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.
Подъезд многоквартирного дома в Казани превратился в дворец Снежной королевы — вся лестничная клетка покрылась льдом. Об этом пишет Telegram-канал Mash Iptash.
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