Abstract：
:There are 4 major human-biting tick species in the northeastern United States, which include: Amblyomma americanum, Amblyomma maculatum, Dermacentor variabilis, and Ixodes scapularis. The black bear is a large mammal that has been shown to be parasitized by all the aforementioned ticks. We investigated the bacterial infections in ticks collected from Louisiana black bears (Ursus americanus subspecies luteolus). Eighty-six ticks were collected from 17 black bears in Louisiana from June 2010 to March 2011. All 4 common human-biting tick species were represented. Each tick was subjected to polymerase chain reaction (PCR) targeting select bacterial pathogens and symbionts. Bacterial DNA was detected in 62% of ticks (n=53). Rickettsia parkeri, the causative agent of an emerging spotted fever group rickettsiosis, was identified in 66% of A. maculatum, 28% of D. variabilis, and 11% of I. scapularis. The Lyme disease bacterium, Borrelia burgdorferi, was detected in 2 I. scapularis, while one A. americanum was positive for Borrelia bissettii, a putative human pathogen. The rickettsial endosymbionts Candidatus Rickettsia andeanae, rickettsial endosymbiont of I. scapularis, and Rickettsia amblyommii were detected in their common tick hosts at 21%, 39%, and 60%, respectively. All ticks were PCR-negative for Anaplasma phagocytophilum, Ehrlichia spp., and Babesia microti. This is the first reported detection of R. parkeri in vector ticks in Louisiana; we also report the novel association of R. parkeri with I. scapularis. Detection of both R. parkeri and B. burgdorferi in their respective vectors in Louisiana demands further investigation to determine potential for human exposure to these pathogens.
journal_name
Ticks Tick Borne Disjournal_title
Ticks and tick-borne diseasesauthors
Leydet BF Jr,Liang FTdoi
10.1016/j.ttbdis.2012.12.002subject
Has Abstractpub_date
2013-04-01 00:00:00pages
191-6issue
3eissn
1877-959Xissn
1877-9603pii
S1877-959X(13)00014-9journal_volume
4pub_type
杂志文章abstract：:Lyme borreliosis (LB) is the most frequent vector-borne disease in Germany. For more than 10 years, data from mandatory notifications have been available from 6 federal states in the eastern part of Germany. A common case definition was applied. Clinical manifestations of erythema migrans, neuroborreliosis (radiculone...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2013.10.010
更新日期：2014-04-01 00:00:00
abstract：:Tick bites often go unnoticed, so specific reliable tests are needed to confirm them for prompt diagnosis and treatment of tick-borne diseases. One of the promising candidates for developing such a test is AV422, a tick saliva protein that has been conserved across tick genera. In this study, we demonstrate the potent...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2017.01.001
更新日期：2017-03-01 00:00:00
abstract：:Rickettsial pathogens cause diseases that vary in severity and clinical presentation. Rickettsia species transmitted by ticks are mostly classified within the spotted fever group of rickettsiae (SFGR) and are often associated with febrile diseases. Preliminary studies have detected three human-pathogenic SFGR from tic...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2020.101470
更新日期：2020-09-01 00:00:00
abstract：:Anaplasma marginale infections are responsible for widespread morbidity and mortality particularly in crossbred and exotic breeds of cattle in the tropics and subtropics. In the present study, a semi-nested PCR assay was utilized for the detection of A. marginale infection in carrier cattle from different areas of Pun...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2011.10.002
更新日期：2012-02-01 00:00:00
abstract：:Crimean-Congo hemorrhagic fever (CCHF) is an acute tick-borne viral zoonotic disease which is endemic in Turkey. Bradycardia has been reported among pediatric and adult patients with CCHF. But, it remains unclear, whether bradycardia is associated with ribavirin treatment or the severity of CCHF. In this study 26 hosp...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2014.12.003
更新日期：2015-03-01 00:00:00
