# Anthropic — Claude discovers a novel enzyme system with CRISPR-like repeats

- Company: Anthropic (anthropic.com)
- Announced: 2026-09-23
- Category: research-paper
- Coverage: 11 outlets
- Announcement: yes
- Group: covered
- Source: https://www.anthropic.com/news/claude-discovers-novel-enzyme-system
- Record: https://forck.live/items/13449-claude-discovers-a-novel-enzyme-system-with-crispr-like-repeats
- Subject: Claude
- Models affected: Claude

Anthropic introduced a new life sciences research group and laboratory focused on fundamental biology research using Claude, and shared early results in which Claude autonomously discovered a novel enzyme system with CRISPR-like properties. The system, called array-associated reverse transcriptases (ARTs), was identified after Claude agents searched a DNA database for 21 hours using 210 million tokens, and the findings are detailed in a pre-print. The lab operates at BSL-1 and BSL-2 biosafety levels and does not handle human-infecting pathogens.

## Evidence

Verbatim from https://www.anthropic.com/news/claude-discovers-novel-enzyme-system:

> After 21 hours spent searching this data by roughly 950 agents using 210 million tokens, one of the agents spotted something remarkable: a repeating pattern of DNA sequences that occurs next to the gene for an odd-looking RT. After further analysis and testing in our lab, we recognized that this pattern marked a previously uncharacterized enzyme system found in bacteriophages (the viruses that infect bacteria) that we call array-associated reverse transcriptases (ART).

## Around this story

Outlets this record can name and link:

- The Verge — Anthropic’s biolab made a discovery it’s comparing to Crispr: https://theverge.com/ai-artificial-intelligence/999470/anthropic-biolab-claude-crispr
- Quartz: https://qz.com/anthropic-claude-crispr-like-enzyme-system-bacteriophage-092426
- The Decoder — Anthropic says Claude discovered a new enzyme system, but CRISPR researchers call it routine genome mining: https://the-decoder.com/anthropic-says-claude-discovered-a-new-enzyme-system-but-crispr-researchers-call-it-routine-genome-mining
- Moneycontrol — Anthropic finds novel enzyme system with CRISPR-like repeats: CEO Dario Amodei says human-AI collaboration is driving biological discoveries: https://moneycontrol.com/technology/anthropic-finds-novel-enzyme-system-with-crispr-like-repeats-ceo-dario-amodei-says-human-ai-collaboration-is-driving-biological-discoveries-article-14037064.html
- Decrypt — Anthropic Says Claude Found Something Big in DNA. It Just Doesn't Know What: https://decrypt.co/379128/anthropic-claude-found-something-big-dna-doesnt-know-what
- The Independent — Anthropic says Claude has found something potentially transformative in our bodies: https://the-independent.com/tech/claude-anthropic-biology-dna-crispr-b3055582.html
- Blockchain News — Claude AI Discovers Novel Enzyme System with CRISPR-Like Features: https://blockchain.news/news/claude-ai-discovers-enzyme-crispr-like
- The Rundown AI — Anthropic's AI biology lab makes its first find: https://therundown.ai/articles/anthropic-ai-biology-lab-makes-its-first-find
- Phandroid: https://phandroid.com/2026/09/24/claude-found-something-that-would-have-taken-scientists-months
- Al Jazeera — AI model Claude discovers CRISPR-like enzyme system, Anthropic says: https://aljazeera.com/economy/2026/9/24/ai-model-claude-discovers-crispr-like-enzyme-system-anthropic-says
- RedState: https://redstate.com/ben-smith/2026/09/24/nthropic-warned-ai-could-kill-us-all-then-claude-found-a-crispr-like-enzyme-system-in-21-hours-n2207324

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