| [discovery of a nidus of high incidence of ixodes pavlovskyi pom. (parasitiformes, ixodidae) ticks and their spontaneous infection with tick-borne encephalitis virus]. | | 1974 | 4829591 |
| lyme disease spirochetes in ticks from northeastern china. | during may 1996, field surveys on lyme disease spirochetes were conducted in beijing, shenyang, fushun, and inner mongolia in northeastern china. the ticks collected consisted of 3 genera and 12 species. of these, ixodes persulcatus was dominant in sun-exposed vegetation in forests in inner mongolia; 57 borrelia strains (55/123 unfed adults and 2/5 immature stages fed on a rodent) were obtained from this tick by bsk culture. additionally, 2/2 apodemus peninsulae were positive. ixodes nipponensis ... | 1998 | 9645846 |
| [the intraspecific taxonomic structure and identification of closely related species of ixodid ticks (ixodidae)]. | two variants of intraspecific morphological differentiation of 7 palearctic species of ixodidae and respectively two variants of their intraspecific taxonomic pattern have been revealed on the basis of the study of geographic variation of each species. three species--ixodes pavlovskyi pom., 1946, haemaphysalis erinacei pavesi, 1884, hyalomma asiaticum sch. et schl., 1929, are subdivided into subspecies, and four ones--i. ricinus (l., 1758), i. persulcatus sch., 1930, i. crenulatus koch, 1844, de ... | 2000 | 10862394 |
| the first isolation of borrelia pathogenic for humans from ticks ixodes pavlovskyi pom. | | 2001 | 12918357 |
| [genetic characteristics of human pathogenic borrelia isolated from ixodes trianguliceps bir. and ixodes pavlovskyi pom]. | to support the results of typing the amplicon of the spacer site 5s-23s of prna by restriction fragment length polymorphism (rflp) assay, the isolates from the ticks i. trianguliceps and i. pavlovskyi underwent sequenation of rrf (5s)-rrl (23s) spacer to make a comparative analysis of derived nucleotide sequences with the ddbj/embl/ genbank databases. for this purpose, the authors used six isolates (three imago and three nymphal) from i. trianguliceps and three isolates from adult hungry i. pavl ... | 2005 | 15984608 |
| confirmation of tick bite by detection of antibody to ixodes calreticulin salivary protein. | ticks introduce a variety of pharmacologically active molecules into their host during attachment and feeding in order to obtain a blood meal. people who are repeatedly exposed to ticks may develop an immune response to tick salivary proteins. despite this response, people usually are unaware of having been bitten, especially if they are not repeatedly exposed to ticks. in order to develop a laboratory marker of tick exposure that would be useful in understanding the epidemiology of tick-borne i ... | 2006 | 16928887 |
| variability of the tick-borne encephalitis virus genome in the 5' noncoding region derived from ticks ixodes persulcatus and ixodes pavlovskyi in western siberia. | we report the prevalence of siberian and far eastern subtypes of tick-borne encephalitis virus (tbev) in ixodes persulcatus and ix. pavlovskyi ticks collected in tomsk and its suburbs during 2006-2008. the tbev was detected in 5.7% ticks collected in the city, where ix. pavlovskyi ticks were dominated and 7.5% ticks from suburban foci with prevalence ix. persulcatus ticks. genotyping of the virus showed that siberian subtype (89.5%) is predominant in individual ticks of tomsk suburbs; however, t ... | 2010 | 19877811 |
| the tick ixodes pavlovskyi as a host of spirochetes pathogenic for humans and its possible role in the epizootiology and epidemiology of borrelioses. | the tick ixodes pavlovskyi is taxonomically, morphologically, and ecologically close to the taiga tick ixodes persulcatus, a major host and vector of borrelia spirochetes. the recent range of i. pavlovskyi is disjoined into the western siberian and far eastern parts, with this tick being almost always sympatric with i. persulcatus. a total of 56 unfed adult i. pavlovskyi ticks from the biotope where this species was absolutely dominant (within the city limits of tomsk, western siberia) and 50 i. ... | 2010 | 19929222 |
