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Natural relationship between bacteroides and flavobacteria.

机译:细菌和黄细菌之间的自然关系。

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Comparisons among 16S rRNA sequences from various eubacteria reveal a natural relationship between the bacteroides (represented by the Bacteroides fragilis sequence) and a phylogenetic unit that comprises the flavobacteria, cytophagae, flexibacteria, and others (represented by the Flavobacterium heparinum sequence). Although the relationship is not a close one, it is, nevertheless, specific. rRNAs from these two organisms are not only closer to one another in overall sequence than they are to outgroup species (such as Bacillus subtilis, Escherichia coli, Desulfovibrio desulfuricans, and Agrobacterium tumefaciens), but they show common idiosyncrasies (i.e., derived characteristics) in both rRNA sequences and higher-order structures.
机译:来自各种真细菌的16S rRNA序列之间的比较揭示了类细菌(由脆弱的拟杆菌(Bacteroides fragilis)序列代表)与包含黄细菌,细胞吞噬菌,弯曲杆菌和其他细菌(由黄杆菌属肝素序列代表)的系统发生单元之间的自然关系。尽管这种关系不是亲密的,但是它是特定的。来自这两种生物的rRNA不仅在整体序列上彼此更接近,而且与物种外群(如枯草芽孢杆菌,大肠杆菌,脱硫脱硫弧菌和根癌农杆菌)更为接近,但它们显示出共同的特质(即衍生特征)。 rRNA序列和高阶结构。

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