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利用携带启动子 - lac融合的λ噬菌体的Mu d1(lac Apr)溶原菌构建:λ ppheA - lac的分离

Construction from Mu d1 (lac Apr) lysogens of lambda bacteriophage bearing promoter-lac fusions: isolation of lambda ppheA-lac.

作者信息

Gowrishankar J, Pittard J

出版信息

J Bacteriol. 1982 Jun;150(3):1122-9. doi: 10.1128/jb.150.3.1122-1129.1982.

Abstract

Bacteriophage Mu d1 (lac Aprr) was used to obtain strains of Escherichia coli K-12 in which the lac genes are expressed from the promoter of pheA, the structural gene for the enzyme chorismate mutase P-prephenate-dehydratase. A derivative of bacteriophage lambda which carries the pheA-lac fusion was prepared; the method used is generally applicable for the construction, from Mu dl lysogens, of specialized transducing lambda phage carrying the promoter-lac fusions. A restriction enzyme cleavage map of lambda ppheA-lac for the enzymes HindIII and PstI is presented.

摘要

噬菌体Mu d1(lac Aprr)被用于获得大肠杆菌K - 12菌株,其中lac基因由分支酸变位酶P - 预苯酸脱水酶的结构基因pheA的启动子表达。制备了携带pheA - lac融合体的λ噬菌体衍生物;所使用的方法通常适用于从Mu dl溶源菌构建携带启动子 - lac融合体的特异性转导λ噬菌体。给出了λ ppheA - lac对于限制性内切酶HindIII和PstI的酶切图谱。

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