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https://www.readbyqxmd.com/read/28229043/detection-and-molecular-characterization-of-the-mosquito-borne-filarial-nematode-setaria-tundra-in-danish-roe-deer-capreolus-capreolus
#1
Heidi Larsen Enemark, Antti Oksanen, Mariann Chriél, Jakob le Fèvre Harslund, Ian David Woolsey, Mohammad Nafi Solaiman Al-Sabi
Setaria tundra is a mosquito-borne filarial nematode of cervids in Europe. It has recently been associated with an emerging epidemic disease causing severe morbidity and mortality in reindeer and moose in Finland. Here, we present the first report of S. tundra in six roe deer (Capreolus capreolus) collected between October 2010 and March 2014 in Denmark. The deer originated from various localities across the country: the eastern part of the Jutland peninsular and four locations on the island Zealand. With the exception of one deer, with parasites residing in a transparent cyst just under the liver capsule, worms (ranging from 2 to >20/deer) were found free in the peritoneal cavity...
April 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28212848/major-vectors-and-vector-borne-diseases-in-small-ruminants-in-ethiopia-a-systematic-review
#2
REVIEW
Kassahun Asmare, Takele Abayneh, Berhanu Sibhat, Dessie Shiferaw, Barbara Szonyi, Randi I Krontveit, Eystein Skjerve, Barbara Wieland
Vector-borne diseases are among major health constraints of small ruminant in Ethiopia. While various studies on single vector-borne diseases or presence of vectors have been conducted, no summarized evidence is available on the occurrence of these diseases and the related vectors. This systematic literature review provides a comprehensive summary on major vectors and vector-borne diseases in small ruminants in Ethiopia. Search for published and unpublished literature was conducted between 8th of January and 25th of June 2015...
February 14, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28205516/a-viral-protease-relocalizes-in-the-presence-of-the-vector-to-promote-vector-performance
#3
Aurélie Bak, Andrea L Cheung, Chunling Yang, Steven A Whitham, Clare L Casteel
Vector-borne pathogens influence host characteristics relevant to host-vector contact, increasing pathogen transmission and survival. Previously, we demonstrated that infection with Turnip mosaic virus, a member of one of the largest families of plant-infecting viruses, increases vector attraction and reproduction on infected hosts. These changes were due to a single viral protein, NIa-Pro. Here we show that NIa-Pro responds to the presence of the aphid vector during infection by relocalizing to the vacuole...
February 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28194661/guillain-barre-syndrome-complicating-chikungunya-virus-infection
#4
Ayush Agarwal, Deepti Vibha, Achal Kumar Srivastava, Garima Shukla, Kameshwar Prasad
Chikungunya virus (CHIKV) is a mosquito-borne alphavirus which presents with symptoms of fever, rash, arthralgia, and occasional neurologic disease. While outbreaks have been earlier reported from India and other parts of the world, the recent outbreak in India witnessed more than 1000 cases. Various systemic and rarely neurological complications have been reported with CHIKV. We report two cases of Guillain-Barré syndrome (GBS) with CHIKV. GBS is a rare neurological complication which may occur after subsidence of fever and constitutional symptoms by several neurotropic viruses...
February 13, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28193177/anopheline-salivary-protein-genes-and-gene-families-an-evolutionary-overview-after-the-whole-genome-sequence-of-sixteen-anopheles-species
#5
Bruno Arcà, Fabrizio Lombardo, Claudio J Struchiner, José M C Ribeiro
BACKGROUND: Mosquito saliva is a complex cocktail whose pharmacological properties play an essential role in blood feeding by counteracting host physiological response to tissue injury. Moreover, vector borne pathogens are transmitted to vertebrates and exposed to their immune system in the context of mosquito saliva which, in virtue of its immunomodulatory properties, can modify the local environment at the feeding site and eventually affect pathogen transmission. In addition, the host antibody response to salivary proteins may be used to assess human exposure to mosquito vectors...
February 13, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28189117/blocking-transmission-of-vector-borne-diseases
#6
REVIEW
Sandra Schorderet-Weber, Sandra Noack, Paul M Selzer, Ronald Kaminsky
Vector-borne diseases are responsible for significant health problems in humans, as well as in companion and farm animals. Killing the vectors with ectoparasitic drugs before they have the opportunity to pass on their pathogens could be the ideal way to prevent vector borne diseases. Blocking of transmission might work when transmission is delayed during blood meal, as often happens in ticks. The recently described systemic isoxazolines have been shown to successfully prevent disease transmission under conditions of delayed pathogen transfer...
January 30, 2017: International Journal for Parasitology, Drugs and Drug Resistance
https://www.readbyqxmd.com/read/28179512/drought-and-immunity-determine-the-intensity-of-west-nile-virus-epidemics-and-climate-change-impacts
#7
Sara H Paull, Daniel E Horton, Moetasim Ashfaq, Deeksha Rastogi, Laura D Kramer, Noah S Diffenbaugh, A Marm Kilpatrick
The effect of global climate change on infectious disease remains hotly debated because multiple extrinsic and intrinsic drivers interact to influence transmission dynamics in nonlinear ways. The dominant drivers of widespread pathogens, like West Nile virus, can be challenging to identify due to regional variability in vector and host ecology, with past studies producing disparate findings. Here, we used analyses at national and state scales to examine a suite of climatic and intrinsic drivers of continental-scale West Nile virus epidemics, including an empirically derived mechanistic relationship between temperature and transmission potential that accounts for spatial variability in vectors...
