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https://www.readbyqxmd.com/read/28917304/prevalence-of-ticks-and-tick-borne-pathogens-babesia-and-borrelia-species-in-ticks-infesting-cats-of-great-britain
#1
Saran Davies, Swaid Abdullah, Chris Helps, Séverine Tasker, Hannah Newbury, Richard Wall
In a study of tick and tick-borne pathogen prevalence, between May and October 2016, 278 veterinary practices in Great Britain examined 1855 cats. Six-hundred and one cats were found to have attached ticks. The most frequently recorded tick species was Ixodes ricinus (57.1%), followed by Ixodes hexagonus (41.4%) and Ixodes trianguliceps (1.5%). Male cats, 4-6 years of age living in rural areas were most likely to be carrying a tick; hair length and tick treatment history had no significant association with attachment...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28913165/molecular-characterization-of-babesia-peircei-and-babesia-ugwidiensis-provides-insight-into-the-evolution-and-host-specificity-of-avian-piroplasmids
#2
Michael J Yabsley, Ralph E T Vanstreels, Barbara C Shock, Michaelle Purdee, Elizabeth C Horne, Michael A Peirce, Nola J Parsons
There are 16 recognized species of avian-infecting Babesia spp. (Piroplasmida: Babesiidae). While the classification of piroplasmids has been historically based on morphological differences, geographic isolation and presumed host and/or vector specificities, recent studies employing gene sequence analysis have provided insight into their phylogenetic relationships and host distribution and specificity. In this study, we analyzed the sequences of the 18S rRNA gene and ITS-1 and ITS-2 regions of two Babesia species from South African seabirds: Babesia peircei from African penguins (Spheniscus demersus) and Babesia ugwidiensis from Bank and Cape cormorants (Phalacrocorax neglectus and P...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28913164/haemoprotozoa-making-biological-sense-of-molecular-phylogenies
#3
REVIEW
Peter O'Donoghue
A range of protistan parasites occur in the blood of vertebrates and are transmitted by haematophagous invertebrate vectors. Some 48 genera are recognized in bood primarily on the basis of parasite morphology and host specificity; including extracellular kinetoplastids (trypanosomatids) and intracellular apicomplexa (haemogregarines, haemococcidia, haemosporidia and piroplasms). Gene sequences are available for a growing number of species and molecular phylogenies often link parasite and host or vector evolution...
December 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28906256/variability-of-species-of-babesia-starcovici-1893-in-three-sympatric-ticks-ixodes-ricinus-dermacentor-reticulatus-and-haemaphysalis-concinna-at-the-edge-of-pannonia-in-the-czech-republic-and-slovakia
#4
Marketa Rybarova, Michaela Honsova, Ivo Papousek, Pavel Siroky
The distribution, variability and host specificity of species of Babesia Starcovici, 1893 were studied in questing ticks collected on the northwestern edge of the Pannonian Basin in the south-easternmost part of the Czech Republic and in western Slovakia. The area is characterised by relatively natural floodplain habitats and the sympatric occurrence of three tick species possessing wide host spectra, namely Ixodes ricinus (Linnaeus), Dermacentor reticulatus (Fabricius) and Haemaphysalis concinna Koch. Analysis was carried out on 1,408 I...
August 23, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28902958/nonregenerative-immune-mediated-anemia-associated-with-a-diffuse-large-b-cell-lymphoma-in-a-captive-jaguar-panthera-onca
#5
Monika A Keresztes, Manfred Henrich, Penelope Baloi, Sascha Gerst, Jens-Christian Rudnick, Judith Langenstein, Andreas Moritz, Natali Bauer
An 18-year-old male castrated jaguar (Panthera onca) was presented with anorexia and continuous bleeding from the oral cavity after a history of fighting with the partner animal. Clinical evaluation revealed ulcerating lesions on the gingiva and hard palate and a hematoma on the tongue. Computed tomography of the head and endoscopic examination of the esophagus and stomach were unremarkable. Hematology and clinical chemistry revealed severe nonregenerative anemia, mild thrombocytopenia, and moderate azotemia...
September 13, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28893636/advances-in-the-application-of-genetic-manipulation-methods-to-apicomplexan-parasites
#6
REVIEW
C E Suarez, R P Bishop, H F Alzan, W A Poole, B M Cooke
Apicomplexan parasites such as Babesia, Theileria, Eimeria, Cryptosporidium and Toxoplasma greatly impact animal health globally, and improved, cost-effective measures to control them are urgently required. These parasites have complex multi-stage life cycles including obligate intracellular stages. Major gaps in our understanding of the biology of these relatively poorly characterized parasites and the diseases they cause severely limit options for designing novel control methods. Here we review potentially important shared aspects of the biology of these parasites, such as cell invasion, host cell modification, and asexual and sexual reproduction, and explore the potential of the application of relatively well-established or newly emerging genetic manipulation methods (GMMs), such as classical transfection or gene editing, respectively, for closing important gaps in our knowledge of the function of specific genes and proteins, and the biology of these parasites...
September 8, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28890784/first-record-of-locally-acquired-human-babesiosis-in-canada-caused-by-babesia-duncani-a-case-report
#7
John D Scott
OBJECTIVES: The aim of this clinical assessment was to ascertain whether a 70-year-old Canadian patient, who had no history of out-of-country travel, had contracted a Babesia infection. METHODS: The adult human male developed constitutional symptoms, which included sweats, chills, and immobilizing fatigue, and was screened for human babesiosis. Subsequent testing included a complete Babesia panel that consisted of B. microti immunoflourescent antibody IgM and IgG, B...
