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Ancient Nitrogenases Reveal 3.2 Billion-Year Evolution Insights

1/23/2026

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Summary

Story summary

Researchers from Utah State University and the University of Wisconsin–Madison reverse-engineered ancient nitrogenases and found their isotopic signatures remain consistent with modern versions.
The work, published in Nature Communications, traces nitrogenase evolution over 3.2 billion years.
The findings have implications for agriculture and astrobiology by clarifying nutrient access in extreme environments.
They underscore the value of studying ancient life to inform future explorations beyond Earth.

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Story summary

Researchers from Utah State University and the University of Wisconsin–Madison reverse-engineered ancient nitrogenases and found their isotopic signatures remain consistent with modern versions.
The work, published in Nature Communications, traces nitrogenase evolution over 3.2 billion years.
The findings have implications for agriculture and astrobiology by clarifying nutrient access in extreme environments.
They underscore the value of studying ancient life to inform future explorations beyond Earth.