Canadian Medical Guide > Organisms > Bacteria > Gram-Negative Bacteria > Rickettsiaceae > Rickettsieae Terms and Definitions
Rickettsieae
Medical Definition: | A tribe of gram-negative bacteria of the family RICKETTSIACEAE whose organisms are found in arthropods and are pathogenic for man and certain other vertebrate hosts. |
Guide Notes: | a tribe: do not confuse with RICKETTSIACEAE, a family; infection: coord IM with RICKETTSIACEAE INFECTIONS (IM) |
Orientia tsutsugamushi - A gram-negative, rod-shaped to coccoid bacterium. It is the etiologic agent of SCRUB TYPHUS in humans and is transmitted by mites from rodent reservoirs. | |
Rickettsia - A genus of gram-negative, aerobic, rod-shaped bacteria often surrounded by a protein microcapsular layer and slime layer. The natural cycle of its organisms generally involves a vertebrate and an invertebrate host. Species of the genus are the etiological agents of human diseases, such as typhus. |
Rickettsieae Medical Definitions and Terms
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