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1 URMITE, CNRS IRD UMR 6236, Faculté de Médecine, Université de la Méditerranée, 27 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
2 Public Health Virology, Queensland Health Forensic and Scientific Services, Coopers Plains, QLD 4108, Australia
Correspondence
Bernard La Scola
bernard.lascola{at}medecine.univ-mrs.fr
A total of 11 Bartonella isolates were recovered from the blood of Melomys, Uromys and Rattus species in Australia and were characterized using phenotypic and genotypic methods. Comparison of 16S rRNA gene, ftsZ, gltA and 16S–23S rRNA internal transcribed spacer region sequences from the isolates indicated that they formed three sequence similarity groups that were distinct from one another and from the currently recognized Bartonella species. Phylogenetic analysis based on alignment of concatenated sequences inferred distinct evolutionary lineages for each of the three groups within the genus Bartonella. On the basis of these data, we propose the isolates be accommodated in three novel Bartonella species, namely Bartonella rattaustraliani sp. nov. (type strain AUST/NH4T =CIP 109051T =CCUG 52161T =CSUR B609T), Bartonella queenslandensis sp. nov. (type strain AUST/NH12T =CIP 109057T =CCUG 52167T =CSUR B617T) and Bartonella coopersplainsensis sp. nov. (type strain AUST/NH20T =CIP 109064T =CCUG 52174T =CSUR B619T).
The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA gene, ITS, ftsZ, rpoB and gltA sequences determined in this study are EU111749–EU111803, as detailed in Table 1.
Neighbour-joining dendrograms based on individual analysis of ITS, ftsZ, rpoB and gltA sequences and a table of accession numbers of reference sequences are available as supplementary material with the online version of this paper.
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