RickettsiaceaeAlphaproteobacteriaBartonellaceaeEhrlichia ruminantiumDecapitationRickettsiaRickettsieaeAnaplasmataceaeAnaplasmaPhylogenyAnaplasma marginaleRNA, Ribosomal, 16SSymbiosisWolbachiaTicksAnaplasma phagocytophilumGene Transfer, HorizontalGenome, BacterialEvolution, MolecularDNA, BacterialRNA, BacterialMolecular Sequence DataDNA, RibosomalBacterial Proteins