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用线性化质粒对大肠杆菌recD菌株进行染色体转化。

Chromosomal transformation of Escherichia coli recD strains with linearized plasmids.

作者信息

Russell C B, Thaler D S, Dahlquist F W

机构信息

Institute of Molecular Biology, University of Oregon, Eugene 97403.

出版信息

J Bacteriol. 1989 May;171(5):2609-13. doi: 10.1128/jb.171.5.2609-2613.1989.

Abstract

Wild-type Escherichia coli are resistant to genetic transformation by purified linear DNA, probably in part because of exonuclease activity. We demonstrate that E. coli containing a recD mutation could be easily transformed by linearized plasmids containing a selectable marker. The marker was transferred to the chromosome by homologous recombination, whereas plasmid markers not in the region of homology were lost.

摘要

野生型大肠杆菌对纯化的线性DNA介导的遗传转化具有抗性,这可能部分归因于核酸外切酶活性。我们证明,含有recD突变的大肠杆菌能够被携带选择标记的线性化质粒轻易转化。该标记通过同源重组转移至染色体,而位于同源区域之外的质粒标记则会丢失。

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本文引用的文献

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Genetic transformation.遗传转化
Annu Rev Biochem. 1981;50:41-68. doi: 10.1146/annurev.bi.50.070181.000353.
2
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