| virus- and rickettsia-like structures in gut cells of dermacentor marginatus nymphs. | | 1976 | 11674 |
| [epidemiologic study on sheep ticks (dermacentor marginatus) of rickettsial infections]. | | 1978 | 346339 |
| [isolation of rickettsia of the spotted fever group (sf group) from dermacentor marginatus ticks in tirol, austria]. | | 1977 | 410728 |
| ultrastructure of some cutaneous sense organs in dermacentor marginatus nymphs. | the fine structure of the integumentary glands and mechanoreceptory setae in dermacentor marginatus nymphs is described. the integumentary gland is localized in the epidermal layer and secretory products pass through the duct lumen and two cuticular lips to the surface. ultrastructure of cuticular cavity represents triangular form with lateral folds. the mechanoreceptor setae are composed of glandular cells localized in the epidermal layer and cuticular setae movably articulated to the cuticle b ... | 1978 | 727555 |
| [prevalence of the ticks dermacentor marginatus (sulzer, 1776) and dermacentor reticulatus (fabricius, 1794) and their importance as vectors of diseases in germany (author's transl)]. | from a systematical study of german ticks resulted the occurrence of two tick species of the genus dermacentor. d. marginatus is found to be widely spread in southern germany. adults of the tick feed mainly on sheep. d. reticulatus is first described from germany where the tick occurs endemic in a limited forest area on red deer. the two tick species are known from neighbouring countries of germany in transmitting virus, rickettsiae, bacteriae and protozoa but are not yet well studied in germany ... | 1976 | 1006797 |
| [human babesiosis. study of vectors]. | babesiosis in an entity transmitted by tick bite presented in our medium producing high morbidity and mortality in immunodepressed patients. | 1992 | 1489774 |
| [an evaluation of the status of natural foci of crimean-congo hemorrhagic fever in the crimea]. | parasitological data, the results of virological and serological investigations of materials, collected in nature and during the study of the immune structure of the population and indicative of the circulation of cchf, virus in the crimea and the possibility of human infection, are presented. the data on the spontaneous cchf virus infection of 4 tick species belonging to the genus ixodes have been confirmed, and evidence on the participation of dermacentor marginatus in this process obtained fo ... | 1991 | 1759520 |
| notes on dermacentor ticks: redescription of d. marginatus with the synonymies of d. niveus and d. daghestanicus (acari: ixodidae). | dermacentor marginatus (sulzer 1776), a distinctive tick of the palearctic faunal region is redescribed from 941 specimens collected throughout its geographical range. the species display a very high intraspecific morphological variation, especially at the level of palpal dorsal spur, size of cornua, spiracular plate, scutal pattern, and female genital aperture, features commonly used in the determination of several species in the subgenus serdjukovia santos dias. however, the relative proportio ... | 1991 | 2033615 |
| [hibernation of dermacentor marginatus ticks in alpine armenia]. | only mature ticks, engorged females and hungry imago hibernate in mountain regions of armenia. according to the author's observations eggs of ticks as well as their larvae are not capable of hibernating. in females of spring satiation the development of eggs proceeds in most short periods from may to october. the longest period before the beginning of egg laying is observed in ticks of summer and autumn satiation. it becomes prolonged, in general, on account of hibernation of satiated females. f ... | 1986 | 2950367 |
| [the effect of the physiological age of dermacentor marginatus (ixodidae) ticks on their infection with and the infiltration of the tick-borne encephalitis virus into the saliva]. | the decisive effect of physiological age of ticks on the infection of their saliva was revealed by means of parenteral infection of d. marginatus females with tick-borne encephalitis virus. the virus was not found in the saliva of young individuals of instar ii. maximum number of cases of saliva infection was recorded in mature ticks of instar iii (50%). it was established that the infection of saliva did not depend on the amount of virus in the tick's body. less susceptibility to the virus of y ... | 1991 | 1923570 |
| epidemiology and significance of q fever in czechoslovakia. | over the last 35 years most parts of czechoslovakia have experienced q fever. of particular note were outbreaks in factories processing imported cotton, wool and hides that had been contaminated in their countries of origin. some areas of the southern part of central slovakia became a natural focus of q fever with the dermacentor marginatus tick being the main vector of coxiellae. currently, coxiella (c.) burnetii infection appears to be dormant in the country since only sporadic cases are encou ... | 1987 | 3324566 |
| water vapour uptake from subsaturated atmospheres by engorged immature ixodid ticks. | contrary to current opinion, fully engorged and detached larvae and nymphs of some ixodid ticks consistently take up substantial amounts of atmospheric water vapour and thereby display their regulative capacity for maintaining water balance in subsaturated air. net uptake of vapour generally begins some days after detachment and the capability persists until shortly after initiation of apolysis, a period which in diapausing specimens may extend up to several months. this was shown for ixodes ric ... | 1988 | 3378463 |
| arbovirological survey in silica plateau area, roznava district, czechoslovakia. | the serosurveys conducted in the silica plateau area of the slovak karst region revealed the presence of specific neutralizing antibody against tick-borne encephalitis (tbe) virus in 18% of local inhabitants (33 examined, mostly goats and sheep farmers), 54% of goats (26 examined), 18% of sheep (120 examined) and 13% of cattle (60 examined), against lipovník (lip) virus in 30% of inhabitants, 88% of goats, 55% of sheep and 45% of cattle, and against bhanja (bha) virus in 27% of inhabitants, 46% ... | 1986 | 3701055 |
