Figure 1.

Phylogenetic tree of E. coli blood culture and rectal isolates of patients 1–5. (a) Blood culture (Eco_b) and rectal (Eco_r) isolates of P1, P2, P3 and P5 are genetically closely related. Isolates P4 are not related. In Eco_b1 and Eco_b4, the extrachromosomal hha variant 1 is present, while in Eco_b5 and Eco_r5, hha variant 2 was detected. Eco_r1, Eco_b2, Eco_r2, Eco_b3 and Eco_r3 do not possess any variant of hha. (b) Phylogenetic tree based on the protein alignment of the different Hha variant. The chromosomal Hha variant is identical in all 10 isolates.