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The Korea Advanced Institute of Science and Technology (KAIST)

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Fig. A schematic model of the systematic strategy for engineering phage-sensitive industrial E. coli strains into strains with broad antiphage activities. Through the simultaneous genomic integration of a DNA phosphorothioation-based Ssp defense module and mutations of components essential for the phage life cycle, the engineered E. coli strains show strong resistance against diverse phages tested and maintain the capabilities of producing example recombinant proteins, even under high levels of phage cocktail challenge.

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Xuan Zou et al. of School of Pharmaceutical Sciences, Wuhan University, China, Ziran Mo et al. of the First Affiliated Hospital of Shenzhen University, China

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