Genotype constructed with the Unweighted Pair Group Method using arithmetic Averages (UPGMA) on total investigated strains with strain distribution in the main isolation sources: poultry, pigs and human sources. A black box indicates the presence of the genotype's determinant gene. SGI1 LJ means "SGI1 Left Junction".
Bugarel et al. BMC Microbiology 2011 11:151 doi:10.1186/1471-2180-11-151