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. 2018 Jun 20;9:1060. doi: 10.3389/fmicb.2018.01060

FIGURE 4.

FIGURE 4

PpHLP is recognized by plant immune system. Nicotiana benthamiana plants were inoculated with PsyB728a wild-type strain (A) or strains carrying pBBR1-MCS2 derivatives, which express TTSS-mCherry (B), TTSS-RihA (C), HopQ1 (D), or TTSS-PpHLP (E). Disease symptoms developed only in control plants, that is plants treated with the wild-type PsyB728a, PsyB728a carrying plasmids encoding TTSS-mCherry or TTSS-RihA. The photographs were taken 7 days post-inoculation. The experiment was performed twice, with similar results.