| [studies on ticks (acarina, ixodidae), parasites of cattle in west algeria. i. systematic survey and seasonal activity]. | tick samples (acarina, ixodidae) were collected for two years on bovidae from the whole oran area which were brought weekly at the oran open market (algeria). the 5,500 ticks thus obtained could be divided into six genera and twelve species. from the phenological analysis the following were defined: three spring species (rhipicephalus bursa, rh. turanicus and rh. sanguineus), three summer species (hyalomma detritum, h. impeltatum and boophilus annulatus), three winter species (ixodes ricinus, ha ... | 1986 | 3813419 |
| extensive examination of different tick species for infestation with coxiella burnetii in slovakia. | between 1987-1989 almost 7000 adult ixodes ricinus, dermacentor reticulatus, dermacentor marginatus, haemaphysalis concinna, haemaphysalis punctata and haemaphysalis inermis ticks collected in all 38 districts of slovakia were screened for the presence of coxiella burnettii. the proportion of ticks containing c. burnetii as indicated by the haemocyte test was less than 3%. attempts to recover c. burnetii by inoculation of yolk sacs of embryonated hen eggs from pools of 1-6 specimens of haemocyte ... | 1991 | 1884784 |
| two strains of rickettsiae of rocky mountain spotted fever group recovered from dermacentor marginatus ticks in czechoslovakia. results of preliminary serological identification. | | 1969 | 4389040 |
| transmission of tick-borne encephalitis (tbe) virus by dermacentor marginatus and d. reticulatus ticks. | | 1971 | 4398089 |
| localization of tick-borne encephalitis virus in alveolar cells of salivary glands of dermacentor marginatus and haemaphysalis inermis ticks. | | 1972 | 4404901 |
| [isolation of bhanga virus from ticks, dermacentor marginatus, on the territory of the armenian ssr]. | | 1974 | 4460655 |
| [q fever endemic in the palatinate]. | in 1989 investigations revealed a small scale outbreak of q fever in the area of vorderpfalz several kilometers west of the city of ludwigshafen/rhein. in 16 cases the diagnosis of q fever has been serologically confirmed by complement fixation test (cf), the estimated number of unknown cases, however, may be considerable. a flock of sheep was determined as the source of infection. due to the prevalence of the tick species dermacentor marginatus, one of the main vectors of the infection, the are ... | 1992 | 1579564 |
| the ecology and public health importance of dermacentor marginatus and d. reticulatus ticks in central europe. | | 1972 | 4670812 |
| [results concerning dermacentor marginatus and reticulatus gathered in different regions of france and their contamination by rickettsia or similar elements]. | | 1965 | 4954011 |
| [an assessment of the status of natural foci of crimean-congo hemorrhagic fever in the crimea]. | the parasitological data and the results of the virological and serological investigations of materials, collected in nature and in the course of study of the immune structure of the population, are indicative of the circulation of chf virus in the crimea and the possibility of human infection. data on spontaneous infection of four species of ixodes ticks with chf virus have been confirmed, including the data, obtained for the first time for this region, on the participation of dermacentor margi ... | 1992 | 1379771 |
| [distribution and ecology of dermacentor marginatus (sulzer, 1776) (ixodoidea) in the french alps and their foothills]. | | 1983 | 6650102 |
| [plant smells---important determinants in the behavior and rate of development of ixodid disease vectors]. | experiments with nymphs of ixodes persulcatus and dermacentor marginatus have shown that the rate and degree of engorgement, dropping off from the mouse, metamorphosis longevity and weight of emerging imagoes change under plant odour influence. the influence of acetone extract vapours of pepper, poplar buds, linden and aspen was tested. under the influence of the vapour, acting as an attractant for the adults, engorgement weight of their nymphs and the weight of imagoes emerging from them increa ... | 1992 | 1364524 |
| detection of human bhanja virus-specific antibodies in czechoslovakia. | blood sera from 185 czechoslovak citizens, residents of south-moravia (znojmo district: 107, breclav district: 13) and east-slovakia (roznava district: 65) regions, were examined for the presence of neutralizing antibodies to bhanja arbovirus, using ps and vero cell lines, constant dose of virus and serial serum dilutions. specific antibody titres greater than or equal to 1:10 were detected in the sera of 10 persons (i.e. 5.4% of all examined), of which 5 men and 4 women were from district of ro ... | 1982 | 7119432 |
| [distribution area of dermacentor marginatus ticks in the ussr]. | | 1982 | 7121400 |
| [a trial at using the systemic action of ivermectin for suppressing the vector capacity of ticks (ixodidae) infected with the tick-borne encephalitis virus]. | adult dermacentor marginatus hatched from nymphs infected with tbe virus and poisoned with ivermectin retain their vector abilities. even small individuals with a 1.5-2 times lesser mass as against the reference mass contain the virus in the body in the same titers and the virions in salivary gland alveoli. administration of an oil solution of ivermectin into the stomach of white mice, nymph feeders, in a dose surpassing threefold the dose recommended for intramuscular injection of this agent co ... | 1992 | 1299761 |
