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Anthropic’s Claude Flags CRISPR‑Like System in Phage DNA

Anthropic published a preprint reporting human‑run lab tests that detected short RNAs from the repeat array and that the system’s function and utility remain unproven.

Overview

  • Anthropic says Claude deployed roughly 950 autonomous agents over about 21 hours on Sept. 23 to scan genomic databases and narrow more than 200,000 reverse transcriptase sequences to a short list of candidates.
  • The flagged candidate, named ART for array‑associated reverse transcriptases, pairs a reverse transcriptase, an adjacent accessory gene, and a long array of evenly spaced noncoding DNA repeats.
  • Human scientists in Anthropic’s Bay Area BSL‑1/2 wet lab performed initial experiments that showed the ART repeat array is transcribed into distinct short RNAs.
  • Anthropic released the result as a preprint and external experts called the finding intriguing, but the work has not been peer reviewed and the system’s biological role, programmability, and safety implications remain unconfirmed.
  • If validated, ART could follow the long path that turned early CRISPR observations into a tool for editing genomes, and the announcement signals how AI can speed genome mining while leaving lab actions to humans.