Fig. 1From: Insights into the genome architecture and evolution of Shiga toxin encoding bacteriophages of Escherichia coliDistribution of stx genes. a Percentage of each Shiga toxin subtype/variant throughout the E. coli dataset. b Number of stx genes in a E. coli strain. c The sources were sorted into human, food, animal, environment (creek), mutant, and when no information was available as w/o info. Information collected from the GenBank database for each STEC strainBack to article page