Kishony博士的小组的研究对象是两个大肠埃希杆菌的菌群，这种细菌使人类肠道内再普通不过的细菌了但有时也能引起人的食物中毒和尿路感染。

Dr Kishony's team studied two strains of E. coli, a common gut-bacterium that nevertheless sometimes causes food poisoning and urinary-tract infections.

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You infect them with the virus, and you let the cells, in culture, produce the virus.

再用病毒感染它们,使培养基中的细胞产生病毒

耶鲁公开课 - 生物医学工程探索课程节选