A survey was carried out to investigate the frequency of hard tick species (Acari: Ixodidae) on sheep in Khorasan Razvi province. A total of 812 ticks were collected from the sheep of different areas of Khorsan Razavi province five species were identified as follow: Rhipicephalus turanicus (59.23%), Hyalomma.marginatum turanicum (25.73%), Hyalomma excavatum (14.8%), Hyalomma anatolicum (8.3...

We document the first record of Borrelia americana in Canada. This Borrelia was detected in an avian coast tick, Ixodes auritulus (Acari: Ixodidae), collected from a Varied Thrush, Ixoreus naevius, along coastal British Columbia. Using real-time PCR and DNA sequencing of the flagellin gene, we determined that the borrelial amplicon from the I. auritulus nymph was 99% homologous with B. american...

We have designed and performed a new PCR method based on the 18S rRNA in order to individuate the presence and the identity of Babesia parasites. Out of 1159 Ixodes ricinus (Acari: Ixodidae) ticks collected in four areas of Switzerland, nine were found to contain Babesia DNA. Sequencing of the short amplicon obtained (411-452 bp) allowed the identification of three human pathogenic species: Bab...

The complete cDNA sequence encoding a Boophilus microplus (Canestrini) (Acari: Ixodidae) acetylcholinesterase (AChE3) was expressed in the baculovirus system. The recombinant AChE3 protein (rBmAChE3) was secreted as a soluble form into the cell culture medium and was identified as a functional AChE by substrate specificity and by inhibition with the AChE-specific inhibitors eserine sulfate and ...

Ixodes holocyclus (Acarina: Ixodidae) and Ixodes cornuatus (Acarina: Ixodidae) are two tick species found in the more densely populated areas of Australia and are known to be the cause of the neurotoxic disease tick paralysis in humans and mammals. Borreliosis otherwise known as Lyme disease is an emerging infectious disease in humans in Australia. Borrelia burgdorferi sensu stricto (Spirochaet...

ticks are vectors of some important arthropod-borne diseases in both fields of veterinary and medicine, such as lyme, tularemia, rocky mountain spotted fever, and some types of encephalitis as well as crimean congo hemorrhagic fever (cchf). iran is known as one of the main foci of cchf in west of asia. this study was conducted in darrehshahr county because of the development of animal husbandry...