| study of rickettsioses in slovakia. i. coxiella burneti and rickettsiae of the spotted fever (sf) group in ticks and serological surveys in animals and humans in certain selected localities in the lucenec and v. krtís districts. | a study of the natural focus character of q fever and the rickettsiosis caused by organisms of the sf group carried out in 1971-1973 in 7 selected villages in the lucenec district and in a few control villages in the v. krtis district, produced the following results: among a total number of 2,200 ticks belonging to the species dermacentor marginatus, ixodes ricinus and haemaphysalis punctata and tested for the presence of rickettsial organisms by the haemocyte test, c. burneti was detected in 8 ... | 1975 | 1092754 |
| seasonal activity of ixodid ticks on goats in northern greece. | ixodid ticks were collected at monthly intervals for 20 consecutive months from 25 goats of the local breed selected at random from a flock grazing permanently around a village in northern greece. three species of ixodid ticks were recovered, ixodes gibbosus, rhipicephalus bursa and dermacentor marginatus. i gibbosus was the most abundant and prevalent species. it was found on the animals from october to april, and its activity increased with lower mean temperatures and higher relative humiditie ... | 1995 | 7571251 |
| [parasitic horse ticks in italy. observations on their distribution and pathogenic role]. | the following 13 species of ticks, belonging to ixodidae family, were recorded in italy on horse (equus caballus) since 1931: ixodes ricinus, i. gibbosus, haemaphysalis inermis, h. parva, h. punctata, h. sulcata, dermacentor marginatus, rhipicephalus sanguineus, rh. bursa, rh. turanicus, hyalomma marginatum, hy. detritum, boophilus annulatus. the regional distribution and the role of the species in the transmission of pathogens are reported. | 1994 | 7637997 |
| [new faunal and biological observations on ticks in abruzzo]. | ticks collected during the years 1975-76 in abruzzo (prov. l'aquila and chieti) italy are reported. the following species have been identified: ixodes canisuga, ixodes frontalis, ixodes hexagonus, ixodes ricinus, dermacentor marginatus, haemaphysalis sulcata, rhipicephalus bursa, rhipicephalus sanguineus, hyalomma marginatum. new hosts are: felis catus for ixodes canisuga; scolopax rusticola, motacilla flava, corvus cornix for ixodes frontalis; sciurus vulgaris for haemaphysalis punctata; garrul ... | 1976 | 1032325 |
| [rickettsia slovaca: an agent of the group of exanthematous fevers, in portugal]. | identification of rickettsia isolated from dermacentor marginatus ticks from portugal. | 1995 | 7779874 |
| first record of bacillary rickettsia-like organisms in european tick dermacentor marginatus (sulzer). | bacillary rickettsia-like organisms (brlo) were found in the tick dermacentor marginatus. they are gram-negative and differ from common bacteria and reckettsiae both in the cultivation conditions and morphology. brlo are non-pathogenic for ticks and guinea pigs. in our studies they were isolated on half-engorged females of d. marginatus, on which they are still maintained. | 1976 | 1017754 |
| rickettsiae of the spotted fever isolated from dermacentor marginatus ticks in south germany. | rickettsiae of the spotted fever group were detected by haemocyte test in 8 (12%) of 51 partially engorged dermacentor marginatus females collected in march/april 1975 in south germany. four strains of rickettsiae were isolated from ticks positive in haemocyte test. it was concluded with isolated strain brd-1 and homologous immune guinea pig, hamster and mouse sera in cf cross reactions with antigens and immune sera against other members of the sf group, that the newly isolated strains are simil ... | 1977 | 930478 |
| [electrophoretic study of the proteins of the hemolymph, intestine, excrement (and ova) of active and dispausal dermacentor marginatus sulz (ixodidae) females]. | the polyacrylamide-gel electrophoresis was used to separate the negative charged proteins from adult females of the tick dermacentor marginatus sulz. there were separated up to 25 protein bands from haemolymph and up to 19 bands from midgut extracts of the engorged females. the number of protein bands in excreta and eggs was 15 and 18 respectively. haemoproteins from haemolymph, midgut and eggs were different in their electrophoretic mobility. active and diapausing ticks showed essential differe ... | 1977 | 865869 |
| possibilities of persistence in new biotopes of ticks imported by birds. | survival and development of 6 tick species (hyalomma anatolicum, rhipicephalus sanguineus, haemaphysalis punctata, dermacentor marginatus, d. reticulatus and ixodes ricinus) were studied in 3 groups differing in the range of distribution with respect to the place of importation, as a model for the knowledge of their possible inclusion in the new local biocenosis during transportation by natural hosts. | 1977 | 852771 |
| rickettsiae of the spotted fever group in hungary. | rickettsiae were detected by haemocyte test in 7.2% of dermacentor marginatus and 4.7% of d. reticulatus ticks collected in hungary. six strains of rickettsiae were isolated from positive specimens. these rickettsiae according to cfr are closely related, probably identical with r. slovaca and they represent the first rickettsiae of the spotted fever group found in that country. | 1979 | 544393 |
| [importance of ixodid ticks in the transmission and preservation of the causative agent of crimean hemorrhagic fever in foci of the infection]. | experimental infection of hyalomma plumbeum panz., rhipicephalus rossicus jak. et k. jak. and dermacentor marginatus sulz. with the virus of the crimean hemorrhagic fever has shown that preimaginal phases of the above ticks easily receive an infection agent from the infected donor, preserve it for a long time, transmit it through a bite during feeding to susceptible animals; during metamorphosis they transmit this agent to the subsequent developmental phases as well as to the progeny of the infe ... | 1976 | 134339 |
| [control of the tick dermacentor marginatus]. | | 1975 | 56080 |
