"Rickettsiales"^^ . "PMID:11760958"^^ . "Rickettsiales Gieszczykiewicz 1939 (Approved Lists 1980) emend. Dumler et al. 2001"^^ . . . . "alpha-1 proteobacteria"^^ . "PMID:8240958"^^ . "ncbi_taxonomy"^^ . "GC_ID:11"^^ . "Rickettsiales Gieszczykiewicz 1939 (Approved Lists 1980) emend. Brenner et al. 1993"^^ . "rickettsias"^^ .