饥饿诱导大肠杆菌对渗透挑战的交叉保护作用。
Starvation-induced cross protection against osmotic challenge in Escherichia coli.
作者信息
Jenkins D E, Chaisson S A, Matin A
机构信息
Department of Microbiology and Immunology, Stanford University, California 94305.
出版信息
J Bacteriol. 1990 May;172(5):2779-81. doi: 10.1128/jb.172.5.2779-2781.1990.
Abstract
Stationary-phase Escherichia coli cultures showed enhanced osmotic resistance as compared with cultures in mid-logarithmic growth or preadapted to osmotic stress. The osmotolerance that developed during starvation or osmotic adaptation required de novo protein synthesis. Of the 22 polypeptides induced during osmotic shock, five were also starvation proteins.
摘要
与对数中期生长的培养物或预先适应渗透胁迫的培养物相比，稳定期大肠杆菌培养物表现出增强的渗透压抗性。在饥饿或渗透适应过程中产生的渗透压耐受性需要从头合成蛋白质。在渗透休克期间诱导的22种多肽中，有5种也是饥饿蛋白。
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