Oldest thylakoids in fossil cyanobacteria uncover evolution of photosynthesis

Low-Res_image of N. majensis from the McDermott Formation, Australia, copyright E Javaux (1)

Source: Emmanuelle Javaux

Researchers have identified microstructures in fossil cells that are 1.75 billion years old. These structures, called thylakoid membranes, are the oldest ever discovered.

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