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. 2016 Jun 20;7:848. doi: 10.3389/fmicb.2016.00848

FIGURE 5.

FIGURE 5

The symptoms associated with Vampirovibrio chlorellavorus infection such as (A) bacterial attachment to the algae (B), clumping of algae cells and (C) change in the coloration of the culture (C) were reverted by the pH-shock treatment (D–F, respectively). Pictures and micrographs correspond to a simultaneous side by side comparison of raceways (1000 L, C,F) containing untreated (left) or pH-treated (right) culture derived from an industrial scale reactor (130,000 L). Micrograph 5A was produced by J. Wilkenfeld.