| [abundance of ixodid ticks (ixodidae) in pastures situated near villages of east kazakhstan province]. | abudance of adult ixodid ticks on pastures situated near villages of east kazakhstan province has been festinated using the method or exhaustive capture. the number of adult ticks collected by flagging in the pastures with different ecological conditions varied in spring and autumm periods from 513 to 1036 per hectare. dermacentor marginatus was found to be absolutely dominating species; d. reticulatus showed small abundance; ixodes pavlovskyi, i. persulcatus and haemaphysalis concinna occurred ... | 2010 | 20536009 |
| [characteristics of the distribution of ticks ixodes persulcatus and ixodes pavlovskyi at the border between the forest and forest-steppe zones in the territory near ob river]. | field investigations performed in 2009 and 2010 in the novosibirskiy, toguchinskiy, and sovetskiy districts of novosibirsk province showed, that at present, ixodes persulcatus, i. pavlovskyi (subspecies i. pavlovskyi occidentals filippova et panova, 1998), and dermacentor reticulatus (fabricius, 1794) permanently cohabitate in the woodland park of the novosibirsk akademgorodok, and i. pavlovskyi is the dominating species there. the highest abundance of i. pavlovskyi was recorded in pine forests ... | 2011 | 21874842 |
| [changes in the ranges of pasture ixodid ticks of the genus ixodes latr., 1795 (parasitiformes, ixodinae) in western siberia]. | the character of distribution of two species from the genus ixodes, the taiga tick ixodes persulcatus and ixodes pavlovskyi in the plain part of western siberia is analyzed. the northern border of the range of i. persulcatus in hmao-ugra was clarified on the basis of long-term data on the population density of adult and immature ticks (1960-2011). the shift of the southern border of the species range in western siberia at the background of anthropogenic transformation (forest restoring activity, ... | 2012 | 23458015 |
| [identification of ixodes persulcatus and ixodes pavlovskyi occidentalis (ixodidae) by the analysis of the gene fragment coxi (cytochrome oxidase subunit i)]. | ticks of the genus ixodes were collected in 2010 in the lowland part of toguchinsk district of novosibirsk province (russia) and in the forest-park area of novosibirsk scientific centre and its outskirts (sovetskiy district of novosibirsk), and identified as ixodes persulcatus (schulze, 1930) (18 females and 13 males) and ixodes pavlovskyi (13 females and 10 males). ten specimens of each sex from each collecting site were examined. the following nine characters were used: the length and width of ... | 2012 | 23458013 |
| detection of microbial agents in ticks collected from migratory birds in central italy. | tick species characterization and molecular studies were performed within ornithological surveys conducted during 2010 and 2011 in the lazio region of central italy. a total of 137 ticks were collected from 41 migratory birds belonging to 17 species (four partial migrants and 13 long-distance migrants). most ticks were nymphs, with a predominance of hyalomma marginatum marginatum and h. m. rufipes, and a small portion of ixodes and amblyomma species. all tick species analyzed were infected, and ... | 2014 | 24576218 |
| comparative metagenomic profiling of symbiotic bacterial communities associated with ixodes persulcatus, ixodes pavlovskyi and dermacentor reticulatus ticks. | ixodes persulcatus, ixodes pavlovskyi, and dermacentor reticulatus ticks inhabiting western siberia are responsible for the transmission of a number of etiological agents that cause human and animal tick-borne diseases. because these ticks are abundant in the suburbs of large cities, agricultural areas, and popular tourist sites and frequently attack people and livestock, data regarding the microbiomes of these organisms are required. using metagenomic 16s profiling, we evaluate bacterial commun ... | 2015 | 26154300 |
| borrelia miyamotoi infection in nature and in humans. | borrelia miyamotoi is a relapsing fever borrelia group spirochete that is transmitted by the same hard-bodied (ixodid) tick species that transmit the agents of lyme disease. it was discovered in 1994 in ixodes persulcatus ticks in japan. b. miyamotoi species phylogenetically cluster with the relapsing fever group spirochetes, which usually are transmitted by soft-bodied (argasid) ticks or lice. b. miyamotoi infects at least six ixodes tick species in north america and eurasia that transmit lyme ... | 2015 | 25700888 |
