大肠杆菌K-12苏氨酸操纵子中的操纵子组成型突变体。
Operator-constitutive mutants in the threonine operon of Escherichia coli K-12.
作者信息
Saint-Girons I, Margarita D
出版信息
J Bacteriol. 1975 Dec;124(3):1137-41. doi: 10.1128/jb.124.3.1137-1141.1975.
Abstract
Three Escherichia coli K-12 mutant strains resistant to DL-alpha-amino-beta-hydroxyvaleric acid were isolated in which the expression of the thr operon is constitutive. The localization and dominance properties of the mutations involved, called thrO, are those of operator mutations. The gene sequence is OABC as suggested by earlier studies.
摘要
分离出三株对DL-α-氨基-β-羟基戊酸具有抗性的大肠杆菌K-12突变菌株，其中苏氨酸操纵子的表达是组成型的。所涉及的突变（称为thrO）的定位和显性特性是操纵基因突变的特性。如早期研究所表明的，基因序列为OABC。
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