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首页> 外文期刊>Plasmid: An International Journal Devoted to Extrachromosomal Gene Systems >Rhizobium etli CFN42 contains at least three plasmids of the repABC family: a structural and evolutionary analysis.
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Rhizobium etli CFN42 contains at least three plasmids of the repABC family: a structural and evolutionary analysis.

机译:根瘤菌CFN42至少包含repABC家族的三个质粒:结构和进化分析。

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摘要

In this paper, we report the identification of replication/partition regions of plasmid p42a and p42b of Rhizobium etli CFN42. Sequence analysis reveals that both replication/partition regions belong to the repABC family. Phylogenetic analysis of all the complete repABC replication/partition regions reported to date, shows that repABC plasmids coexisting in the same strain arose most likely by lateral transfer instead of by duplication followed by divergence. A model explaining how new incompatibility groups originate, is proposed.
机译:在本文中,我们报告鉴定了根瘤菌CFN42质粒p42a和p42b的复制/分区。序列分析表明,两个复制/分区区域均属于repABC家族。迄今为止报道的所有完整的repABC复制/分区区域的系统发育分析表明,在同一菌株中共存的repABC质粒最有可能是通过横向转移而不是通过复制然后趋异而出现的。提出了一个模型,该模型解释了新的不兼容组是如何产生的。

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