Claude reportedly finds a new enzyme system with CRISPR-like DNA repeats
Anthropic says the system’s function and potential medical uses remain unknown. It calls the finding the first result from its new molecular biology lab, where human scientists perform all lab work.
TLDR
Anthropic announced on September 23, 2026, that Claude had identified a previously unknown enzyme system in bacteriophages—viruses that infect bacteria. The company says repeating DNA beside the enzyme’s gene looks somewhat like CRISPR, but much more work is needed to understand its function and whether it could have similar uses.
Anthropic describes a workflow in which Claude studies data and literature to generate hypotheses, then human scientists review and test the most promising ideas. It calls the finding its new molecular biology lab’s first result.
One critic calls the repeat-pattern finding meaningful but argues that Anthropic gives too little credit to earlier human research identifying the enzyme and a nearby noncoding DNA region.
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