Unverified50% confidenceFactExact time

In 1993, researchers noticed an unusual repeat-spacer structure in the E. coli genome, but its functional significance was not gradually elucidated until the 2000s.

1

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50%

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Long-term

Relevance

9/23/2026

First Seen

Sources

Claude Discovers a Novel Enzyme System with CRISPR-like Repeats

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