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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.
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默茨于25日至26日对中国进行正式访问，来自汽车、化工、生物制药、机械制造、循环经济等德优势领域的约30家头部企业高管随访，充分体现了德方深化对华务实合作的强烈意愿。。关于这个话题，旺商聊官方下载提供了深入分析
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