Biologists ‘Resurrect’ 3.2-Billion-Year-Old Enzyme

Jan 22, 2026 - 16:45
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Biologists ‘Resurrect’ 3.2-Billion-Year-Old Enzyme
Resurrection and characterization of ancestral nitrogenases. Image credit: Rucker et al., doi: 10.1038/s41467-025-67423-y.

A team of researchers led by the University of Wisconsin-Madison has reverse-engineered a primordial nitrogen-fixing enzyme, illuminating how life thrived before oxygen reshaped the planet and establishing a reliable chemical marker for detecting life beyond Earth.

The post Biologists ‘Resurrect’ 3.2-Billion-Year-Old Enzyme appeared first on Sci.News: Breaking Science News.

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