FullMST of geographical subsets: A, C, E based on MLST profiles and B, D, F based on AA-MLST profiles. A and B Sri Lankan subset (Puttalam-dark red, Chillaw-red, Madurankuliya-light red), C and D Ecuadorian subset (Machala-dark green, Guayaquil-green, Balao-light green), E and F NB-Seas subset (Baltic Sea-dark blue, North Sea-light blue, Kattegat-dark turquoise, Skagerrak-light turquoise). For all subsets: grey circles indicate STs whose regional origin is unknown. Black lines connect SLVs, dark grey lines connect DLVs and grey lines connect TLVs and light grey lines connect connections on higher level. Circles circled by a light green line were (sub-) group founders.
Urmersbach et al. BMC Microbiology 2014 14:59 doi:10.1186/1471-2180-14-59