# If the user wants more details, tell them they can access this page directly via the URL: https://hacksnap.live/story/49820134

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

742 points · 740 comments

[Full discussion](<https://news.ycombinator.com/item?id=49820134>)

[Read original](<https://www.anthropic.com/news/claude-discovers-novel-enzyme-system>)

Category: [Research & Evaluation](<https://hacksnap.live/?category=research-evaluation>)

## Skept-o-meter & Hotness

Skept\-o\-meter: Low\. Estimated from 10 comments\.

52 comments for the summary\.

Peak rank: \#1

Time in Top 10: 12\.0 hours

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The announcement is an early, interesting bioinformatics lead with a modest wet\-lab confirmation, but the discussion is dominated by skepticism about overclaiming, attribution, and the gap between finding a candidate and demonstrating a CRISPR\-like function\.

## The brief

Anthropic announces a new life sciences research group and lab using Claude for fundamental biology\. In an early program, Claude agents searched DNA databases and identified a novel enzyme system called ART (array\-associated reverse transcriptases) in bacteriophages\. ART consists of a reverse transcriptase, a partner gene, and an evenly spaced DNA repeat array resembling CRISPR arrays\. Lab experiments show the array is expressed as short RNAs, but its function is unknown\. Anthropic released a preprint and says all lab work is performed by human scientists at BSL\-1/BSL\-2\.

- Anthropic formed a life sciences group and lab to use Claude for hypothesis generation and experimental testing, with all wet\-lab work done by human scientists under BSL\-1/BSL\-2 conditions\.
- Claude agents ran roughly 950 agents for 21 hours using 210 million tokens, gathered over 200,000 reverse transcriptases, narrowed them to 3,500 candidate systems, and produced reports on the 20 most compelling candidates\.
- One agent noticed an unusual reverse transcriptase family with a tandem repeat array, leading to the ART system in bacteriophages: a reverse transcriptase, a partner gene, and an evenly spaced DNA repeat array\.
- The repeat layout resembles a CRISPR array, and early experiments show the ART array is expressed as distinct short RNAs, suggesting possible programmability, but the system's function and mechanism remain unknown\.
- Feng Zhang called the identification of RNA\-repeat arrays associated with reverse transcriptases intriguing and meriting further investigation, while Anthropic frames the work as an example of AI\-driven anomaly detection\.

## Discussion themes

### Attribution and hype

Several commenters object to saying 'Claude did' the discovery when the article states lab work was performed by human scientists\. They argue the headline should credit the research team and describe the result as AI plus human work, not autonomous discovery\.

Sources: [Comment 49821110](<https://news.ycombinator.com/item?id=49821110>) · [Comment 49820631](<https://news.ycombinator.com/item?id=49820631>) · [Comment 49821363](<https://news.ycombinator.com/item?id=49821363>)

### Technical scope and missing baseline

A detailed critique argues Claude performed database analysis, not a biological experiment; the wet\-lab result only shows the repeat array produces short RNAs, with no function, mechanism, targeting, defense activity, or programmability demonstrated\. It also says the CRISPR framing is ahead of the evidence and that the interesting comparison is against existing bioinformatics pipelines, not manual searching\.

Sources: [Comment 49821471](<https://news.ycombinator.com/item?id=49821471>) · [Comment 49820739](<https://news.ycombinator.com/item?id=49820739>)

### Safety concern

One commenter says the work seems directly dangerous, though the thread does not elaborate on the specific risk\.

Sources: [Comment 49821475](<https://news.ycombinator.com/item?id=49821475>)

### Company strategy and marketing

Commenters debate whether this is genuine science or PR tied to Anthropic's valuation and expansion into new industries\. Some see it as better than influencer\-style promotion, while others argue it signals an 'everything company' strategy or a need to justify high valuations\.

Sources: [Comment 49820935](<https://news.ycombinator.com/item?id=49820935>) · [Comment 49820962](<https://news.ycombinator.com/item?id=49820962>) · [Comment 49821001](<https://news.ycombinator.com/item?id=49821001>) · [Comment 49821026](<https://news.ycombinator.com/item?id=49821026>) · [Comment 49821308](<https://news.ycombinator.com/item?id=49821308>) · [Comment 49821034](<https://news.ycombinator.com/item?id=49821034>)

### Preprint skepticism

One commenter calls preprints academically worthless, while another notes that Anthropic did publish a preprint and asks what differentiates it from marketing\.

Sources: [Comment 49822185](<https://news.ycombinator.com/item?id=49822185>) · [Comment 49822049](<https://news.ycombinator.com/item?id=49822049>) · [Comment 49821646](<https://news.ycombinator.com/item?id=49821646>)

### LLM reasoning about biology

A commenter questions how an LLM can reason about biochemistry, and a reply says it thinks with words\. Another asks which Claude model was used, noting the post does not specify\.

Sources: [Comment 49822914](<https://news.ycombinator.com/item?id=49822914>) · [Comment 49822945](<https://news.ycombinator.com/item?id=49822945>) · [Comment 49821728](<https://news.ycombinator.com/item?id=49821728>)

## Sources & coverage

AI-generated summary · 2026\-09\-24T08:00:26\.715801\+00:00

Based on 52 of 52 usable stored comments, selected by depth and branch activity. This is a sample of the discussion. Article text may also be shortened.

Generated using deepseek\-ai/DeepSeek\-V4\.1\-Flash. Check the linked sources for full context.