Prevalence of infections and co-infections with 6 pathogens in Dermacentor reticulatus ticks collected in eastern Poland
PBN-AR
Instytucja
Instytut Medycyny Wsi im. Witolda Chodźki
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Annals of Agricultural and Environmental Medicine (30pkt w roku publikacji)
ISSN
1232-1966
EISSN
1898-2263
Wydawca
Institute of Rural Health
DOI
Rok publikacji
2017
Numer zeszytu
1
Strony od-do
26-32
Numer tomu
24
Identyfikator DOI
Liczba arkuszy
1,00
Słowa kluczowe
en
Dermacentor reticulatus
co-infections
TBE virus
Anaplasma phagocytophilum
Rickettsia raoultii
Borrelia burgdorferi sensu lato
Babesia spp.
Toxoplasma gondii
Open access
Tryb otwartego dostępu
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Wersja tekstu w otwartym dostępie
Wersja opublikowana
Licencja otwartego dostępu
Creative Commons — Uznanie autorstwa-Niekomercyjne
Czas opublikowania w otwartym dostępie
Razem z publikacją
Streszczenia
Język
en
Treść
Abstract Occurrence of co-infections with various pathogens in ixodid ticks creates a risk of increased severity of tick-borne diseases in humans and animals exposed to bite of the ticks carrying multiple pathogens. Accordingly, co-infections in ticks were subject of numerous analyses, but almost exclusively with regard to Ixodes ricinus complex whereas potential tick vectors belonging to other genera were much less studied. Taking into consideration the role of Dermacentor reticulatus in the transmission of various pathogens, we carried out for the first time the comprehensive statistical analysis of co-infections occurring in this tick species. An attempt was made to determine the significance of the associations between 6 different pathogens occurring in D. reticulatus (Tick-borne encephalitis virus = TBEV, Anaplasma phagocytophilum, Rickettsia raoultii, Borrelia burgdorferi s. l., Babesia spp., Toxoplasma gondii), using 2 statistical methods: determination of Odds Ratios (ORs) and the Fisher’s exact test. 634 questing Dermacentor reticulatus ticks (370 females and 264 males) were collected in 2011– 2013 by flagging the lower vegetation in 3 localities in the area of Łęczyńsko-Włodawskie Lakeland, situated in the Lublin region of eastern Poland. The presence of individual pathogens was detected by PCR. Ticks were infected most often with Rickettsia raoultii (43.8%), less with TBEV (8.5%), and much less with Babesia spp., Toxoplasma gondii, Borrelia burgdorferi s.l., and Anaplasma phagocytophilum (2.5%, 2.1%, 1.6% and 1.1%, respectively). The locality-dependent variability proved to be significant for TBEV (c2=11.063; P=0.004) and Toxoplasma gondii (c2=11.298; P=0.0035), but not for other pathogens. Two hundred seventy (42.6%) of the examined ticks were infected only with a single pathogen, and 54 (8.5%) showed the presence of dual co-infections, each with 2 pathogens. The most common were dual infections with participation of Rickettsia raoultii (7.41%); next, those with participation of the TBEV (5.21%), Toxoplasma gondii (1.58%), Borrelia burgdorferi s.l. (1.26%), Anaplasma phagocytophilum (0.95%), and Babesia spp. (0.63%). On the total number of 15 possible associations, in 9 cases co-infections occurred whereas in 6 cases they were not detected. The most noteworthy were positive co-infections with the participation of TBEV, which proved to be weakly significant (0.05<P<0.1) in associations with Toxoplasma gondii and Anaplasma phagocytophilum, with Odds Ratios over 3.3 and 4.4, respectively. The values of Odds Ratios exceeded 3.0 also at the co-infections of Rickettsia raoultii with B. burgdorferi s.l., and T. gondii with Babesia spp., but these associations did not attain a significance level. The co-infections of Rickettsia raoultii with Babesia spp. appeared not to be significant (0.05<P<0.1) with OR below 0.3. In conclusion, co-infections with various pathogens in D. reticulatus ticks seem to be relatively rare and mostly not significant.
Cechy publikacji
Mikrobiologia
Biologia medyczna
Medycyna
Nauki farmaceutyczne
Nauki o zdrowiu
Microbiology
Medical biology
Medicine
Pharmacy
Health sciences
discipline:Biologia
discipline:Biologia medyczna
discipline:Mikrobiologia
discipline:Nauki o zdrowiu
discipline:Biology
discipline:Medical biology
discipline:Microbiology
discipline:Health sciences
Original article
Original article presents the results of original research or experiment.
Oryginalny artykuł naukowy
Oryginalny artykuł naukowy przedstawia rezultaty oryginalnych badań naukowych lub eksperymentu.
Inne
System-identifier
PBN-R:826684
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