C4 photosynthesis represents a striking example of convergent evolution, where multiple plant lineages have independently modified an ancestral C3 pathway to enhance carbon fixation efficiency. This ...

Scientists are now studying those organisms for insights into the early evolution of photosynthesis.Arctic-Images/Getty Images The latest important clue comes from Heliobacterium modesticaldum, which ...

Their research on a single-celled eukaryote called Rapaza viridis provides a clue to unraveling the evolution of chloroplasts ...

CAMBRIDGE, MA -- During photosynthesis, an enzyme called rubisco catalyzes a key reaction — the incorporation of carbon dioxide into organic compounds to create sugars. However, rubisco, which is ...

Felix Elling, a former postdoctoral fellow at Harvard and lead author of the study. Credit: Felix Elling For biochemists, it's the which-came-first question: oxygen production by photosynthesis or ...