从一名重症肠炎患儿分离出的大肠杆菌菌株中，菌毛表达的温度依赖性转录调控
Temperature-dependent transcriptional regulation of expression of fimbriae in an Escherichia coli strain isolated from a child with severe enteritis.
作者信息
Williams P H, Hinson G
出版信息
Infect Immun. 1987 Jul;55(7):1734-6. doi: 10.1128/iai.55.7.1734-1736.1987.
Abstract
Escherichia coli 469-3 synthesizes fibrillar fimbriae at 37 degrees C, but not at 18 degrees C, which promote its adherence to human colonocytes. RNA homologous with a cloned fragment of the strain 469-3 chromosome necessary for normal expression of fimbriae was virtually undetectable in bacteria grown at 18 degrees C, indicating that environmental temperature affects expression by regulating transcription.
摘要
大肠杆菌469 - 3在37摄氏度时合成纤维状菌毛，而在18摄氏度时不合成，这些菌毛可促进其对人结肠细胞的黏附。与菌株469 - 3染色体上正常表达菌毛所需的克隆片段同源的RNA在18摄氏度培养的细菌中几乎检测不到，这表明环境温度通过调节转录来影响表达。
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