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Induction and Repression of l-Arabinose Isomerase in Bacteriophage-Infected Salmonella typhimurium

机译:诱导和抑制L-阿拉伯糖异构酶在噬菌体感染的沙门氏菌血球癌中的抑制和抑制

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The induction of l-arabinose isomerase in Salmonella typhimurium (LT2) is repressed on infection with clear plaque forming mutants (C1 and C2) of the temperate phage P22 (C+). However, after infection with C+ leading to lysogeny, there is a temporary repression. During this period, messenger ribonucleic acid (RNA) for l-arabinose isomerase accumulates. DNA-RNA hybridization data suggest that there is transcription of host DNA during the period of repression. Interference at the level of translation might be responsible for the cessation of induced enzyme synthesis.
机译:在用透明牙菌斑形成突变体的感染(C 1 和C 2 诱导抑制L-阿拉伯蛋黄酱(LT2)的诱导抑制在感染中温带噬菌体P22(C + )。然而,在用C + 导致溶酶体感染后,暂时镇压。在此期间,L-阿拉伯糖异构酶的信使核糖核酸(RNA)积累。 DNA-RNA杂交数据表明,在抑制期间存在宿主DNA的转录。在翻译水平的干扰可能负责诱导酶合成的停止。

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