Figure 2. Identification of gbpA, gbpC, and expressed GbpC. Southern hybridization analyses of S. mutans gbpA (A) and gbpC (B), and Western blot analysis of GbpC (C), among MT8148 and TW strains. The arrows indicate GbpC of each strain. Lanes: 1, MT8148; 2, C1; 3, TW871; and 4, TW964.