| nested coevolutionary networks shape the ecological relationships of ticks, hosts, and the lyme disease bacteria of the borrelia burgdorferi (s.l.) complex. | the bacteria of the borrelia burgdorferi (s.l.) (bbg) complex constitute a group of tick-transmitted pathogens that are linked to many vertebrate and tick species. the ecological relationships between the pathogens, the ticks and the vertebrate carriers have not been analysed. the aim of this study was to quantitatively analyse these interactions by creating a network based on a large dataset of associations. specifically, we examined the relative positions of partners in the network, the phylog ... | 2016 | 27662832 |
| tick surveillance for relapsing fever spirochete borrelia miyamotoi in hokkaido, japan. | during 2012-2013, a total of 4325 host-seeking adult ticks belonging to the genus ixodes were collected from various localities of hokkaido, the northernmost island of japan. tick lysates were subjected to real-time pcr assay to detect borrelial infection. the assay was designed for specific detection of the relapsing fever spirochete borrelia miyamotoi and for unspecific detection of lyme disease-related spirochetes. overall prevalence of b. miyamotoi was 2% (71/3532) in ixodes persulcatus, 4.3 ... | 2014 | 25111141 |
| on the potential roles of ticks and migrating birds in the ecology of west nile virus. | mosquitoes are the primary vectors of west nile virus (wnv). ticks have, however, been suggested to be potential reservoirs of wnv. in order to investigate their role in the spread of the virus, ticks, which had been collected from birds migrating northwards from africa to europe, were analyzed for the potential presence of wnv-rna. | 2014 | 24455105 |
| the complete sequence of a west nile virus lineage 2 strain detected in a hyalomma marginatum marginatum tick collected from a song thrush (turdus philomelos) in eastern romania in 2013 revealed closest genetic relationship to strain volgograd 2007. | in this study the first complete sequence of the west nile virus (wnv) lineage 2 strain currently circulating in romania was determined. the virus was detected in a hyalomma marginatum marginatum tick collected from a juvenile song thrush (turdus philomelos) in the romanian danube delta close to the city of tulcea, end of august 2013. our finding emphasizes the role of ticks in introduction and maintenance of wnv infections. sequence analyses revealed close genetic relationship of the romanian w ... | 2014 | 25279973 |
| coevolutionary analyses of the relationships between piroplasmids and their hard tick hosts. | host-parasite coevolution is a key driver of biological diversity. to examine the evolutionary relationships between piroplasmids and their hard tick hosts, we calculated the molecular clock and conducted phylogenetic analyses of both groups. based on our results, we conclude that the divergence time of piroplasmids (∼56 mya) is later than divergence time of their hard tick hosts (∼86 mya). from analyses of the evolution of both piroplasmid and vector lineages and their association, we know that ... | 2013 | 24101988 |
| occurrence and genetic variability of kemerovo virus in ixodes ticks from different regions of western siberia, russia and kazakhstan. | kemerovo virus (kemv), a member of the reoviridae family, orbivirus genus, is transmitted by ixodes ticks and can cause aseptic meningitis and meningoencephalitis. recently, this virus was observed in certain provinces of european part of russia, ural, and western and eastern siberia. however, the occurrence and genetic diversity of kemv in western siberia remain poorly studied. therefore, the aim of this work was to investigate the prevalence and genetic variability of kemv in ixodes ticks from ... | 2017 | 27838528 |
| first detection of kemerovo virus in ixodes pavlovskyi and ixodes persulcatus ticks collected in novosibirsk region, russia. | kemerovo group viruses are tick-transmitted members of orbivirus genus of the reoviridae family that can cause infections of the central nervous system of humans. in this work, kemerovo virus (kemv) rna was detected for the first time in novosibirsk region of western siberia, russia, in ixodes pavlovskyi and ixodes persulcatus ticks. | 2014 | 24880473 |
