Figure 5

Electron microscopy images of A. vinelandii grown in crude glycerol medium. (a,b,b’) TEM images of cells cultured in crude glycerol-MB medium until the stationary growth phase (92 h). (c,d) SEM images of the surface of cells cultured in crude glycerol-MB medium [c: logarithmic growth phase (48 h), d: stationary phase (96 h)].