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. 2018 Feb 21;3(1):e00586-17. doi: 10.1128/mSphere.00586-17

FIG 3 .

FIG 3 

Identification of monobromamphenicol as a sliding inducer. (A) Crude extract from S. venezuelae agar plates was loaded into the wells near B. subtilis and induced robust sliding motility compared with the medium-only control. All time-based HPLC fractions were collected and tested for activity. One fraction had the sliding inducing activity, and one fraction had the growth inhibitory activity. Pictures were taken at h 24. (B) The inducing fraction was brominated chloramphenicol (X = Br [monobromamphenicol]). The inhibitory fraction was chloramphenicol (X = Cl). Bar, 1 cm.