枯草芽孢杆菌营养细胞在温度下降时relA基因非依赖性ppGpp的积累
Accumulation of relA gene-independent ppGpp in Bacillus subtilis vegetative cells upon temperature shift-down.
作者信息
Ikehara K, Okada H, Maeda K, Ogura A, Sugae K
出版信息
J Biochem. 1984 Mar;95(3):895-7. doi: 10.1093/oxfordjournals.jbchem.a134684.
Abstract
Both Bacillus subtilis BR16S (rel+) and BR16R (relA-) cells accumulated ppGpp after a temperature shift-down from 37 to 0 degree C. This indicates that a ppGpp accumulation system is present in B. subtilis vegetative cells, which is induced upon cold-shock treatment and is mediated by a relA gene-independent product.
摘要
枯草芽孢杆菌BR16S（rel+）和BR16R（relA-）细胞在温度从37℃降至0℃后均积累了ppGpp。这表明枯草芽孢杆菌营养细胞中存在一个ppGpp积累系统，该系统在冷休克处理时被诱导，且由一种不依赖relA基因的产物介导。
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