Abstract
The aim of the study was to determine the multilocus sequence types of Escherichia coli from diseased farm rabbits and apparently healthy wild lagomorphs, and the genetic relatedness among them. Fifty-five enteropathogenic E. coli from reared rabbits and 32 from wild rabbits and hares were characterised by multilocus sequence typing (MLST) according to the Michigan State University Ec MLST scheme. Isolates were differentiated into 37 sequence types (STs), which were grouped into 8 clonal complexes (CCs). The most common ST was ST140 (CC31), followed by ST238 and ST119 (CC17). MLST analysis revealed 22 novel STs. Phylogenetic analyses showed a heterogeneous distribution of STs into 3 clusters of genetically related strains. The genetic relationship among STs of different origin and the detection of new, as well as previously described STs as human pathogens, indicate a widespread distribution and adaptability of particular lineages to different hosts. These findings highlight the need for further research to improve the knowledge about E. coli populations colonising the gut of lagomorphs and their zoonotic potential.
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