| razdan virus, a new ungrouped bunyavirus isolated from dermacentor marginatus ticks in armenia. | a virus, designated razdan, was isolated from dermacentor marginatus ticks in the armenian s.s.r. in 1973. the complement fixation tests revealed no antigenic relationships to 74 tick-borne arboviruses. the size of the virus is about 100 nm; it agglutinates goose erythrocytes at ph 5.5--7.0, is pathogenic for newborn, 14-day-old and adult white mice and multiplies in primary and continuous cell cultures. morphological properties of the virus permit its classification as a member of the family bu ... | 1978 | 35950 |
| massive occurrence of rickettsiae of the spotted fever group in fowl tampan, argas persicus, in the armenian s.s.r. | fowl tampans (argas persicus) collected in oktemberyan in the armenian s.s.r. in 1974 were found to be massively infected with rickettsiae of the spotted fever (sf) group. one isolated rickettsial strain, designated armenia 9, is antigenically related to, and probably identical with, strain armenia 11 and strain b of rickettsia slovaca, isolated from dermacentor marginatus ticks. strain armenia 9 grows readily in chick embryo yolk sacs and in chick embryo cell (cec) and l-cell cultures. it cause ... | 1977 | 22239 |
| ticks of domestic animals in the macedonia region of greece. | a study was carried out on ticks of domestic animals in the macedonia region of greece. during 1983-1986, 11,620 tick specimens, belonging to 18 species and subspecies, were collected from cattle, sheep, goats and dogs, in 64 localities throughout macedonia. rhipicephalus bursa, the most common tick, and hyalomma marginatum marginatum occurred in all bioclimatic zones, as well as the two one-host ticks, boophilus annulatus and h. detritum scupense, which were present in fewer localities. r. tura ... | 1996 | 8792578 |
| the supercooling ability of ticks (acari, ixodoidea). | the supercooling capacity of nine laboratory-held species of ticks originating from different geographical areas, as well as five field-collected species from germany, was investigated. all but one tick species showed mean supercooling points between about -17 and -23 degrees c, suggesting that the capacity to supercool to temperatures of < or = -17 degrees c might be an inherent property of many tick species unrelated to their geographic origin. photoperiod did not influence the mean supercooli ... | 1996 | 8981761 |
| [behavior of the tick-borne encephalitis virus in dermacentor marginatus sulz (ixodidae) ticks of different physiological ages]. | | 1988 | 3173241 |
| isolation of "exotic" bhanja virus (bunyaviridae) from ticks in the temperate zone. | one strain of bhanja virus was isolated from dermacentor marginatus male ticks collected from sheep in slovak karst, eastern czechoslovakia (48 degrees 31'n, 20 degrees 28'e). in addition, three strains of brezová virus (subtype of tribec orbivirus, reoviridae) were isolated from ixodes ricinus ticks. the result represents the northernmost isolation of bhanja virus and, moreover, its first recovery from d. marginatus in europe. cross-neutralization plaque reduction test revealed antigenic simila ... | 1988 | 3140767 |
| 18s rrna gene sequences and phylogenetic relationships of european hard-tick species (acari: ixodidae). | the complete 18s rrna gene sequences of the following six european hard-tick species were obtained by direct pcr cycle sequencing and silver-staining methods: rhipicephalus pusillus, boophilus annulatus, dermacentor marginatus, hyalomma lusitanicum, haemaphysalis punctata, and ixodes ricinus. differences observed in the sequence alignment of these six species together with the 18s rrna gene sequences of 13 other hard-tick species demonstrate that this gene is a good marker for supraspecific diff ... | 1998 | 9491423 |
| replication of tick-borne encephalitis (tbe) virus in ticks dermacentor marginatus. | in the laboratory experiments, the virophoric period in d. marginatus ticks lasted 61 to 81 d, the premoulting period (nymphs - adults) amounted to 17 to 18 d. the titres of individually examined females and males for the presence of tbe virus ranged from 10(1) to 10(5.5) ic mouse ld50/0.03 ml between the 14th and 29th day after hatching. in the laboratory experiments 77% of ticks were positive. in the field experiments, the virophoric period in d. marginatus ticks lasted 79 to 114 d, the premou ... | 1985 | 2992317 |
| [vertical migrations of hungry imagoes of the tick dermacentor marginatus]. | the ticks of d. marginatus display activity at a temperature of 3 to 16 c and relative humidity of 20 to 75%. at a low temperature higher than 19 c their activity is inhibited throughout the whole autumn period at any time of the day. active appearance of ticks on the stems of vegetation was recorded at 8c and higher in august and the first decade of september (in the morning 16%, in the day time 7.5% and in the evening 74% of ticks become active). as a rule the most high percentage of ticks (56 ... | 1987 | 2963257 |
| [detection of an increase in the proportion of tick-borne encephalitis virus-infected dermacentor marginatus sulz. among active females of older physiological ages]. | numbers of active females of dermacentor marginatus ticks infected parenterally with tick-borne encephalitis virus are compared. increase in this proportion is demonstrated with ticks' physiological aging. epidemiological and epizootic importance of the discovered phenomenon are the increase in the probability of persistent virus circulation throughout the season, since only active individuals are capable of virus transmission. besides, it is among them that the virus is most frequently found in ... | 1989 | 2528671 |
