Figure 3From: Corynebacterium ulcerans 0102 carries the gene encoding diphtheria toxin on a prophage different from the C. diphtheriae NCTC 13129 prophageSchema of the diphtheria toxin acquisition hypothesis. (A) Pair-wise comparison of regions with high similarity between C. ulcerans and C. diphtheriae. These structures of putative phages are constructed by connecting attachment sites. The plots above and below represent the GC content calculated with a window size of 500 bp. (B) Schematic representation of how diphtheria toxin has been acquired in C. ulceransBack to article page