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.
牛犇認為，更可信的解釋是北京為了正當化對張又俠的清洗，編造了最嚴重的罪名，即便真實原因只是嚴重的腐敗和不忠。
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