Claude finds a novel enzyme system like CRISPR

Anthropic introduced a new life sciences research group and laboratory and shared an early result: roughly 950 Claude agents spent 21 hours and 210 million tokens combing a massive DNA database and independently discovered a novel enzyme system with properties reminiscent of CRISPR, kept separate from anything previously reported.

What’s actually new

• A real discovery. The system, called array-associated reverse transcriptases (ART), sits in bacteriophages and pairs a reverse transcriptase with a long array of evenly spaced DNA repeats, a layout seen before only in programmable systems like CRISPR.
• Agents did the hunting. Scientists gave only the initial prompt and ran the lab work; Claude investigated distinct reverse transcriptase families, picked out 3,500 candidate systems from 200,000 enzymes, narrowed them to 20, and wrote human-readable reports.
• Outside validation. Feng Zhang, a CRISPR pioneer at MIT and the Broad Institute, called it an exciting example of how AI agents can contribute to biological discovery. Anthropic released a preprint with full details.

Why it matters

The finding shows general AI models can systematize discovery rather than just assist with it. Anthropic’s goal is a new way of doing biology research where agents collaborate with humans at every step. Whether ART becomes a programmable tool or not, this is early evidence that autonomous hypothesis generation can surface biology that human eyes missed.

(Original source: Anthropic)