| tick-borne encephalitis virus diversity in ixodid ticks and small mammals in south-western siberia, russia. | the persistence of tick-borne encephalitis virus (tbev) in nature is maintained by numerous species of reservoir hosts, multiple transmissions between vertebrates and invertebrates, and the virus adaptation to its hosts. our aim: was to compare tbev isolates from ticks and small wild mammals to estimate their roles in the circulation of the viral subtypes. | 2016 | 27303915 |
| surveillance of tick-borne encephalitis virus in wild birds and ticks in tomsk city and its suburbs (western siberia). | to study the role of wild birds in the transmission of tick borne encephalitis virus (tbev), we investigated randomly captured wild birds bearing ixodid ticks in a very highly endemic tbe region located in tomsk city and its suburbs in the south of western siberia, russia. the 779 wild birds representing 60 species were captured carrying a total of 841 ticks, ixodes pavlovskyi pom., 1946 (n=531), ixodes persulcatus p. sch., 1930 (n=244), and ixodes plumbeus leach. 1815 (n=66). the highest averag ... | 2014 | 24380691 |
| detection and genetic characterization of a wide range of infectious agents in ixodes pavlovskyi ticks in western siberia, russia. | the ixodes pavlovskyi tick species, a member of the i. persulcatus/i. ricinus group, was discovered in the middle of the 20(th) century in the russian far east. limited data have been reported on the detection of infectious agents in this tick species. the aim of this study was to investigate the prevalence and genetic variability of a wide range of infectious agents in i. pavlovskyi ticks collected in their traditional and recently invaded habitats, the altai mountains and novosibirsk province, ... | 2017 | 28545549 |
| bacteria of the family 'candidatus midichloriaceae' in sympatric zones of ixodes ticks: genetic evidence for vertical transmission. | ixodes ticks transmit infectious agents and also harbor their own parasites and symbionts. the presumptive endosymbiont of ixodes ricinus, 'candidatus midichloria mitochondrii', has a unique ability to invade mitochondria within tick ovarian cells and is transovarially transmitted with 100% efficiency. a closely related bacterium, provisionally named montezuma (now 'candidatus lariskella arthropodarum'), was isolated from the ixodes persulcatus ticks and human blood in 2004 as well as from ixode ... | 2017 | 28091705 |
| the genus ixodes (acari: ixodidae) in china with three new record species. | total 24 valid species belongs to 6 subgenera in genus ixodes had been documented in china. of them, eschatocephalus (2 species), scaphixodes (2 species); partipalpiger (1 species), pholeoixodes (3 species) ixodiopsis (1 species) and the largest subgenus ixodes (15 species) were involved. fortunately, we found another 3 new record species, namely i. (ixodes) apronophorus schulze, 1924, i. (ixodes)pavlovskyi pomerantzav, 1946 and i. (trichotoixodes) frontalis (panzer, 1798), from the specimens de ... | 2016 | 27787202 |
| horizontal migrations of the tick ixodes pavlovskyi toward a pedestrian walkway in an urban biotope (tomsk, western siberia). | the 4-year-long field experiment with ticks collected in the wild and immediately marked and released was performed in april-july 2012-2015 in a city park of tomsk (western siberia). a total of 1712 males and females of the tick ixodes pavlovskyi, vector of many dangerous diseases, were examined. the analysis of the data obtained had demonstrated that i. pavlovskyi was able to migrate towards the walkway, probably being attracted by periodical stimulation from passing humans and their pets. | 2016 | 27296846 |
| erratum to: genetic diversity of ixodes pavlovskyi and i. persulcatus (acari: ixodidae) from the sympatric zone in the south of western siberia and kazakhstan. | | 2016 | 26597590 |
| natural hybridization between ixodes ricinus and ixodes persulcatus ticks evidenced by molecular genetics methods. | the recently shown phenomenon of natural hybridization between ixodes persulcatus and ixodes pavlovskyi ticks (kovalev et al., 2015) stimulated similar studies in the sympatric zones of other tick species. in the present paper, 265 ixodes ricinus and i. persulcatus ticks from estonia were subjected to a search for interspecific hybrids based on nuclear (its2) and mitochondrial (cox1) markers as well as morphological features. surprisingly, only 72.1% of ticks morphologically identified as i. ric ... | 2016 | 26460161 |
