Active redox cycling of phosphorus on the early Earth.

Hao, Jihua; Li, Xing; Ju, Pengcheng; Pasek, Matthew · Nat Commun · 2025

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Abstract

Phosphorus is a critical bio-limiting nutrient in Earth’s ecosystems. A new study published in Nature Communications reports high availability of phosphite for possibly biological uptake in the late Archean ocean, suggesting an active redox cycling of phosphorus on the early Earth.