 10.1093/nar/11.9.2871.

Abstract

The nucleotide sequences of the 5 S ribosomal RNAs of the mushrooms Russula cyanoxantha, Pleurotus ostreatus, Agaricus edulis, and Auricularia auricula-judae were determined. The sequences fit in a universal five-helix secondary structure model for 5 S RNA. As in most other 5 S RNAs, some helical areas contain non-standard base pairs. A clustering method was used to reconstruct an evolutionary tree from 82 eukaryotic 5 S RNA sequences. It allows to make a choice between alternative systematic classifications for basidiomycetes and reveals that the fungal kingdom is highly polyphyletic.

摘要

测定了蓝黄红菇、糙皮侧耳、可食蘑菇和木耳的5S核糖体RNA的核苷酸序列。这些序列符合5S RNA通用的五螺旋二级结构模型。与大多数其他5S RNA一样,一些螺旋区域包含非标准碱基对。使用聚类方法从82个真核生物5S RNA序列重建进化树。这使得能够在担子菌的替代系统分类之间做出选择,并揭示真菌界具有高度的多系性。

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