Revolutionary Gene-Editing Discovery by Anthropic’s Claude AI

In a significant demonstration of AI’s potential to revolutionize science, Anthropic announced on September 24, 2026, that its AI model, Claude, has autonomously discovered a new enzyme system in bacterial DNA. This discovery could represent an entirely new gene-editing mechanism, bearing a striking resemblance to the Nobel Prize-winning CRISPR tool.

The system, tentatively named Array-Associated Reverse Transcriptases (ART), was found in bacteriophage DNA through a large-scale analysis. Claude’s AI agents screened an astounding 200,000 reverse transcriptase sequences, narrowing down to 20 promising candidates after just 21 hours of processing data comprising 210 million tokens. One agent flagged a repeating DNA sequence next to an unusual gene — a pattern strikingly reminiscent of CRISPR’s characteristic repeat arrays.

The discovery was made by researchers at Anthropic’s newly established biology research lab in San Francisco. The ART system consists of three components: a reverse transcriptase, a partner gene beside it, and a long array of evenly spaced DNA repeat sequences — a layout that closely resembles a CRISPR array. Anthropic’s lab experiments confirmed the presence of the uncharacterized system, though its precise function remains under active investigation.

Feng Zhang, a CRISPR genome-editing pioneer and professor at MIT and the Broad Institute, reviewed the work and said the finding warrants further investigation. The news sent gene-editing stocks lower on Wall Street, as investors weighed the potential competitive disruption of a new AI-driven biotech paradigm.

CRISPR technology has already been credited with advancing treatments for diseases such as sickle cell disease and cancer — making this potential new analog an enormous area of scientific interest.

Source: Al Jazeera – AI model Claude discovers CRISPR-like enzyme system, Anthropic says