| isolation and characterization of a unique strain of rickettsia parkeri associated with the hard tick dermacentor parumapertus neumann in the western united states. | in 1953, investigators at the rocky mountain laboratories in hamilton, montana, described the isolation of a spotted fever group rickettsia (sfgr) species from dermacentor parumapertus collected from black-tailed jackrabbits (lepus californicus) in northern nevada. several decades later, investigators characterized this sfgr by using mouse serotyping methods and determined that it represented a distinct rickettsial serotype, related closely to rickettsia parkeri; nonetheless, the parumapertus ag ... | 2017 | 28213544 |