Ocean warming enhances iron use efficiencies of marine ammonia-oxidizing archaea

Proceedings of the National Academy of Sciences, Volume 123, Issue 10, March 2026. <br/>SignificanceGlobal climate change is elevating subsurface ocean temperatures, with profound impacts on microbial communities and ecosystem functions. Ammonia-oxidizing archaea (AOA) are one of the most abundant and ubiquitous microbial functional guilds …