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. 2020 Jun 16;11:999. doi: 10.3389/fmicb.2020.00999

FIGURE 7.

FIGURE 7

Protection of larvae conferred by prior inoculation with candidate probiotics and administration of periodontal pathogens 24 h later, into the different larval prolegs. Pathogen only (black symbols) and PBS (white symbols). L. rhamnosus (gray symbols), L. reuteri (red symbols), or S. salivarius (blue symbols). All experiments were done twice on 2 consecutive weeks, with different batches of larvae and with three replica plates where each plate contains 10 larvae. Prior-injection of larvae with L. rhamnosus GG or S. salivarius K-12 was highly protective against F. nucleatum. L. reuteri had the most effective protection against the effects of P. gingivalis, while S. salivarius afforded the greatest protective effect against A. actinomycetamcomitans.