scholarly journals Antibodies Related to Borrelia burgdorferi sensu lato, Coxiella burnetii, and Francisella tularensis Detected in Serum and Heart Rinses of Wild Small Mammals in the Czech Republic

Pathogens ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 419
Author(s):  
Alena Žákovská ◽  
Eva Bártová ◽  
Pavlína Pittermannová ◽  
Marie Budíková

Wild small mammals are the most common reservoirs of pathogenic microorganisms that can cause zoonotic diseases. The aim of the study was to detect antibodies related to Borrelia burgdorferi sensu lato, Coxiella burnetii, and Francisella tularensis in wild small mammals from the Czech Republic. In total, sera or heart rinses of 211 wild small mammals (168 Apodemus flavicollis, 28 Myodes glareolus, 9 A. sylvaticus, and 6 Sorex araneus) were examined by modified enzyme-linked immunosorbent assay. Antibodies related to B.burgdorferi s.l., C. burnetii, and F. tularensis were detected in 15%, 19%, and 20% of animals, respectively. The prevalence of B. burgdorferi and F. tularensis statistically differed in localities and F. tularensis also differed in sex. Antibodies against 2–3 pathogens were found in 17% of animals with a higher prevalence in M. glareolus. This study brings new data about the prevalence of the above-mentioned pathogens.

2020 ◽  
Vol 11 (2) ◽  
pp. 101350
Author(s):  
Eva Bártová ◽  
Hana Lya Kučerová ◽  
Alena Žákovská ◽  
Marie Budíková ◽  
Helena Nejezchlebová

2013 ◽  
Vol 58 (3) ◽  
Author(s):  
Jakub Netušil ◽  
Alena Žákovská ◽  
Karel Vostal ◽  
Adam Norek ◽  
Michal Stanko

AbstractTicks represent the primary vectors of several serious diseases, including the Lyme disease caused by Borrelia burgdorferi sensu lato (Bbsl). In this study two dominant ectoparasitic groups of arthropods (Mesostigmata, Siphonaptera) were investigated for the presence of borrelian DNA in order to determine their potential role of vectors (or carriers) of this bacterium. All individuals (235) were collected from wild-living rodents obtained in three localities in the Czech Republic (Bažantula, Baba and Křižovice). The majority of parasites were members of the families Parasitidae and Dermanyssidae (Mesostigmata) and families Hystrichopsyllidae and Ceratophyllidae (Siphonaptera). The rodent host species was almost exclusively the yellow-necked mouse (Apodemus flavicollis). Bbsl was detected by the PCR method in the following ectoparasite species: Euryparasitus emarginatus (1), Eulaelaps stabularis (1), Haemogamassus nidi (1), Laelaps agilis (5), Myonyssus gigas (1) (Mesostigmata) and Ctenophthalmus agyrtes (1), C. solutus (3) (Siphonaptera).


2008 ◽  
Vol 53 (2) ◽  
Author(s):  
Alena Žákovská ◽  
Eva Janouškovcová ◽  
Kateřina Pejchalová ◽  
Jiří Halouzka ◽  
Miloš Dendis

AbstractBorrelia burgdorferi sensu lato, the etiologic agent of Lyme borreliosis, circulates between ticks and vertebrate hosts. Two main genospecies typically occur in the Czech Republic Borrelia garinii and Borrelia afzelii, transmitted generally by Ixodes ricinus (L., 1758) ticks. The aim of our study was to identify spirochaete isolates focusing on Borrelia burgdorferi acquired from different sources: vectors (ticks), potential vectors (mosquitoes, small mites) and hosts (wild rodents). In the years 1996–2001 a total of 2398 ticks, 72 mites (from wild rodents), 2700 mosquito adults, 1798 mosquito larvae and organ parts (kidney and spleen) of 216 wild rodents were collected from seven localities in the Czech Republic. A total of 31 spirochaete strains were isolated: 13 strains from ticks, 1 strain from mite (Haemogamasus sp.), 15 strains from rodents, 1 strain from mosquito adults and 1 strain from mosquito larva. For the genospecies identification of these isolates PCR, PCR-RFLP was used and their characterization was also performed by SDS-PAGE. By nested PCR method all except one isolated strains were detected as Borrelia burgdorferi s.l. Following PCR-RFLP molecular analysis results, tick isolates were identified as B. garinii and B. afzelii, the strain isolated from the mite was identified as B. afzelii. This is the first isolated strain of B.b.s.l. from a different mite of infraorder Parasitiformes than tick. All of rodent isolates were identified as B. afzelii; mosquito adult isolate was identified as B. afzelii. Larval isolate from mosquito is spirochaete, but does not belong to Borrelia burgdorferi sensu lato group.


