Impact of recombination on bacterial evolution

被引:256
作者
Didelot, Xavier [1 ]
Maiden, Martin C. J. [2 ]
机构
[1] Univ Warwick, Dept Stat, Coventry CV4 7AL, W Midlands, England
[2] Univ Oxford, Dept Zool, Oxford OX1 3SY, England
基金
英国惠康基金;
关键词
ESCHERICHIA-COLI CHROMOSOME; POPULATION-STRUCTURE; POSITIVE SELECTION; STREPTOCOCCUS-PNEUMONIAE; STAPHYLOCOCCUS-AUREUS; NATURAL-POPULATIONS; MOLECULAR EVOLUTION; GENETIC DIVERSITY; BACILLUS-CEREUS; CRYPTIC CLADES;
D O I
10.1016/j.tim.2010.04.002
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Genetic exchange plays a defining role in the evolution of many bacteria. The recent accumulation of nucleotide sequence data from multiple members of diverse bacterial genera has facilitated comparative studies that have revealed many features of this process. Here we focus on genetic exchange that has involved homologous recombination and illustrate how nucleotide sequence data have furthered our understanding of: (i) the frequency of recombination; (ii) the impact of recombination in different parts of the genome; and OM patterns of gene flow within bacterial populations. Summarizing the results obtained for a range of bacteria, we survey evidence indicating that the extent and nature of recombination vary widely among microbiological species and often among lineages assigned to the same microbiological species. These results have important implications in studies ranging from epidemiological investigations to examination of the bacterial species problem.
引用
收藏
页码:315 / 322
页数:8
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