| genetic variability of rickettsia spp. in ixodes persulcatus ticks from continental and island areas of the russian far east. | rickettsia spp. are intracellular gram-negative bacteria transmitted by arthropods. two potentially pathogenic rickettsiae, candidatus rickettsia tarasevichiae and rickettsia helvetica, have been found in unfed adult ixodes persulcatus ticks. the aim of this study was to assess the prevalence and genetic variability of rickettsia spp. in i. persulcatus ticks collected from different locations in the russian far east. in total, 604 adult i. persulcatus ticks collected from four sites in the khaba ... | 2016 | 27424272 |