February 8, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28179027/genome-scaffolding-and-annotation-for-the-pathogen-vector-ixodes-ricinus-by-ultra-long-single-molecule-sequencing
#8
Wibke J Cramaro, Oliver E Hunewald, Lesley Bell-Sakyi, Claude P Muller
BACKGROUND: Global warming and other ecological changes have facilitated the expansion of Ixodes ricinus tick populations. Ixodes ricinus is the most important carrier of vector-borne pathogens in Europe, transmitting viruses, protozoa and bacteria, in particular Borrelia burgdorferi (sensu lato), the causative agent of Lyme borreliosis, the most prevalent vector-borne disease in humans in the Northern hemisphere. To faster control this disease vector, a better understanding of the I...
February 8, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28169066/standardization-and-validation-of-simple-pcr-duplex-pcr-and-rapd-in-comparison-to-blood-smear-examination-for-diagnosing-bovine-tropical-theileriosis
#9
Vikrant Sudan, Daya Shanker, Amit Jaiswal, Amit Singh, Vijay Pandey
Bovine Tropical Theileriosis (BTT) is an important vector-borne protozoan disease that imposing serious constraints on the health and productivity of domestic cattle. It is matter of common fact that following recovery from primary infection, cattle become persistent carriers and act as reservoirs of infection thereby, playing a critical role in disease epidemiology. The present study describes the comparative diagnostic efficiency of simplex PCR, duplex PCR and RAPD assays for detection of Theileria annulata in cattle...
February 3, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/28167589/trypanosoma-cruzi-agent-of-chagas-disease-in-sympatric-human-and-dog-populations-in-colonias-of-the-lower-rio-grande-valley-of-texas
#10
Rachel Curtis-Robles, Italo B Zecca, Valery Roman-Cruz, Ester S Carbajal, Lisa D Auckland, Isidore Flores, Ann V Millard, Sarah A Hamer
The zoonotic, vector-borne parasite Trypanosoma cruzi causes Chagas disease throughout the Americas, but human and veterinary health burdens in the United States are unknown. We conducted a cross-sectional prevalence study in indigent, medically underserved human and cohabiting canine populations of seven south Texas border communities, known as colonias. Defining positivity as those samples that were positive on two or more independent tests, we found 1.3% seroprevalence in 233 humans, including one child born in the United States with only short-duration travel to Mexico...
February 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28166814/closely-related-borrelia-burgdorferi-sensu-stricto-strains-exhibit-similar-fitness-in-single-infections-and-asymmetric-competition-in-multiple-infections
#11
Evelyn C Rynkiewicz, Julia Brown, Danielle M Tufts, Ching-I Huang, Helge Kampen, Stephen J Bent, Durland Fish, Maria A Diuk-Wasser
BACKGROUND: Wild hosts are commonly co-infected with complex, genetically diverse, pathogen communities. Competition is expected between genetically or ecologically similar pathogen strains which may influence patterns of coexistence. However, there is little data on how specific strains of these diverse pathogen species interact within the host and how this impacts pathogen persistence in nature. Ticks are the most common disease vector in temperate regions with Borrelia burgdorferi, the causative agent of Lyme disease, being the most common vector-borne pathogen in North America...
February 6, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28164815/climate-change-and-underserved-communities
#12
REVIEW
Carol Ziegler, Vincent Morelli, Omotayo Fawibe
Climate change is the greatest global health threat of the twenty-first century, yet it is not widely understood as a health hazard by primary care providers in the United States. Aside from increasing displacement of populations and acute trauma resulting from increasing frequency of natural disasters, the impact of climate change on temperature stress, vector-borne illnesses, cardiovascular and respiratory illnesses, and mental health is significant, with disproportionate impact on underserved and marginalized populations...
March 2017: Primary Care
https://www.readbyqxmd.com/read/28160310/acute-phase-proteins-response-in-cats-naturally-infected-with-hepatozoon-felis-and-babesia-vogeli
#13
Hugo Vilhena, Asta Tvarijonaviciute, José J Cerón, Lisete Vieira, Josep Pastor, Ana C Silvestre-Ferreira
BACKGROUND: The measurement of acute phase proteins (APP) is being increasingly used in human and veterinary medicine in diagnosis, prognosis, treatment monitoring, and in general health screening. However, information about the APP response in cats infected with agents of vector-borne diseases is lacking. OBJECTIVES: The purpose of the study was to investigate the concentrations of serum amyloid A (SAA), haptoglobin (Hp), and paraoxonase-1 (PON1) in cats naturally infected with Hepatozoon felis and Babesia vogeli...
