FIG. 4.

agfB expression in individual cells from different cell fractions of strain ATCC 14028 cultures. Strain ATCC 14028 agfB::gfp reporter strain cultures grown in 1/10 LBns-Dp for 72 h at 28°C were visualized by light microscopy (images on left) and fluorescence microscopy (images on right) either directly (A) or after fractionation with fibronectin-coated magnetic beads (B, C, and D). Representative cells from bead fractions (B and C) and supernatant fractions (D) are shown; arrowheads indicate beads that are bound to cells. Scale bars are shown at bottom right of the light microscopy images.