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Updated: Feb 23, 2026

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通过使用功能化蛋白质聚合物来设计大肠杆菌的非指数增殖

Ronald Van Eyken1, Dries Oome1,2, Kevin Broux1

  • 1Department of Microbial and Molecular Systems, KU Leuven, Leuven, Belgium.

Nature communications
|February 21, 2026
PubMed
概括

研究人员设计了一种细菌底盘,用于控制线性增殖,将微生物生长限制在有限数量的世代内. 这项创新提高了转基因微生物在治疗应用中的安全性和可预测性.

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Stringent Response in E. coli01:23

Stringent Response in E. coli

Bacterial growth is closely tied to nutrient availability, with cells proliferating exponentially under favorable conditions and entering a stationary phase when resources become scarce. This transition is mediated by a regulatory mechanism known as the stringent response, which allows bacteria to adapt to nutrient deprivation by modulating gene expression and metabolic activity.During nutrient scarcity, intracellular amino acid levels decline. It results in the accumulation of uncharged tRNAs...
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