| genetic diversity of ixodes pavlovskyi and i. persulcatus (acari: ixodidae) from the sympatric zone in the south of western siberia and kazakhstan. | the most epidemiologically significant tick species in siberia involved in transmission of a large number of pathogens causing human infectious diseases is ixodes persulcatus. ixodes pavlovskyi, being more active, also poses epidemiological threats. these tick species share morphology, activity seasons and geographic distribution range. in this paper, we characterize the geographic and genetic structures of i. persulcatus and i. pavlovskyi populations inhabiting the southern part of western sibe ... | 2015 | 26201397 |
| natural hybridization of the ticks ixodes persulcatus and ixodes pavlovskyi in their sympatric populations in western siberia. | hybridization of ticks of the genus ixodes has been described for several species under laboratory conditions although no molecular genetics evidence confirming interspecific hybridization in nature is available. we have designed a real time pcr targeted on nuclear (its2) and mitochondrial (cox1) markers to accurately identify tick species and to detect interspecific hybrids of ixodes persulcatus and ixodes pavlovskyi in their sympatric populations in western siberia. a survey of 783 individual ... | 2015 | 25858121 |
| long-term monitoring and population dynamics of ixodid ticks in tomsk city (western siberia). | monitoring of two tick species (ixodes persulcatus schulze 1930 and ixodes pavlovskyi pomerantsev) was performed in four city parks of tomsk, russia (camp garden, university park, southern cemetery, and polytechnic stadium) and in a control wild biotope in city environs (kolarovo) in 2002-2013. ticks were collected by flagging repeatedly after each 10 ± 1 days, starting from the disappearance of the snow cover till the end of tick activity (april-august). gradual penetration of both tick species ... | 2015 | 25633264 |
| complete mitogenome of the ixodid tick ixodes pavlovskyi (acari: ixodida). | here, we present complete mitochondrial dna sequence of ixodes pavlovskyi pom., 1946 for the first time. the mitogenome is 14,575 bp in length and contains 13 protein-coding genes, 2 rrna genes, 22 trna genes and a control region. the overall base composition is 40.1% t, 13.8% c, 37.9% a and 8.1% g. four protein-coding genes are initiated by att codon, three genes--by ata codon and atg start codon is found for six genes. only trna-lys, trna-ile, trna-arg are folded into the cloverleaf secondary ... | 2016 | 24621218 |
| [age changes in ixodes pavlovskyi (ixodinae) natural populations from novosibirsk and its outskirts]. | the age structure of i. pavlovskyi natural populations from novosibirsk and its outskirts was studied with the use of the fat reserves in the midgut and in the fat body as the age index. | 2013 | 23285737 |
| [distribution and ecology of ixodes pavlovskyi (ixodidae) in sykhote-alin]. | i. pavlovskyi is absent from the eastern macroslope of sykhote--alin, rare in the central part of the ridge and is quite common in western sykhote--alin where it accounts for no more than 10% of total collections with i. persulcatus. an average density of ticks in forests of western sykhote--alin is 50 to 80 active adults per hectare, maximum density - 150 specimens. larvae feed on various small mammals and birds, nymphs--on birds and mammals larger than sibirian chipmunk. adults feed on hedgeho ... | 2007 | 896263 |
| [data on the distribution of ixodes pavlovskyi pom. in the altai (acarina, ixodidae)]. | in the mountain-altai autonomous district ixodes pavlovskyi is mostly often encountered in forests of the lower parts of the low mountains. in the other parts of the low mountains and in the neighbouring belt of the middle mountains the species is rare. only single individuals of this tick penetrate into the central regions of the altai along the valleys of large rivers. | 2007 | 1221344 |
| [finds of ixodes pavlovskyi pom. (ixodoidea, ixodidae) ticks in kemerovo province]. | | 2007 | 4668524 |