Dec 27 2025SCIENCE
The Oddball Protein in the CRISPR World
In the microscopic world, bacteria and viruses are locked in a constant fight. Bacteria have a defense mechanism called CRISPR-Cas, which acts like a shield against viruses. But viruses, or phages, have developed counterattacks. They produce proteins called anti-CRISPRs (Acr) to weaken this defense.
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