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Although best known as a tool used to alter genomes in the laboratory, CRISPR–Cas can function in nature as a rudimentary immune system. About 40% of sampled bacteria and 85% of sampled archaea have CRISPR–Cas systems.
Although best known as a tool used to alter genomes in the laboratory, CRISPR–Cas can function in nature as a rudimentary immune system. About 40% of sampled bacteria and 85% of sampled archaea have CRISPR–Cas systems.