Chase Beisel (center) and Oleg Dmytrenko in the HIRI lab.
Chase Beisel ( center ) and Oleg Dmytrenko in the HIRI lab. Like a Swiss army knife: Researchers from Würzburg and the U.S. discover new type of CRISPR gene scissors. New publication in "Nature". Like humans, bacteria and archaea can be attacked by viruses. These microorganisms have developed their own immune defense strategies against their pathogens. Bacterial defenses, such as CRISPR-Cas systems, have diverse proteins and functions that help bacteria protect themselves against foreign invaders. The defense is based on a common mechanism: a CRISPR ribonucleic acid (crRNA), serving as a "guide RNA," helps detect regions of a foreign genome, such as the DNA of a virus, for targeted cleavage.
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