2003 ◽  
Vol 69 (1) ◽  
pp. 509-516 ◽  
Author(s):  
Markéta Derdáková ◽  
Lorenza Beati ◽  
Branislav Pet'ko ◽  
Michal Stanko ◽  
Durland Fish

ABSTRACT In Europe the Borrelia burgdorferi sensu lato complex is represented by five distinct genospecies: Borrelia burgdorferi sensu stricto, Borrelia afzelii, Borrelia garinii, Borrelia valaisiana, and Borrelia lusitaniae. These taxonomic entities are known to differ in their specific associations with vertebrate hosts and to provoke distinct clinical manifestations in human patients. However, exceptions to these rules have often been observed, indicating that strains belonging to a single genospecies may be more heterogeneous than expected. It is, therefore, important to develop alternative identification tools which are able to distinguish Borrelia strains not only at the specific level but also at the intraspecific level. DNA from a sample of 370 Ixodes ricinus ticks collected in the Czech Republic was analyzed by PCR for the presence of a ∼230-bp fragment of the rrfA-rrlB intergenic spacer of Borrelia spp. A total of 20.5% of the ticks were found to be positive. The infecting genospecies were identified by analyzing the amplified products by the restriction fragment length polymorphism (RFLP) method with restriction enzyme MseI and by single-strand conformation polymorphism (SSCP) analysis. The two methods were compared, and PCR-SSCP analysis appeared to be a valuable tool for rapid identification of spirochetes at the intraspecific level, particularly when large samples are examined. Furthermore, by using PCR-SSCP analysis we identified a previously unknown Borrelia genotype, genotype I-77, which would have gone unnoticed if RFLP analysis alone had been used.


2009 ◽  
Vol 54 (No. 4) ◽  
pp. 191-193
Author(s):  
K. Sedlak ◽  
T. Girma ◽  
J. Holejsovsky

372 sera of cervids from the Czech Republic were examined for antibodies to the bovine viral diarrhea virus (BVDV) and border disease virus (BDV) by competitive-inhibition enzyme-linked immunosorbent assay (ELISA), and for the presence of the BVDV by AgELISA. Antibodies to BVDV/BDV were found in 0.6% (two positive/305 tested) red deer (<I>Cervus elaphus</I>). BVDV/BDV antibodies were not found in four sika deer (<I>Cervus Nippon</I>) and 63 fallow deer (<I>Dama dama</I>). All serum samples were BVDV antigen negative. Our results confirmed that red deer in the Czech Republic are only rarely infected with Pestiviruses. This was the first survey of pestiviruses in farmed and wild cervids in the Czech Republic.


2020 ◽  
pp. 291-294
Author(s):  
Nikanorova ◽  
Kozlov

The article considers the issues of carriage by small mammals of dangerous zoonotic diseases: leptospirosis, tularemia, hantaviruses. Data on the detection of antigens to pathogens in the districts of the Kaluga region are presented. As you know, small mammals are the main link in maintaining zoonotic natural focal diseases. The larval phases of ixodic ticks, mosquitoes and other parasitic arthropods prefer to feed on the blood of mouse rodents, which contributes to the spread of vector-borne infections and infestations. The following species of mouse rodents are found in the Kaluga Region: small forest mouse (Apodemus uralensis), gray vole, red vole (Myodes glareolus), field mouse (Apodemus agrarius), gray rat (Rattus norvegicus), and house mouse (Mus musculus). In natural biotopes, field species prevail in number: field mouse, gray vole, red vole. In the Kaluga region, antigens for tularemia, hantaviruses, and leptospirosis were found in small mammals in 4.9–9.4% of the studied animals on average per year. Of particular concern are the city of Kaluga, Borovsky, Babyninsky, Yukhnovsky, Ulyanovsk, Medynsky, Maloyaroslavetsky, Meshchovsky, Peremyshlsky, Kozelsky, Dzerzhinsky and Ulyanovsk districts. The data obtained indicate the stationarity of these diseases in the territory of the Kaluga region.


2020 ◽  
Author(s):  
Zhihai He ◽  
Baogui Jiang ◽  
Zihou Gao ◽  
Zongti Shao ◽  
Yun Zhang ◽  
...  

Abstract Background: Lyme disease, caused by Borrelia burgdorferi sensu lato (BBSL), is commonly found in wild and domestic mammals worldwide. In China, human cases of B. burgdorferi infections have been identified across a wide distribution, but little direct surveillance of potential small mammal reservoirs has been performed in Yunnan Province, a tropical region in southwestern China. Here we report a thorough investigation of BBSL in small mammals collected from 2011 to 2016 from this region.Methods: Small mammals were captured using snap traps in 23 counties located in Yunnan Province. DNA was extracted from spleen tissue using DNA blood and tissue kits. A nested PCR targeting the 5S-23S rRNA intergenic spacer gene of BBSL was used for pathogen detection. Amplicons of 252bp expected sizes were sequenced directly and analyzed using BLAST algorithm. A phylogenetic tree was constructed using MEGA software and statistical analysis were conducted using SPSS version 17.0.Results: Overall, 3659 mammals belonging to 57 species were captured at 159 sample sites located in 23 counties in Yunnan Province. Borrelia burgdorferi s.l. was found in 146 mammals (3.99%), from 30 different species, 20 of which represent the first reported detection in that species. Sequence analysis revealed five genotypes of B. burgdorferi s.l., including B. afzelii, B. burgdorferi sensu stricto, B. japonica, B. garinii and B. valaisiana.Conclusions: Significant differences in prevalence rates of BBSL were observed at varying landscape types and altitudes. Small mammals in forested areas had higher prevalence rates than other landscape types, as did small mammals found at altitudes greater than 2500 meters. The five genotypes of BBSL detected, suggests high genetic diversity within this province.


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