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[在两种不同大肠杆菌菌株中发现的R因子的接合性质]

[Conjugative properties of the R factors found in 2 different strains of Escherichia coli].

作者信息

Bel'kind A M

出版信息

Antibiotiki. 1979 Oct;24(10):761-4.

PMID:386939
Abstract

The transfer frequency of R124-17, RI, RI-19 and RP4 factors as dependent on the origin of the donor strain was studied. The transfer frequencies of these factors from E. coli W strains are much lower than those from the strains of E. coli K12. The effect is connected neither with the repression of the tra-genes, nor with the restriction enzymes activity against the alien DNA in the recipient bacteria.

摘要

研究了R124 - 17、RI、RI - 19和RP4因子的转移频率与供体菌株来源的关系。这些因子从大肠杆菌W菌株的转移频率远低于从大肠杆菌K12菌株的转移频率。这种效应既与tra基因的抑制无关,也与受体细菌中针对外来DNA的限制酶活性无关。

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