| a novel rickettsia species detected in vole ticks (ixodes angustus) from western canada. | the genomic dna of ixodid ticks from western canada was tested by pcr for the presence of rickettsia. no rickettsiae were detected in ixodes sculptus, whereas 18% of the i. angustus and 42% of the dermacentor andersoni organisms examined were pcr positive for rickettsia. the rickettsiae from each tick species were characterized genetically using multiple genes. rickettsiae within the d. andersoni organisms had sequences at four genes that matched those of r. peacockii. in contrast, the rickettsi ... | 2013 | 24077705 |