Commissariat à l'énergie atomique et aux énergies alternatives

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Contributed FIB-SEM reconstruction

A single-celled alga can move hundreds of micrometers through the body of a marine worm, even while squeezed inside host-cell tubes about 200 nanometers wide. The alga, Amphidinium, still has its flagella. But when researchers tracked it inside live Waminoa worms, they found the host's actin machinery was doing the moving.

Updated 2 hours ago