The identification of a gene needed to expand light harvesting in photosynthesis into the far-red-light spectrum provides clues to the evolution of oxygen-producing photosynthesis, an evolutionary advance that changed the history of life on Earth.

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The identification of a gene needed to expand light harvesting in photosynthesis into the far-red-light spectrum provides clues to the evolution of oxygen-producing photosynthesis, an evolutionary advance that changed the history of life on Earth.