abstract：:In North America, different strains of the Lyme disease-causing bacterium Borrelia burgdorferi sensu stricto cluster into phylogenetic groups that are associated with different levels of pathogenicity and, for some, specific rodent reservoir hosts. Here we explore whether landscape connectivity, by impacting host disp...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2018.07.001
更新日期：2018-09-01 00:00:00
abstract：:Workers at veterinary clinics are exposed to zoonotic pathogens, which, though infrequently, can lead to serious consequences. The aim of the present study was to estimate the seroprevalence for rickettsial pathogens in veterinary clinic personnel in Ciudad Juárez, Chihuahua, Mexico. Voluntary participants included 10...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2018.10.012
更新日期：2019-02-01 00:00:00
abstract：:The aim of this study was to describe the dynamics of the long-legged bat tick Ixodes vespertilionis infestation on the lesser horseshoe bat Rhinolophus hipposideros in 2 nursery colonies roosting in attics. Out of a total of 810 lesser horseshoe bats examined, 217 (26.8%) were found to be infested with a total of 464...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2013.08.006
更新日期：2014-02-01 00:00:00
abstract：:The current study compared the virulence of conidia and blastospores of Metarhizium robertsii (IP 146), M. anisopliae sensu lato (s.l.) (IP 363) and Beauveria bassiana s.l. (IP 361 and CG 307) against unfed larvae and engorged females of Rhipicephalus microplus (Acari: Ixodidae). In addition, the development of fungal...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2018.06.001
更新日期：2018-07-01 00:00:00
abstract：:Hepatozoon canis is a blood parasite of the suborder Adeleorina infecting wild and domestic canids. Transmission occurs by oral uptake of Rhipicephalus sanguineus sensu lato vector ticks infected with H. canis, but vertical transmission is also assumed to be possible. In German foxes, a high prevalence of H. canis has...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2020.101520
更新日期：2020-11-01 00:00:00
abstract：:Equine piroplasmosis is one of the most significant tick-borne disease of equids. The prevalence of this disease in donkeys of semi-arid Kenya remains largely unexplored. The primary objective of this study was to demonstrate the extent to which donkeys in Nuu division, Kenya have been exposed to the haemoprotozoans B...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2015.05.015
更新日期：2015-07-01 00:00:00
abstract：:Rhipicephalus microplus is a cattle-specific tick, causing considerable losses in the livestock industry. The identification of molecules responsible for modulation of host defenses during different parasite stages can help in the development of alternative methods, such as vaccination, to control tick infestations. H...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2016.12.008
更新日期：2017-02-01 00:00:00
abstract：:The number of tick-borne infections in the northern European regions of Russia has increased considerably in the last years. In the present study, 676 unfed adult Ixodes persulcatus ticks were collected in the Komi Republic from 2011 to 2013 to study tick-borne rickettsioses. Rickettsia spp. DNA was detected by PCR in...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2017.04.001
更新日期：2017-06-01 00:00:00
abstract：:Brazilian spotted fever (BSF) is the deadliest rickettsiosis in the world. Although the epidemiology of the disease has been established in Brazil, there are still limited data available on distribution of tick vectors and tick species parasitizing humans in the country, particularly in Paraná State. The State of Para...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2020.101510
更新日期：2020-11-01 00:00:00
abstract：:Anaplasma phagocytophilum, transmitted by ticks of the genus Ixodes, was first described in Scotland as the agent of tick-borne fever in sheep and more recently as the cause of human granulocytic anaplasmosis in the U.S. and Europe. We previously reported sheep as an experimental host for the human NY-18 isolate of A....