February 3, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28160307/treatment-of-presumptive-primary-immune-mediated-thrombocytopenia-with-mycophenolate-mofetil-versus-cyclosporine-in-dogs
#14
F O Cummings, S A Rizzo
OBJECTIVES: The objective of this study was to compare hospitalisation duration, survival times, adverse events and cost of therapy in dogs with presumptive primary immune-mediated thrombocytopenia undergoing therapy with mycophenolate mofetil and corticosteroids versus cyclosporine and corticosteroids. METHODS: A retrospective study of medical case records of dogs with presumed primary immune-mediated thrombocytopenia was conducted. Data collected included signalment, presenting complaints, haematologic and biochemical profiles, vector-borne disease testing, thoracic and abdominal radiographs, abdominal ultrasound, medications administered, duration of hospitalisation, 30- and 60-day survival, adverse events and cost of therapy...
February 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28159753/requirements-for-driving-anti-pathogen-effector-genes-into-populations-of-disease-vectors-by-homing
#15
Andrea Beaghton, Andrew Hammond, Tony Nolan, Andrea Crisanti, H Charles J Godfray, Austin Burt
There is a need for new interventions against the on-going burden of vector-borne diseases such as malaria and dengue. One suggestion has been to develop genes encoding effector molecules that block parasite development within the vector, and then use the nuclease-based homing reaction as a form of gene drive to spread those genes through target populations. If the effector gene reduces the fitness of the mosquito and does not contribute to the drive, then loss-of-function mutations in the effector will eventually replace functional copies, but protection may nonetheless persist sufficiently long to provide a public health benefit...
February 3, 2017: Genetics
https://www.readbyqxmd.com/read/28159002/avian-species-diversity-and-transmission-of-west-nile-virus-in-atlanta-georgia
#16
Rebecca S Levine, David L Hedeen, Meghan W Hedeen, Gabriel L Hamer, Daniel G Mead, Uriel D Kitron
BACKGROUND: The dilution effect is the reduction in vector-borne pathogen transmission associated with the presence of diverse potential host species, some of which are incompetent. It is popularized as the notion that increased biodiversity leads to decreased rates of disease. West Nile virus (WNV) is an endemic mosquito-borne virus in the United States that is maintained in a zoonotic cycle involving various avian host species. In Atlanta, Georgia, substantial WNV presence in the vector and host species has not translated into a high number of human cases...
February 3, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28143697/first-detection-of-tick-borne-pathogens-of-dogs-from-malta
#17
Elaine Licari, Nóra Takács, Norbert Solymosi, Róbert Farkas
The knowledge about the vector-borne infections in domestic dogs has been increasing worldwide. However no studies have been done on hard tick infestation and tick-borne pathogens (TBPs) of dogs present in Malta. Therefore, a total of 99 dogs was selected and inspected between March and July 2013 in 18 urban and 17 rural areas on the islands of Malta and Gozo. All ticks were removed from the dogs and identified. Blood samples were taken and tested for protozoa (Babesia spp. and Hepatozoon spp.) and bacteria (Anaplasma spp...
January 18, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28141857/intestinal-parasites-and-vector-borne-pathogens-in-stray-and-free-roaming-cats-living-in-continental-and-insular-greece
#18
Anastasia Diakou, Angela Di Cesare, Paolo Matteo Accettura, Luciano Barros, Raffaella Iorio, Barbara Paoletti, Antonio Frangipane di Regalbono, Lénaïg Halos, Frederic Beugnet, Donato Traversa
This survey investigated the distribution of various intestinal parasites and vector-borne pathogens in stray and free-roaming cats living in four regions of Greece. A total number of one hundred and fifty cats living in three Islands (Crete, Mykonos and Skopelos) and in Athens municipality was established as a realistic aim to be accomplished in the study areas. All cats were examined with different microscopic, serological and molecular assays aiming at evaluating the occurrence of intestinal parasites, and exposure to or presence of vector-borne infections...
January 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28137863/correction-for-caminade-et-al-global-risk-model-for-vector-borne-transmission-of-zika-virus-reveals-the-role-of-el-ni%C3%A3-o-2015
#19
(no author information available yet)
No abstract text is available yet for this article.
January 30, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28135281/dispersal-of-male-and-female-culex-quinquefasciatus-and-aedes-albopictus-mosquitoes-using-stable-isotope-enrichment
#20
Matthew C I Medeiros, Emily C Boothe, E Brendan Roark, Gabriel L Hamer
The dispersal patterns of mosquito vectors are important drivers of vector-borne infectious disease dynamics and understanding movement patterns is pivotal to devise successful intervention strategies. Here, we investigate the dispersal patterns of two globally important mosquito vectors, Aedes albopictus and Culex quinquefasciatus, by marking naturally-occurring larvae with stable isotopes (13C or 15N). Marked individuals were captured with 32 CDC light trap, 32 gravid trap, and 16 BG Sentinel at different locations within two-kilometer radii of six larval habitats enriched with either 13C or 15N...
January 2017: PLoS Neglected Tropical Diseases
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