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.

Annotation

classified with bacteria; infection = RICKETTSIA INFECTIONS or their specifics: see notes on species terms for various infections; Rickettsia quintana infection = TRENCH FEVER; RICKETTSIA TSUTSUGAMUSHI see ORIENTIA TSUTSUGAMUSHI is available

DUI

D012281 MeSH Browser

CUI

M0019097