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. 2015 Jul 20;53(8):2410–2426. doi: 10.1128/JCM.00008-15

FIG 1.

FIG 1

FIG 1

Relationship of the SerotypeFinder database wzx and wzy gene variants. The key genes used in the in silico O typing (wzx [A] and wzy [B]) were visualized by neighbor-joining trees, constructed using percent ID. O types represented by more variants are highlighted. The wzx and wzy variants clustered according to O types. One O45 antigen gene cluster sequence is known to differ from that of other O45 gene cluster sequences and has been proposed to have been acquired from other Enterobacteriaceae (36).