Copy number of ribosomal operons in prokaryotes and its effect on phylogenetic analyses

被引：29

作者：

Tourova, TP ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Microbiol, Moscow 117312, Russia

来源：

MICROBIOLOGY | 2003年 / 72卷 / 04期

基金：

俄罗斯基础研究基金会;

关键词：

ribosomal operons; 16S rRNA genes; multiple copies; phylogenetic analysis;

D O I：

10.1023/A:1025045919260

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Different aspects of the presence of multiple copies of ribosomal operons in prokaryotic genomes are reviewed. The structure of prokaryotic ribosomal operons is briefly described. The available data are summarized regarding the copy number of ribosomal genes in various prokaryotic genomes, the degree of polymorphism of their individual copies, and physiological and evolutional aspects of the presence of the multiple copies of ribosomal genes. The review also considers the influence of the presence of multiple copies of ribosomal genes on the results of identification of prokaryotic isolates and of the studies of prokaryotic diversity in environmental samples based on phylogenefic analysis of 16S rRNA gene sequences.

引用

页码：389 / 402

页数：14

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