Figure 4From: Characters of homogentisate oxygenase gene mutation and high clonality of the natural pigment-producing Vibrio choleraestrainsThe cluster analysis of the protein sequences of the four tyrosine catabolic genes, VC1344 (A), VC1345 (B), VC1346 (C) and VC1347 (D). Strains marked with black square are pigment producing strains.Back to article page