| [ixodid ticks of pavlodar province and their participation in the circulation of tularemia infection]. | investigations carried out in pavlodar province have shown that 7 species of ixodid ticks, ixodes crenulatus, i. lividus, i. persulcatus, i. laguri laguri, dermacentor marginatus, d. reticulatus, haemaphysalis concinna, and one brought species, hyalomma asiaticum, parasitize domestic animals and wild mammals. maximum activity of pasture ticks of the genus dermacentor falls on the end of april--beginning of may, that of h. concinna on the beginning of june. the growth in the abundance of pasture ... | 1989 | 2528108 |
| mitochondrial 16s rdna sequences and phylogenetic relationships of species of rhipicephalus and other tick genera among metastriata (acari: ixodidae). | the mitochondrial 16s rrna gene sequences of the following eight european metastriata tick species were obtained by direct polymerase-chain-reaction cycle sequencing and silver-staining methods: rhipicephalus bursa, r. pusillus, r. sanguineus, r. turanicus, boophilus annulatus, dermacentor marginatus, haemaphysalis punctata, and hyalomma lusitanicum. this mitochondrial gene seems to be a good marker for the establishment of genetic relationships among closely related tick species, but it does no ... | 1998 | 9660138 |
| borrelia burgdorferi in ticks of the canton tessin (switzerland). | in the northern alps it is hard to find an ixodes ricinus population which does not harbour borrelia burgdorferi. the infection rates range from 5 to 34% for adults and nymphs to 3.1% for larvae. this study shows that the infection rates on the southern side of the alps are similar, at 25% for adults, 36.2% for nymphs and 3.2% for larvae. with respect to tick species other than i. ricinus, we did not succeed in finding any spirochetes in dermacentor marginatus, haemaphysalis punctata, ixodes hex ... | 1990 | 2132440 |
| [one of the developmental dead ends or a method of dispersal of the pasture tick dermacentor marginatus]. | accumulation of pasture ticks dermacentor marginatus has been discovered in the wool of sheep, 5-6 cm from the skin surface, the temperature in those sites being permanent 18-20 degrees c. the ticks died either in the course or following ovipositor. it may be assumed that this was followed by the appearance of larvae from oocysts. it is suggested that the above phenomenon is one of the deadlines in dermacentor marginatus development or one of the unusual ways of their larvae habitation on pastur ... | 1991 | 2067499 |
| [development of winter diapause and response to the day length in dermacentor marginatus sulz ticks in the central kazakhstan]. | | 1967 | 4238411 |
| body lice as tools for diagnosis and surveillance of reemerging diseases. | body lice are vectors of three bacteria which cause human disease: rickettsia prowazekii, the agent of epidemic typhus; bartonella quintana, the agent of trench fever; and borrelia recurrentis, the agent of relapsing fever. a recrudescence of body lice is being observed as the numbers of individuals living under social conditions which predispose individuals to infestation have increased. because this phenomenon may lead to the reemergence of infections transmitted by body lice, we aimed to asse ... | 1999 | 9986818 |
| the ecology, bionomics, behaviour and public health importance of dermacentor marginatus and d. reticulatus ticks. | | 1972 | 4660776 |
| the ecology of ticks in the tribec and hronský inovec mountains. | ecological studies on ticks are an essential part of epidemiological investigations on arbovirus infections. the paper deals with the distribution, bionomy, trophic relationships and rearing of ticks in the laboratory and refers to the role of ixodes ricinus ticks as vectors of the tick-borne encephalitis virus. the ticks that are common to the region are i. ricinus, i. hexagonus, i. trianguliceps, haemaphysalis concinna, h. punctata, h. inermis and dermacentor marginatus. i. ricinus, which is v ... | 1967 | 5298541 |
| [transmission of babesia microti by nymphs of dermacentor marginatus, d. reticulatus, haemaphysalis punctata, rhipicephalus sanguineus and ixodes hexagonus]. | | 1982 | 7080616 |
| tick species parasitizing people in an area endemic for tick-borne diseases in north-western italy. | in 1995 and 1996, 318 ticks were recovered from 240 people in liguria (province of savona, italy). most of the ticks (284; 89.3%) were sheep ticks, ixodes ricinus. rhipicephalus sanguineus (31; 9.8%) and dermacentor marginatus (3; 0.9%) were also recorded. all three life stages of i. ricinus were found on humans while only nymphs and adults of r. sanguineus and adults of d. marginatus were collected. human tickbites were most frequent in the municipalities of the province where roe deer density ... | 1999 | 10870560 |
| general review of tick species present in portugal. | at present, 24 species are known to occur in portugal: argas vespertilionis, ornithodoros maritimus and ornithodoros erraticus in argasidae; ixodes acuminatus, ixodes bivari, ixodes canisuga, ixodes frontalis, ixodes hexagonus, ixodes ricinus, ixodes simplex simplex, ixodes ventalloi, ixodes vespertilionis, dermacentor marginatus, dermacentor pictus', haemaphysalis hispanica, haemaphysalis inermis, haemaphysalis punctata, rhipicephalus bursa, rhipicephalus pusillus, rhipicephalus sanguineus, rhi ... | 1999 | 11071535 |
| [q fever (author's transl)]. | comparative analysis of two q fever epidemics in baden-württemberg demonstrated the following characteristics of this zoo-anthroponosis endemic in southern germany: 1. affected areas are situated along sheep tracks and natural concentrations of the dermacentor marginatus. 2. the disease spreads in waves. 3. it causes typical symptoms, particular an intense tension headache, and typical radiographic findings. men are more commonly and more severely affected than women. children are not affected d ... | 1981 | 7307989 |
