Survival dynamics of tick-borne encephalitis virus in Ixodes ricinus ticks
Slovák, Mirko; Kazimírová, Mária; Siebenstichová, Marta; Ustaníková, Katarína; Klempa, Boris; Gritsun, Tamara; Gould, Ernest A.; Nuttall, Patricia A.. 2014 Survival dynamics of tick-borne encephalitis virus in Ixodes ricinus ticks. Ticks and Tick-borne Diseases, 5 (6). 962-969. 10.1016/j.ttbdis.2014.07.019
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Abstract/Summary
Biotic factors contributing to the survival of tick-borne viruses in nature are poorly understood. Using tick-borne encephalitis virus (TBEV) and its principal European vector, Ixodes ricinus, we examined the relative roles of salivary gland infection, co-feeding transmission, and moulting in virus survival. Virus titres in the salivary glands increased after blood-feeding in a time- and dose-dependent manner. This was observed in ticks infected by inoculation but not in ticks infected by the natural route of co-feeding. Amplification of infection prevalence occurred via co-feeding. However, when larvae or nymphs subsequently moulted, the infection prevalence dramatically declined although this was not observed when ticks were infected by inoculation. Trans-stadial survival is a hitherto overlooked parameter that may contribute to the low incidence of TBEV infection in field-collected I. ricinus ticks.
| Item Type: | Publication - Article |
|---|---|
| Digital Object Identifier (DOI): | 10.1016/j.ttbdis.2014.07.019 |
| UKCEH and CEH Sections/Science Areas: | UKCEH Fellows |
| ISSN: | 1877-959X |
| Additional Keywords: | TBEV, Ixodes ricinus, salivary glands, trans-stadial survival, co-feeding transmission |
| NORA Subject Terms: | Biology and Microbiology |
| Date made live: | 12 Sep 2014 14:52 +0 (UTC) |
| URI: | https://nora.nerc.ac.uk/id/eprint/508402 |
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