Journal
TICKS AND TICK-BORNE DISEASES
Volume 5, Issue 6, Pages 892-897Publisher
ELSEVIER GMBH, URBAN & FISCHER VERLAG
DOI: 10.1016/j.ttbdis.2014.07.004
Keywords
Ixodes ricinus; Borrelia; B. burgdorferi; B. miyamotoi; Poland; Lower Silesia
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Ixodes ricinus is the primary vector of Borrelia spirochetes in Europe, including both the Lyme borreliosis (LB) group and the relapsing fever (RF) group. The aim of the study was to estimate the prevalence of different genospecies from the B. burgdorferi s.l. complex and B. miyamotoi in questing I. ricinus collected in chosen areas in Lower Silesia, SW Poland. A total of 599 L ricinus ticks were investigated using the PCR-RFLP method. The calculated overall minimum infection rate of ticks with Borrelia spirochetes in Lower Silesia was 15.5%. Five different restriction patterns, characteristic of B. afzelii, B. garinii, B. burgdoreri s.s., B. valaisiana, and B. miyamotoi, were obtained and confirmed by DNA sequencing. At least 14% of ticks were infected with B. burgdorferi s.l. while B.afzelii was the dominant genospecies (68.5%). The MIR for B. miyamotoi was calculated at 2%. Four co-infections in single adult ticks were found: B. miyamotoi/B. afzelii, B. miyamotoi/B. burdorferi s.s., B. miyamotoi/B. garinii, and B. afzelii/B. burgdorferi s.s. The results of this study confirm the risk of LB and RF occuring in both urban and protected areas. (C) 2014 Elsevier GmbH. All rights reserved.
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