| tick species infesting ruminants in italy: ecological and bio-climatic factors affecting the different regional distribution. | the distribution of tick species able to infest ruminants in italy is briefly reviewed on the basis of published records and new data obtained in several surveys carried out mainly in northern italy. the most frequent and abundant tick species found on ruminants throughout italy are ixodes ricinus and dermacentor marginatus, the first gradually replacing its association with sheep by the association with wild ruminants. rhipicephalus bursa was mainly found on cattle while r. turanicus, which is ... | 1999 | 11071542 |
| the ultrastructure of rickettsia slovaca in naturally infected females of the tick dermacentor marginatus. | the ultrastructure of rickettsia slovaca in naturally infected females of the tick dermacentor marginatus is similar to that of other members of the spotted fever group rickettsiae. r. slovaca was found to multiply in all organs, tissues and cells examined. it is primarily found free in the cytoplasm; occasionally it may also invade the cell nucleus. special attention was paid to the rickettsiae in the salivary gland. they multiply in all cells of the three acini types i-iii and also in the duct ... | 1980 | 7406420 |
| detection of haemoparasites in cattle by reverse line blot hybridisation with a note on the distribution of ticks in sicily. | a reverse line blot hybridisation (rlb) of 21 oligonucleotides with polymerase chain reaction (pcr) amplified regions of 16s rrna (ehrlichia/anaplasma group) or 18s rrna (babesia/theileria group) genes of haemoparasites detected theileria annulata, t. buffeli/orientalis, babesia bovis, b. bigemina, b. divergens, ehrlichia bovis, anaplasma marginale, a. centrale and unknown species within the rickettsia tribe.a very high prevalence of mixed infections was detected, which indicated that animals in ... | 2001 | 11511414 |
| [temporal distribution of ticks (acarina: ixodidae) in "macchia grande" park in manziana in the province of rome]. | temporal distribution of tick species was studied in the woodland "macchia grande" of manziana in the province of rome, italy. a total of 2,494 ticks was collected by means of drag sampling during one year of survey (1993). among the species identified, ixodes ricinus (linnaeus, 1758) (95.9%) was the most abundant, followed by haemaphysalis inermis (birula, 1895) (2.2%), rhipicephalus bursa (canestrini e fanzago, 1877) (1.8%), dermacentor marginatus sulzer, 1776) (0.1%). i. ricinus was present d ... | 1994 | 7638000 |
| genomic identification of rickettsia slovaca among spotted fever group rickettsia isolates from dermacentor marginatus in armenia. | restriction fragment length polymorphism (rflp) analysis of polymerase chain reaction (pcr) amplified genes was used for genomic identification of armenian isolates of the spotted fever group (sfg) rickettsiae with unclear taxonomic position. analysis was performed by using one genus-specific primer pair derived from r. prowazekii citrate synthase gene and two species-specific primer pairs derived from r. rickettsii genes for 190 k and 120 k antigens following alui, psti and rsai digestion of am ... | 1994 | 7793355 |
| genotypic evaluation of rickettsial isolates recovered from various species of ticks in portugal. | twelve rickettsial isolates, from rhipicephalus sanguineus, r. turanicus, dermacentor marginatus and hyalomma marginatus, were subjected to genotypic analysis. amplification of specific dna sequences, restriction endonuclease digestion of amplified dna products, and gel electrophoresis were used to identify specific dna fragment-banding patterns. five patterns were resolved. four were homologous with those of previously described rickettsial genotypes, r. conorii, r. slovaca, r. rhipicephali and ... | 1995 | 7867736 |
| detection of rickettsia prowazekii in body lice and their feces by using monoclonal antibodies. | in order to identify rickettsia prowazekii in lice, we developed a panel of 29 representative monoclonal antibodies selected from 187 positive hybridomas made by fusing splenocytes of immunized mice with sp2/0-ag14 myeloma cells. immunoblotting revealed that 15 monoclonal antibodies reacted with the lipopolysaccharide-like (lps-l) antigen and 14 reacted with the epitopes of a 120-kda protein. only typhus group rickettsiae reacted with the monoclonal antibodies against lps-l. r. felis, a recently ... | 2002 | 12202579 |
| genotypic and biological characteristics of non-identified strain of spotted fever group rickettsiae isolated in crimea. | a strain of rickettsiae, designated crimea-108, was isolated from ticks dermacentor marginatus in the crimea in 1977. its immunobiological characteristics involve low pathogenicity for experimental animals, moderate infectivity for chick embryos, and antigenic relatedness to spotted fever group (sfg) rickettsiae (r. sibirica, r. conorii, r. akari), especially to r. sibirica. the genotypic characterization of the strain crimea-108 was carried out in comparison with sfg and typhus group rickettsia ... | 1993 | 7912040 |
| identification of spotted fever group rickettsiae isolated from dermacentor marginatus and ixodes ricinus ticks collected in switzerland. | when 155 ticks collected in different regions of switzerland were tested by the hemolymph test, 10.3% were found to contain spotted fever group rickettsiae. six rickettsial isolates were made from dermacentor marginatus ticks and three were made from ixodes ricinus ticks. the polymerase chain reaction followed by restriction fragment length polymorphism analysis showed that the dermacentor ticks were infected with rickettsia length polymorphism analysis showed that the dermacentor ticks were inf ... | 1994 | 7915498 |
| first isolation of rickettsia slovaca from dermacentor marginatus in france. | three rickettsial strains isolated from dermacentor marginatus ticks in southern france in 1991 were characterized by sodium dodecyl sulfate-polyacrylamide gel electrophoresis, western blotting with polyclonal mouse antisera, microimmunofluorescence serologic typing, and the polymerase chain reaction followed by analysis of restriction fragment length polymorphisms. by these methods, the isolates appear to be identical to the spotted fever group rickettsia, rickettsia slovaca, which has so far b ... | 1993 | 8095380 |
