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Noun1.Rickettsiaceae - microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates
bacteria family - a family of bacteria
order Rickettsiales, Rickettsiales - pleomorphic Gram-negative microorganisms
genus Rickettsia - can cause typhus and Rocky Mountain spotted fever in humans
rickettsia - any of a group of very small rod-shaped bacteria that live in biting arthropods (as ticks and mites) and cause disease in vertebrate hosts; they cause typhus and other febrile diseases in human beings
References in periodicals archive ?
Reorganization of genera in the families Rickettsiaceae and Anaplasmataceae in the order Rickettsiales: unification of some species of Ehrlichia with Anaplasma, Cowdria with Ehrlichia and Ehrlichia with Neorickettsia, descriptions of six new species combinations and designation of Ehrlichia equi and 'HGE pathogen' as subjective synonyms of Ehrlichia phagocytophila.
burnetii, in the [gamma]-proteobacteria, order Legionellaceae, whereas the rickettsiae are classified as [alpha]-proteobacteria, order Rickettsiales, family Rickettsiaceae.
PCR-positive tick samples indicate the presence of Ehrlichia chaffeensis, an alpha subdivision eubacterium in the family Rickettsiaceae which is the causative agent of HME.