Schematic representations of unique genes grouped on NODE17 (genomic island) in trout isolate JIPP11/91. When comparing the genome of this highly virulent trout isolate with the one from the non-virulent trout isolate ATCC 49512, several unique genes, present only in the highly virulent isolate are grouped on NODE17, which is recognized as a genomic island by the IslandPaht-DIMOB and SIGI-HMM method. Several of these unique genes are also predicted to be involved in virulence when identifying them via Virulence Factor Database. These are marked in bold. The hypothetical ones are not labelled.