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Anthropic Says Claude Agents Found a CRISPR-Like Enzyme System in Phage DNA

September 28, 2026 at 19:06 EDT

AI Agents
Research & Papers

Anthropic said its Claude model has helped identify a previously uncharacterized enzyme system in bacteriophages, the first disclosed result from the company’s new life sciences research group and Bay Area molecular biology lab. The company said the system, called array-associated reverse transcriptases, or ART, was found after roughly 950 Claude agents spent 21 hours searching DNA data with high-level direction from human scientists.

Sep 23, 2026 · Anthropic

Claude Finds an ART Lead

A multi-agent Claude campaign searched DNA data for reverse transcriptase systems and surfaced a CRISPR-like repeat array now called ART. Human scientists still ran the lab work and say the system’s function is unknown.

950

roughly Claude agents

hours of searching

210M

tokens used

final reports

The 21-hour search, drawn as time

21 hours

Each block represents one hour of the agent campaign that narrowed more than 200,000 reverse transcriptases into human-reviewable leads.

Discovery Loop

Search DNA

Agents scan reverse transcriptase families.

Flag anomaly

A repeat array appears beside an RT gene.

Human review

Scientists decide what merits testing.

Lab checks

Experiments probe whether the pattern is real.

Why it matters

AI agents can explore large biological search spaces and surface patterns humans may not have time to inspect manually.

What is not shown

ART is not yet a proven gene-editing tool, its function remains unknown, and the work still needs broader scientific scrutiny.

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