Figure 4From: Universal and specific quantitative detection of botulinum neurotoxin genesDetection of silent genes in dual BoNT containing strains of C. botulinum. Shown are amplification plots of three strains of C. botulinum that contain silent genes: CDC1436 A2b (A), strain 657 Ba4 (B), and strain An436 Bf (C). Copy numbers and the indicated gene detected by color are listed for each.Back to article page