Green Fluorescent Protein Labeling of Listeria, Salmonella, and Escherichia coli O157:H7 for Safety-Related Studies
Figure 1
Comparison of growth rates of GFP-labeled and parental bacterial strains.
Growth rates of GFP-labeled (Δ) and parental (□) bacterial strains were determined by cell counts (A, B, C, D) and spectrophotometrically at OD600 (a, b, c, d) for E. coli O157:H7 F4546 (A, a); Salmonella Enteritidis ME-18 (B, b); Listeria innocua E (C, c); and Listeria monocytogenes G3982 (D, d). Point values are the means of at least two trials.