Rickettsia buchneri sp. nov., a rickettsial endosymbiont of the blacklegged tick Ixodes scapularis
Copyright policy )Rickettsia buchneri sp. nov., a rickettsial endosymbiont of the blacklegged tick Ixodes scapularis
We obtained a rickettsial isolate from the ovaries of the blacklegged tick,Ixodes scapularis. The isolate (ISO7T) was grown in theIxodes ricinusembryonic cell line IRE11. We characterized the isolate by transmission electron microscopy and gene sequencing. Phylogenetic analysis of 11 housekeeping genes demonstrated that the isolate fulfils the criteria to be classified as a representative of a novel rickettsial species closely related to ‘Rickettsiamonacensis’. These rickettsiae form a clade separate from other species of rickettsiae. Gene sequences indicated that several genes important in rickettsial motility, invasiveness and temperature adaptation were mutated (e.g.sca2,rickA,hsp22,pldAandhtrA). We propose the nameRickettsiabuchnerisp. nov. for this bacterium that infects the ovaries of the tickI. scapularisto acknowledge the pioneering contributions of Professor Paul Buchner (1886–1978) to research on bacterial symbionts. The type strain ofR. buchnerisp. nov. is strain ISO-7T( = DSM 29016T = ATCC VR-1814T).
- University of Minnesota Morris United States
- University of Minnesota United States
- University of Minnesota System United States
DNA, Bacterial, Ixodes, Molecular Sequence Data, Ovary, Sequence Analysis, DNA, Bacterial Typing Techniques, Microscopy, Electron, Transmission, Genes, Bacterial, RNA, Ribosomal, 16S, Animals, Female, Rickettsia, Symbiosis, Phylogeny
DNA, Bacterial, Ixodes, Molecular Sequence Data, Ovary, Sequence Analysis, DNA, Bacterial Typing Techniques, Microscopy, Electron, Transmission, Genes, Bacterial, RNA, Ribosomal, 16S, Animals, Female, Rickettsia, Symbiosis, Phylogeny
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