Kurz J, Burgdorfer W
Infect Immun. 1978 May;20(2):584-6. doi: 10.1128/iai.20.2.584-586.1978.
Rickettsia rickettsii remained viable and retained chromophilic properties for not more than 24 h after Dermacentor andersoni were killed by freezing. Antigenic reactivity was detected for at least 71 days by direct immunofluorescence. However, rickettsiae in ticks suffocated with mineral oil remained pathogenic for at least 14 days. Accordingly, ticks removed from a host by mineral oil or dying from desiccation in transit are still suitable for rickettsial examination.
在安氏革蜱被冷冻杀死后,立氏立克次体存活且保持嗜色特性不超过24小时。通过直接免疫荧光法至少71天可检测到抗原反应性。然而,用矿物油窒息处理的蜱体内的立克次体至少14天仍具致病性。因此,用矿物油从宿主身上取下或在运输过程中因干燥而死亡的蜱仍适合进行立克次体检查。