Rickettsia fournieri sp. nov., a novel spotted fever group rickettsia from Argas lagenoplastis ticks in Australia

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Diop, Awa | Barker, Stephen C. | Eberhard, Mey | Barker, Dayana | Nguyen, Thi Tien | Di Pinto, Fabrizio | Raoult, Didier | Mediannikov, Oleg

Edité par CCSD ; Microbiology Society -

International audience. Strain AUS118(T) was isolated from an Argas lagenoplastis tick collected from the nest of a Petrochelidon ariel (fairy martin) in Australia in 2013. Microscopic observation of infected cell cultures indicated this strain had a morphology and intracellular location typical of Rickettsia species. Phylogenetic analysis of this strain based firstly on multi-locus sequence analysis and subsequently on whole genome analysis demonstrated that AUS118(T) was most closely related to, but divergent from Rickettsia japonica and Rickettsia heilongjiangensis. We therefore propose the creation of a novel species, Rickettsia fournieri sp. nov, with the type strain AUS118(T) (DSM 28985 and CSUR R501).

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