| [specific features of the parasitic system of crimean haemorrhagic fever in stavropol' region during epidemic season of 2000]. | information on crimean haemorrhagic fever (chf) in different climatic zones of the krasnodar territory is presented. the epidemiological importance of some species of ixodes ticks as vectors of the causative agent of chf was shown. ticks hyalomma marginatum proved to be the main vector species: they constituted 75-100% of all ticks collected from cattle, reaching the peak of their abundance in may. this species was found to be more aggressive than dermacentor marginatus. | 2001 | 12718192 |
| detection of coxiella burnetii in ticks collected in slovakia and hungary. | a total of 235 adult ticks collected from vegetation in slovakia and hungary in 1998-2000 were tested for coxiella burnetii by polymerase chain reaction-restriction fragment length polymorphism (pcr-rflp). c. burnetii was identified in six ticks of ixodes ricinus, dermacentor marginatus, and haemaphysalis concinna species. | 2003 | 12800953 |
| antigen-capture enzyme immunoassay: a comparison with other methods for the detection of spotted fever group rickettsiae in ticks. | to evaluate the prevalence of spotted fever group rickettsiae along the adriatic coast of croatia, 832 ticks were examined by hemolymph test, direct immunofluorescence, antigen-capture enzyme immunoassay, and polymerase chain reaction. very good agreement was observed among direct immunofluorescence, polymerase chain reaction, and antigen-capture enzyme immunoassay. twelve ticks that were positive by hemolymph test and negative by both direct immunofluorescence and polymerase chain reaction pres ... | 1994 | 8147495 |
| [vectors of borrelia burgdorferi]. | during the period 1990-1992-5,915 ticks were collected and identified in the area of belgrade. identification has shown that 99.8% were ixodes ricinus and 0.2% dermacentor marginatus. infection with borrelia burgdorferi was found in 27.0% to 31.7%. females were more often infected than males and nymphs more often than larvae. tick infection was at lowest degree in parks, little bit higher in woods and highest in mixed park-wood areas. out of 28 locations, six can not be defined as foci of lyme b ... | 1993 | 8262425 |
| [distribution of ixodes ricinus ticks in yugoslavia]. | in this paper the authors present distribution of tick ixodes ricinus in both republics of yugoslavia--serbia and montenegro. the ticks were collected from domestic animals and humans sporadically. the determination showed following species: ixodes ricinus, i. persulcatus, i. hexagonus, dermacentor marginatus, d. pictus, rhipicephalus bursa, r. sanguineus, haemaphysalis punctata, h. inermis, h. sulcata, h. leporis-palustriis, h. concinna, boophilus (margaporus) calcaratus, hyalomma savignyi, h. ... | 1993 | 8262430 |
| internal and external mycoflora of the american dog tick, dermacentor variabilis (acari: ixodidae), and its ecological implications. | scopulariopsis brevicaulis, the anamorph of microascus brevicaulis (microascaceae, ascomycota), has been identified in the body contents of the tick dermacentor variabilis. after topical application of the fungal inoculum, tick mortality was marked. this is the first account describing the internal mycoflora of d. variabilis with a novel technique used to recover potential biological control agents. | 2003 | 12902299 |
| occurrence of different genospecies of borrelia burgdorferi sensu lato in ixodid ticks of valais, switzerland. | a total of 825 adult ticks (727 ixodes ricinus, 72 dermacentor marginatus and 26 haemaphysalis punctata) was collected from vegetation in valais (switzerland) in 1987 to 1992. they were examined for the presence of borrelia burgdorferi sensu lato, the etiologic agent of lyme borreliosis. b. burgdorferi sensu lato was detected by indirect immunofluorescence assay, dark field microscopy and/or culture in 221 out of 727 i. ricinus (30.4%) and none in the other two species. from these 221 infected t ... | 1995 | 8549716 |
| spatial distribution and seasonality of ticks (acarina: ixodidae) in a protected area in the northern apennines. | infestation of small rodents by ixodid ticks and frequency of host-seeking ticks collected by dragging were studied at orecchiella natural park (northern apennines) in 1994 and 1995. levels of infestation of apodemus spp. by immature dermacentor marginatus were higher in beech wood (5.1 larvae and 1.3 nymphs per mouse) than in oak-chestnut wood and in coniferous wood. larval d. marginatus peaked in mid summer, whereas nymphs peaked in late summer. host-seeking haemaphysalis punctata were mostly ... | 1997 | 9419846 |
| [imported arthropod-borne parasites and parasitic arthropods in dogs. species spectrum and epidemiologic analysis of the cases diagnosed in 1995/96]. | between january 1995 and december 1996 nonendemic or only regionally occurring arthropodborne parasites including ehrlichiae and parasitic arthropods in germany were detected in 484 dogs, whereby at least 15 species were involved. listed in decreasing order, leishmania infections occurred most frequently, followed by infections/infestations with babesia canis, ehrlichia canis, rhipicephalus sanguineus, dirofilaria immitis and dermacentor reticulatus. the other species, namely babesia gibsoni, tr ... | 1998 | 9531673 |
| [summer passivity of field-matured dermacentor marginatus sulz. and the duration of their fasting in the south-eastern part of the chernozem center]. | | 1958 | 13589480 |
