Abstract
A soil microbe-produced antimicrobial agent blocks Bacillus subtilis cells from forming biofilms or spores without killing these bacteria, according to Elizabeth A. Shank of the University of North Carolina, Chapel Hill, Matthew Powers, an undergraduate student in her lab, and their collaborators. The active agent, 2,4-diacetylphloroglucinol (DAPG), is produced by the soil bacterial species Pseudomonas protegens, has both antibacterial and antifungal activities, but at subinhibitory levels affects development and physiological responses of B. subtilis cells without killing them, they point out. Details appeared 30 March 2015 in the Journal of Bacteriology (doi:10.1128/JB.02535–14).
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