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2014.05.014
更新日期：2014-10-01 00:00:00
abstract：:The seasonal risk to humans of picking up Ixodes ricinus ticks in different habitats at 3 recreational sites in the UK was assessed. A comprehensive range of vegetation types was sampled at 3-weekly intervals for 2 years, using standard blanket-dragging complemented by woollen leggings and square 'heel flags'. Ticks w...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2011.03.002
更新日期：2011-06-01 00:00:00
abstract：:Equine piroplasmosis (EP) is an important tick-borne disease of equids, caused by Theileria equi and Babesia caballi. It is endemic in most parts of the world, including Israel, and has clinical and economic consequences. This study was set to evaluate the presence of EP parasites in domestic donkeys and in wild equid...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2019.101286
更新日期：2020-01-01 00:00:00
abstract：:All of the parasitic stages of Ixodes inopinatus n. sp. are described from specimens collected by flagging and on lizards and foxes. The new species replaces I. ricinus in dry areas of the Mediterranean region in Spain, Portugal, Morocco, Algeria and Tunisia. It has also been collected in areas of western Germany in s...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2014.05.003
更新日期：2014-10-01 00:00:00
abstract：:Tick-borne encephalitis (TBE) is the most important viral infection transmitted by ticks in Central Europe. In Germany, where TBE was classified as a notifiable disease in 2001, a highly variable number of clinically apparent human cases was reported in the last few years, ranging from the lowest number of 238 in 2007...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2009.11.002
更新日期：2010-03-01 00:00:00
abstract：:Vector-borne pathogens are transmitted between vertebrate hosts and arthropod vectors, two immensely different environments for the pathogen. There is further differentiation among vertebrate hosts that often have complex, species-specific immunological responses to the pathogen. All this presents a heterogeneous envi...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2015.03.011
更新日期：2015-04-01 00:00:00
abstract：:Rodents are hosts of numerous pathogenic agents of public health importance globally. Their ability to harbor these pathogens without showing overt clinical signs of disease has epidemiologic consequences. In some rural settings in Nigeria, humans and rodents do not only share feeds and abode, but the latter may end u...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2017.10.004
更新日期：2018-01-01 00:00:00
abstract：:In the present study, the presence of tick-associated bacteria and protozoa in Ornithodoros rostratus ticks (adults, nymphs, and eggs) from the Pantanal region of Brazil were determined by molecular detection. In these ticks, DNA from protozoa in the genera Babesia and Hepatozoon, and bacteria from the genera Ricketts...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2012.02.003
更新日期：2012-09-01 00:00:00
abstract：:Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) ticks cause economic losses for cattle industries throughout tropical and subtropical regions of the world estimated at $US2.5 billion annually. Lack of access to efficacious long-lasting vaccination regimes and increases in tick acaricide resistance have led to th...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2014.03.005
更新日期：2014-09-01 00:00:00
abstract：:Only a few reported cases indicate that Rickettsia helvetica and Rickettsia monacensis can cause disease in humans. Exposure to these two spotted fever group (SFG) rickettsiae occurs through bites of Ixodes ricinus, also the primary vector of Lyme borreliosis in Europe. To date, it is unclear how often exposure to the...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2015.12.010
更新日期：2016-03-01 00:00:00
abstract：:Ticks and tick-borne disease (TBD) are major challenges to cattle production in the tropics and subtropics. Economic losses associated with ticks amount to billions of dollars annually. Although efforts to eradicate ticks and TBD using chemical control strategies have been implemented in many developing countries for ...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章,评审
doi：10.1016/j.ttbdis.2014.04.006
更新日期：2014-09-01 00:00:00
abstract：BACKGROUND:Matrix Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF MS) is increasingly emerging tool for identification of arthropods including tick vectors using whole or body part of specimens. The challenges of the present study were to assess MALDI-TOF MS profiling for the both ident...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2015.04.013
更新日期：2015-07-01 00:00:00
abstract：:Tick-borne diseases (TBD) occur in many temperate countries and are economically important in most tropical and subtropical areas, affecting dairy and beef cattle, as well as small ruminants. Four major tick-borne diseases have been detected in eastern and southern Africa: East Coast fever (ECF) caused by Theileria pa...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2019.101283
更新日期：2020-01-01 00:00:00
abstract：:A total of 705 rodents from Myodes, Microtus, and Apodemus genera, 396 adult questing Ixodes persulcatus, and 115 Ixodes larvae and nymphs taken from rodents (and then molted under laboratory conditions to nymphs and adults) were collected in 2013-2018 in Omsk province, Russian Siberia, and examined for the presence o...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2020.101499
更新日期：2020-09-01 00:00:00
abstract：:Lumpy skin disease (LSD) is caused by lumpy skin disease virus (LSDV), a member of the genus Capripoxvirus. Transmission of the virus has been associated with haematophagous insects such as Stomoxys calcitrans as well as Aedes and Culex species of mosquitoes. Recent studies have reported the transmission of the virus ...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2013.09.010
更新日期：2014-03-01 00:00:00
abstract：:Borrelia spp. are agents of Lyme disease and relapsing fever, diseases which use Ixodes hard ticks and Ornithodoros soft ticks, respectively, as primary vectors. Some relapsing fever spirochetes, such as B. miyamotoi, are also found in hard ticks. To date, no Borrelia sp. is known to use the hard tick, Amblyomma macul...
journal_title：Ticks and tick-borne diseases
pub_type： 杂志文章
doi：10.1016/j.ttbdis.2014.02.004
更新日期：2014-06-01 00:00:00