| [ultrastructural features of histopathologic changes at the site of attachment of the larva of the ixodid tick haemaphysalis longicornis to the body of the host]. | this article continues the series of electronic microscopical investigations of tick attachment and host's inflammatory reaction in the attachment site. in all this works we used larvae of different ixodid ticks but the same species of the host (white mouse), ixodid species having different type of attachment. dermacentor marginatus (amosova, 1989a) is characterized by the superficial penetration of mouth parts, the abundance of cement around them and on the surface of the host's skin, the mouth ... | 1997 | 9541934 |
| [demonstration of an agent of the rickettsial group from dermacentor marginatus isolated from cattle in central france: experiments on modification of the type]. | | 1961 | 13705742 |
| experimental study of dermacentor marginatus sulz. and rhipicephalus rossicus jak. et k. jak. ticks as vectors of tularemia. | | 1960 | 13734970 |
| [the length of the day as a factor determining delay of egg-laying in females of dermacentor marginatus sulz]. | | 1963 | 14053429 |
| [effect of excess humidity of the time of development of larvae of the tick. dermacentor pictus herm, and dermacentor marginatus sulz]. | | 1964 | 14198838 |
| [experimental infection of dermacentor marginatus (sulz) nymphs with leptospira pomona]. | | 1965 | 14345016 |
| [stages of development and sensitivity to photoperiodic influences in dermacentor marginatus (sulz)]. | | 1965 | 14345029 |
| [on the nature of ovogenesis inhibition in imaginal diapause in dermacentor marginatus]. | | 1965 | 14345031 |
| experimental hibernation of the virus of the eastern type of north american equine encephalomyelitis (eee) in czechoslovak species of ticks. (ixodes ricinus l. and dermacentor marginatus sulz). | | 1960 | 14437006 |
| [on delayed oviposition by the tick dermacentor marginatus]. | | 1962 | 14461698 |
| taxonomic relationships among spotted fever group rickettsiae as revealed by antigenic analysis with monoclonal antibodies. | the spotted fever group (sfg) is made up of more than 20 different rickettsial species and strains. study of the taxonomic relationships among the group has been attempted by phenotypic, genotypic, and phylogenetic analyses. in this study, we determined taxonomic relationships among the sfg rickettsiae by comparative analysis of immunogenic epitopes reactive against a panel of monoclonal antibodies. a total of 98 monoclonal antibodies, which were directed against epitopes on the major immunodomi ... | 1998 | 9542904 |
| detection and identification of spotted fever group rickettsiae in ticks collected in southern croatia. | a total of 197 ticks belonging to four species (haemaphysalis punctata, hyalomma marginatum, rhipicephalus bursa and dermacentor marginatus) collected in october 2000 from domestic animals in southern croatia were examined for the presence of rickettsiae by molecular techniques. specific sequences of the rickettsiae were detected in 25 (12.7%) of ticks tested. the prevalence of infection in d. marginatus and h. marginatum ticks was 36.8 and 64.7%, respectively. none of the ticks belonging to the ... | 2002 | 14570128 |
| [ecology of larvae and nymphs of the tick dermacentor marginatus sulz. in the voronezh region]. | | 1951 | 14837467 |
| transmission of tick-borne bunyaviruses by cofeeding ixodid ticks. | palma and bhanja bunyaviruses replicated in dermacentor marginatus, d. reticulatus, rhipicephalus sanguineus, r. appendiculatus and ixodes ricinus ticks after parenteral inoculation and appropriate incubation and feeding. palma virus was transmitted to d. marginatus and d. reticulatus males, d. reticulatus and r. sanguineus females, and r. appendiculatus nymphs while cofeeding with infected ticks on laboratory mice. bhanja virus was transmitted to d. marginatus males and r. appendiculatus nymphs ... | 1997 | 9607090 |
| in vitro susceptibilities of 27 rickettsiae to 13 antimicrobials. | the mics of 13 antibiotics (doxycycline, thiamphenicol, rifampin, amoxicillin, gentamicin, co-trimoxazole, ciprofloxacin, pefloxacin, ofloxacin, erythromycin, josamycin, clarithromycin, and pristinamycin) were determined for 27 available rickettsial species or strains. we used two in vitro cell culture methods described previously: the plaque assay and the microplaque colorimetric assay. our results confirm the susceptibilities of rickettsiae to doxycycline, thiamphenicol, and fluoroquinolones. ... | 1998 | 9660979 |
| detection of a rickettsia closely related to rickettsia aeschlimannii, "rickettsia heilongjiangensis," rickettsia sp. strain rpa4, and ehrlichia muris in ticks collected in russia and kazakhstan. | using pcr, we screened 411 ticks from four genera collected in russia and kazakhstan for the presence of rickettsiae and ehrlichiae. in russia, we detected "rickettsia heilongjiangensis," rickettsia sp. strain rpa4, and ehrlichia muris. in kazakhstan, we detected rickettsia sp. strain rpa4 and a rickettsia closely related to rickettsia aeschlimannii. these agents should be considered in a differential diagnosis of tick-borne infections in these areas. | 2004 | 15131195 |
| detection and typing of borrelia burgdorferi sensu lato in ixodes ricinus ticks attached to human skin by pcr. | live ixodes ricinus ticks attached to humans residing in germany were examined for borreliae by dark-field microscopy and pcr. borrelia species were identified by 16s rrna sequence analysis, which showed the presence of several species, some not yet defined, and a high prevalence of multiply infected ticks. | 1998 | 9774593 |
| rickettsia slovaca sp. nov., a member of the spotted fever group rickettsiae. | the name rickettsia slovaca sp. nov. (type strain is strain b) is proposed for a member of the spotted fever group (sfg) rickettsiae which was isolated from dermacentor marginatus ticks in slovakia in 1968, and was recently implicated in human febrile illness. this rickettsia can be phenotypically distinguished from other sfg rickettsiae by microimmunofluorescence serotyping, sds-page, western blotting and mabs. genotypic differences between r. slovaca and the other sfg representatives can be de ... | 1998 | 9828449 |