Microbes Gained Photosynthesis Superpowers From a ‘Proton Pump’

A dense rainforest or other verdant terrestrial vegetation may be what first comes to mind at the mention of photosynthesis. Yet the clouds of phytoplankton that fill the oceans are the major drivers of that process in nature. The plantlike single-celled aquatic microbes generate more than 50% of the oxygen in the atmosphere, and they absorb nearly half of the carbon dioxide…

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