Figure 6

(a) Growth curve of A. brasilense Sp7 and ΔAbBphP1 mutant in the dark and in red light in LB medium and minimal medium with 38 mM malate.(b) Swarm plates showing chemotaxis of A. brasilense Sp7, ΔAbBphP1 and ΔAbBphP1 (pSnK5) towards 10 mM malate in red light. (c) Epifluorescence microscopy images of A. brasilense Sp7 grown in dark (i) and red light (ii); ΔAbBphP1 mutant gown in dark (iii) and red light (iv) after staining with DAPI and propidium iodide as described in supplemental material.