species are considered as emerging human pathogens, with at least six different species pathogenic or possibly pathogenic for humans. However, little is known about distribution, species polymorphism and pathogenicity in mammalian species. The objective of this work was to determine the presence, the frequency and the distribution of species in wild rabbits () caught in warrens in Alsace, France. Humans may come into contact with wild rabbits when hunting, especially when they are picked up with bare hands and at time of evisceration. Of 30 blood samples collected and cultured from wild rabbits, nine (30%) were positive for organisms morphologically similar to spp. The bacteria appeared as small, fastidious, aerobic, oxidase-negative. Gram-negative rods which could be localized within erythrocytes. Their biochemical properties were similar to those of the genus . The sequence of the 16S rRNA gene obtained from the rabbit isolates was highly related to the sequences of the different species (97·8--99·3% similarity). The high DNA hybridization rate (81–90% similarity) between the three strains isolated from rabbit blood confirmed that they belong to the same bacterial species. Hybridization values, obtained with the nuclease-TCA method, when testing type strains of recognized species (9--14% similarity), support the creation of a new species for the rabbit isolates. The name is proposed for these strains isolated from the blood of wild rabbits. The type strain is IBS 382(= CIP 105477).


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