Fig. 3From: Construction and characterization of thymidine auxotrophic (ΔthyA) recombinant Lactobacillus casei expressing bovine lactoferricinDetection of thymidine auxotrophy and chloramphenicol-sensitivity of ΔthyA L.casei-LFEC. a GM17 plate containing both chloramphenicol and thymine; (b) GM17 plate containing thymine but no chloramphenicol; (c) GM17 plate containing neither chloramphenicol nor thymine; (d) Diagram of different strains: WT, L.casei; PT, pGBHCupp-LFEC/L.casei; TT, ΔthyA L.casei-LFECBack to article page