ON ASYMMETRY OF LAMBDA INTEGRATION SITES

被引:51
作者
GUERRINI, F
机构
[1] Massachusetts Institute of Technology Cambridge, MA
基金
美国国家卫生研究院;
关键词
D O I
10.1016/0022-2836(69)90194-6
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
This work suggests that the attachment regions of Escherichia coli and λ do not carry identical recognition sites. This hypothesis is consequent to an analysis of the lysogenization pattern of the bacteriophages λdg and λ. A new λ particle has been isolated in order to test further this formal proposal. This particle is capable of co-transducing the bacterial markers gal and bio (λdgb). The analysis of the lysogenization pattern of λdgb confirms and extends the suggested dissimilarity of E. coli and λ recognition sites. Another proposal is made, namely, that the excision of the λ prophage is not a simple reversal of the integration process. © 1969.
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页码:523 / &
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