Data-driven predictions and novel hypotheses about zoonotic tick vectors from the genus Ixodes

With the resurgence of tick-borne diseases such as Lyme disease and the emergence of new tick-borne pathogens such as Powassan virus, understanding what distinguishes vectors from non-vectors, and predicting u...
Source: BMC Ecology - Category: Biology Authors: Tags: Research Article Source Type: research

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Publication date: Available online 3 December 2018Source: Ticks and Tick-borne DiseasesAuthor(s): Sukanya Narasimhan, Carmen J. Booth, Kathleen DePonte, Ming-Ji Wu, Xianping Liang, Subhasis Mohanty, Fred Kantor, Erol FikrigAbstractIxodes scapularis vectors several pathogens including Borrelia burgdorferi, the agent of Lyme disease. Nymphal and larval stages, and the pathogens transmitted by I. scapularis are maintained in a zoonotic cycle involving rodent reservoir hosts, predominantly Peromyscus leucopus. Humans are not reservoir hosts, however, accidental encounters of infected ticks with humans, results in pathogen tran...
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
The objectives of this study were to investigate the geographic distribution and magnitude of tick infestations in opportunistically sampled mammalian wildlife and companion animals (i.e., dogs) in southern Ontario and to test these ticks for evidence of zoonotic tick-borne pathogens. Ticks collected from wildlife carcasses, live-trapped wildlife and companion animals (2015-2016), as well as wildlife diagnostic cases (2011-2013), were identified to species and life stage. Ixodes scapularis ticks were tested by real-time PCR for Anaplasma phagocytophilum, Babesia microti, Borrelia miyamotoi and Borrelia burgdorferi sensu st...
Source: Ticks and Tick borne Diseases - Category: Zoology Source Type: research
In this study, bird species migrating through Bulgaria were investigated as carriers of zoonotic pathogens. In total, 706 birds belonging to 46 species were checked for the presence of various bacterial pathogens (Campylobacter, Yersin ia, Salmonella, Listeria, Escherichia coli, Staphylococcus aureus, Francisella tularensis, Coxiella burnetii, Borrelia burgdorferi, and Brucella spp.). From 673 birds we investigated fecal samples, from the remaining 33, blood samples. We detected Campylobacter 16S rDNA gene in 1.3% of birds, but no ne were of pathogenic Campylobacter jejuni and Campylobacter coli species. Escherichia coli 1...
Source: Canadian Journal of Microbiology - Category: Microbiology Authors: Source Type: research
Background: The importance of tick-borne diseases is increasing all over the world, including Georgia. In Georgia, almost only a few TBDs have been reported in animals and men, involving Lyme Borreliosis [LB], tick-borne relapsing fever [TBRF], tick-borne encephalitis [TBE], Crimean-Congo Haemorrhagic Fever [CCHF].
Source: International Journal of Infectious Diseases - Category: Infectious Diseases Authors: Tags: UMP. 835 Source Type: research
Abstract In the United States, tick-borne illnesses account for a significant number of patients that have been seen and treated by health care facilities. This in turn, has resulted in a significant morbidity and mortality and economic costs to the country. The distribution of these illnesses is geographically variable and is related to the climate as well. Many of these illnesses can be diagnosed and treated successfully, if recognized and started on appropriate antimicrobial therapy early in the disease process. Patient with illnesses such as Lyme disease, Wet Nile illness can result in chronic debilitating dis...
Source: Infectious Disorders Drug Targets - Category: Infectious Diseases Authors: Tags: Infect Disord Drug Targets Source Type: research
ka Minichová Markéta Derdáková In Europe, Ixodes ricinus is the most important vector of tick-borne zoonotic bacteria. It transmits spirochaetes from the Borrelia burgdorferi sensu lato complex, Anaplasma phagocytophilum and Rickettsia spp. Although spatial differences in the prevalence of tick-borne pathogens have been intensively studied, seasonal (within-year) fluctuations in the prevalence of these pathogens within sites are often overlooked. We analyzed the occurrence and seasonal dynamics of Ixodes ricinus in an urban forest in Bratislava, Slovakia. Furthemore, we examined temporal t...
Source: International Journal of Environmental Research and Public Health - Category: Environmental Health Authors: Tags: Article Source Type: research
In the United States, diseases spread by mosquito, flea and tick bites tripled from 2004 to 2016, federal health officials say in a new report. During that time, there were more than 640,000 cases of vector-borne diseases. “People really do need to take this seriously,” says Dr. Lyle Petersen, the director of the Division of Vector-Borne Diseases in the National Center for Emerging and Zoonotic Infectious Diseases at the Centers for Disease Control and Prevention (CDC). The new study—published in the CDC’s Morbidity and Mortality Weekly Report—marks the first time the agency has collectively e...
Source: TIME: Health - Category: Consumer Health News Authors: Tags: Uncategorized healthytime public health Source Type: news
Lyme disease is the most frequently reported zoonotic tick-borne disease worldwide, and the number of infected humans is increasing. Lyme disease (or Lyme borreliosis) is an affection caused by the spirochete Borrelia burgdorferi, sensu lato. Lyme disease is also reported as a variety of misleading clinical symptomatologies. Infected patient ’s blood serology is the most currently test used for its diagnosis. However, serology has a low sensitivity, which ranges from 34 % to 70%.Thus, there are numerous subsequent false-negative diagnoses despite an active clinical infection profile.
Source: Medical Hypotheses - Category: Biomedical Science Authors: Source Type: research
Lyme disease is the most frequently reported zoonotic tick-borne disease worldwide, and the number of infected humans is increasing. Lyme disease (or Lyme borreliosis) is an affection caused by the spirochete Borrelia burgdorferi, sensu lato. Lyme disease is also reported as a variety of misleading clinical symptomatologies. Infected patient ’s blood serology is the most currently test used for its diagnosis. However, serology has a low sensitivity, which ranges from 34% to 70%.Thus, there are numerous subsequent false-negative diagnoses despite an active clinical infection profile.
Source: Medical Hypotheses - Category: Biomedical Science Authors: Source Type: research
A constant increase in the incidence of tick-borne diseases has been observed in Europe since the last decade of the twentieth century. In Poland, the most common zoonoses transmitted by Ixodes ricinus ticks are tick-borne encephalitis (TBE) and Lyme disease. These diseases have become a serious clinical problem, especially in Podlaskie Region, which is considered an endemic area for these diseases (Czupryna et al., 2011).
Source: International Journal of Infectious Diseases - Category: Infectious Diseases Authors: Source Type: research
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