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4In 2007, Barrangou et al. demonstrated for the first time the function of CRISPR/Cas9 as a defensive mechanism of bacteria against bacteriophage attacks by a technique called “plaquing” which builds upon the technique of “plating” bacteria on agar. Plaques of viruses on agar are areas without growth of bacteria due to viral attacks.，推荐阅读搜狗输入法下载获取更多信息
Paul does not know where he and his family will go next, but believes the chances of being able to live in neighbouring homes is slim.
More information will be added to the block with the most content until its capacity is full. The process repeats itself.