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. 2019 Dec 20;10:2932. doi: 10.3389/fmicb.2019.02932

FIGURE 4.

FIGURE 4

Electron tomography of P. massiliensis particles from Movies 5 and 6. (A) Single plane in the tomogram from Movie 5 showing a Pandoravirus particle with its ostiole (black arrow). The magnified boxed region depicts a U-shaped thick tubule (black arrowheads) from the inner-most layer. (B) Single plane in Movie 6 from the zoomed-in tomogram from Movie 5 showing the helical structural arrangement of the two thick tubules (arrowheads) composing the inner-most layer of Pandoravirus particles with distant tubules (black arrowheads) or crossed tubules (white arrowheads).