The role of birds in the maintenance of tick-borne infections in the Tomsk anthropurgic foci

Moskvitina, N. S.; Korobitsyn, Igor G.; Tyutenkov, O. Yu.; Gashkov, Sergey I.; Коnonova, Yu. V.; Москвитин, С. С.; Романенко, В. Н.; Mikryukova, Tamara P.; Протопопова, Е. В.; Kartashov, M. Yu.; Чаусов, Е. В.; Konovalova, Svetlana N.; Тупота, Н. Л.; Семенцова, А. О.; Va, Ternovoĭ; Loktev, V. B.

doi:10.1134/s1062359014040086

Cited by 7 publications

(7 citation statements)

References 3 publications

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“…This finding can also serve as an indirect confirmation of the hypothesis that the virus was introduced from the outside; the most likely scenario is that the virus was introduced by migrating birds. The spread of TBEV with migrating birds was shown in Tomsk city (Russia), in Sweden, Norway, and Estonia (Julia Hasle, 2013Hasle, , 2010Moskvitina et al, 2014;Waldenström et al, 2007). The avifauna of the studied forest park includes 83 species, including the fieldfare (Turdus pilaris), common blackbird (Turdus merula), redwing (Turdus iliacus), song thrush (Turdus philomelos), thrush nightingale (Luscinia luscinia), European robin (Erithacus rubecula) and common chaffinch (Fringilla coelebs) (Kalyakin et al, 2014).…”

Section: Discussionmentioning

confidence: 99%

First detection of tick-borne encephalitis virus in Ixodes ricinus ticks and their rodent hosts in Moscow, Russia

Makenov

Karan

Shashina³

et al. 2019

Ticks and Tick-borne Diseases

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Here, we report the first confirmed autochthonous tick-borne encephalitis case diagnosed in Moscow in 2016 and describe the detection of Tick-borne encephalitis virus (TBEV) in ticks and small mammals in a Moscow park.The paper includes data from two patients who were bitten by TBEV-infected ticks within the Moscow city limits; one of these cases led to the development of the meningeal form of TBE. Both TBEV-infected ticks attacked patients in the same area. We collected ticks and trapped small mammals in this area in 2017. All samples were screened for the presence of pathogens causing tick-borne diseases by PCR. The TBEV-positive ticks and small mammals' tissue samples were subjected to virus isolation. The sequencing of the complete polyprotein gene of the positive samples was performed.A total of 227 questing ticks were collected. TBEV was detected in five specimens of Ixodes ricinus. We trapped 44 small mammals, mainly bank voles (Myodes glareolus) and pygmy field mice (Apodemus uralensis). Two samples of brain tissue from bank voles yielded a positive signal in RT-PCR for TBEV. We obtained six virus isolates from the ticks and brain tissue of a bank vole. Complete genome sequencing showed that the obtained isolates belong to the European subtype and have low diversity with sequence identities as high as 99.9%. GPS tracking showed that the maximum distance between the exact locations where the TBEVpositive ticks were collected was 185 m. We assume that the forest park was free of TBEV and that the virus was recently introduced.

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Section: Discussionmentioning

confidence: 99%

First detection of tick-borne encephalitis virus in Ixodes ricinus ticks and their rodent hosts in Moscow, Russia

Makenov

Karan

Shashina³

et al. 2019

Ticks and Tick-borne Diseases

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“…Birds of prey may act as a reservoir for various contagious diseases to human such as Staphylococci, Influenza A virus, West Nile and tick-borne infections (20,27,34). Even though this study was not conducted to detect specifically diseases that can be transmitted to humans or animals, Staphylococcus species and Isospora rochalimai determined in this study can be considered in this group.…”

Section: Discussionmentioning

confidence: 98%

Postmortem findings on a group of Pica pica (Passeriformes: Corvidae)

Girişgin¹,

Demirer²,

Büyükcangaz³

et al. 2019

Ankara Üniversitesi Veteriner Fakültesi Dergisi

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Common magpies (Corvidae: Pica pica) distribute through rural and urban areas of Turkey. Because of their distribution in urbanised regions, magpies may have some potential infectious agents which may relate to domestic animals and humans. In this study, eight common magpies brought to the animal hospital in need of medical intervention were examined for endoparasites and bacteria in a one-year period. Additionally, histopathologic examinations with related organs were carried out along with endo-parasitical, cytological and microbial examination the following necropsy. As results of the necropsies, three parasite species including two helminths and one protozoan (Passerilepis sp., Brachylaima sp., Isospora rochalimai, respectively) were identified, while Staphylococcus xylosus, S. sciuri, Escherichia coli, Klebsiella pneumonia, Salmonella spp. were isolated after microbiological examination. Histopathology revealed that subacute focal mycotic pneumonia, chronic nonpurulent granulomatous gastroenteritis, verminous enteritis, and the presence of paratyphoid nodules in liver. Both of the parasites and bacteria are the first records for Turkey's helminth/bacterial fauna in wild birds.

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“…Feeding ticks were analysed for the presence of pathogens. We have previously reported the prevalence and intensity of tick infection in birds (Moskvitina et al 2014). Ticks from each bird were collected separately in Eppendorf tubes and after their species identification using a taxonomic guide (Filippova 1977), they were stored alive at 4°C or frozen at −20°C until the detection of pathogens.…”

Section: Bird Capture and Tick Collectionmentioning

confidence: 99%

“…The prevalence of tick-borne encephalitis virus (TBEV) and Borrelia spp. in questing ticks in the Tomsk region has been estimated to be up to 9.3 % and 28.5 %, respectively (Moskvitina et al 2014, Pankina et al 2015.…”

mentioning

confidence: 99%

“…Surprisingly, West Nile virus (WNV) was found in ticks from the genus Ixodes Latraille, 1795, which attack both humans and vertebrates. We assumed that the circulation of WNV in the tick vertebral system is theoretically possible (Moskvitina et al 2008(Moskvitina et al , 2014, which has been previously demonstrated experimentally (Azarova and Mishaeva 2002). Although several studies have focused on the detection of various pathogens in birds and ticks collected from them (Hildebrandt et al 2010, Špitalská et al 2011, Dubska et al 2012, Kang et al 2013, Movila et al 2013, Toma et al 2014, Diakou et al 2016, there is no clear information on the relationship between pathogens, vectors, and hosts.…”

mentioning

confidence: 99%

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Detection of tick-borne pathogens in wild birds and their ticks in Western Siberia and high level of their mismatch

et al. 2021

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The role of birds in the maintenance of tick-borne infections in the Tomsk anthropurgic foci

Cited by 7 publications

References 3 publications

First detection of tick-borne encephalitis virus in Ixodes ricinus ticks and their rodent hosts in Moscow, Russia

First detection of tick-borne encephalitis virus in Ixodes ricinus ticks and their rodent hosts in Moscow, Russia

Postmortem findings on a group of Pica pica (Passeriformes: Corvidae)

Detection of tick-borne pathogens in wild birds and their ticks in Western Siberia and high level of their mismatch

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