2017: SAGE open medical case reports
https://www.readbyqxmd.com/read/28890111/tick-borne-pathogens-and-their-reservoir-hosts-in-northern-italy
#8
Ivana Baráková, Markéta Derdáková, Diana Selyemová, Michal Chvostáč, Eva Špitalská, Fausta Rosso, Margherita Collini, Roberto Rosà, Valentina Tagliapietra, Matteo Girardi, Claudio Ramponi, Heidi C Hauffe, Annapaola Rizzoli
The aim of this study was to determine the occurrence of Anaplasma phagocytophilum, Rickettsia spp., Babesia spp., and Candidatus Neoehrlichia mikurensis in Ixodes spp. ticks removed from wildlife, domestic animals and humans in the Province of Trento (northern Italy) in order to better understand their ecology and provide public health professionals with an updated list of pathogens which should be considered during their diagnostic procedures after a tick bite. During 2011-2012, 848 feeding ticks at all life stages (adults, nymphs and larvae) from various hosts (wild ungulates, birds and rodents; domestic sheep, dogs and humans) were collected...
September 1, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28888641/a-molecular-survey-of-small-ruminant-hemotropic-mycoplasmosis-in-turkey-including-first-laboratory-confirmed-clinical-cases-caused-by-mycoplasma-ovis
#9
Munir Aktas, Sezayi Ozubek
Hemotropic mycoplasmas are emerging zoonotic pathogens that cause mild to severe hemolytic anemia. Blood samples and thin blood smears were collected from six sheep exhibiting clinical symptoms typical of hemolytic anemia. Coccoid and ring-shaped M. ovis were found on the surface of erythrocytes of infected sheep. Parasitemia ranged from 0.7% to 3.7% in individual smears. Clinical cases caused by Mycoplasma ovis were evaluated, and prevalence, based on DNA screening for the 16S rRNA gene of hemoplasmas in apparently healthy sheep (n=328) and goats (n=272) from the same area, was 11...
September 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28887102/molecular-detection-of-vector-borne-pathogens-in-greek-cats
#10
Mathios E Mylonakis, Megan Schreeg, Manolis K Chatzis, Julian Pearce, Henry S Marr, Manolis N Saridomichelakis, Adam J Birkenheuer
Infectious diseases have been increasingly recognized in cats worldwide. The objective of this study was the molecular investigation of the prevalence of selected pathogens in healthy and sick cats from Greece, a country highly endemic for several canine vector-borne pathogens. Blood and/or bone marrow samples from 50 clinically healthy and 50 sick adult (>1 year-old) cats were retrospectively examined for the amplification of Bartonella spp., haemoplasmas, Ehrlichia spp., Anaplasma spp., Babesia spp., and Cytauxzoon spp...
September 1, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28882512/epidemiology-of-babesia-anaplasma-and-trypanosoma-species-using-a-new-expanded-reverse-line-blot-hybridization-assay
#11
Martina Soledad Paoletta, Ludmila López Arias, Sofía de la Fournière, Eliana Carolina Guillemi, Carlos Luciani, Néstor Fabián Sarmiento, Juan Mosqueda, Marisa Diana Farber, Silvina Elizabeth Wilkowsky
Vector-borne hemoparasitic infections are a major problem that affects livestock industries worldwide, particularly in tropical and subtropical regions. In this work, a reverse line blot (RLB) hybridization assay was developed for the simultaneous detection and identification of Anaplasma, Babesia and bovine trypanosomes, encompassing in this way the most relevant hemoparasites that affect cattle. A total of 186 bovine blood samples collected from two different ecoepidemiological regions of northeast Argentina, with and without tick control, were analyzed with this new RLB...
September 1, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28877743/evaluation-of-the-efficacy-of-sarolaner-simparica%C3%A2-in-the-prevention-of-babesiosis-in-dogs
#12
Thomas Geurden, Robert Six, Csilla Becskei, Steven Maeder, Anne Lloyd, Sean Mahabir, Josephus Fourie, Julian Liebenberg
BACKGROUND: Canine babesiosis is a clinically significant emerging vector-borne disease caused among others by the protozoan Babesia canis. The efficacy of sarolaner (Simparica®; Zoetis; at the minimum recommended label dose of 2.0 mg per kg bodyweight) in the prevention of babesiosis was evaluated in twenty-four dogs randomly allocated to either a placebo-treated group or one of two sarolaner-treated groups. At 21 or 28 days after treatment administration, dogs were infested with 50 ± 4 Dermacentor reticulatus ticks of which 25% were confirmed to be infected with Babesia canis...
September 6, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28872685/inactivation-of-babesia-microti-in-red-blood-cells-and-platelet-concentrates
#13
Laura Tonnetti, Andrew Laughhunn, Aaron M Thorp, Irina Vasilyeva, Kent Dupuis, Adonis Stassinopoulos, Susan L Stramer
BACKGROUND: With an increasing number of recognized transfusion-transmitted (TT) babesiosis cases, Babesia microti is the most frequently TT parasite in the United States. We evaluated the inactivation of B. microti in red blood cells (RBCs) prepared in Optisol (AS-5) using amustaline and glutathione (GSH) and in platelet components (PCs) in 100% plasma using amotosalen and low-energy ultraviolet A (UVA) light. STUDY DESIGN AND METHODS: Individual RBCs and apheresis PCs were spiked with B...
September 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28871243/first-molecular-detection-of-babesia-gibsoni-in-dogs-from-wuhan-china
#14
Lan He, Xiaoyan Miao, Jinfang Hu, Yuan Huang, Pei He, Junwei He, Long Yu, Ngabu Malobi, Ligang Shi, Junlong Zhao
Canine piroplasmosis is a significant disease in dogs caused by Babesia and Theileria parasites. The clinical manifestations range from mild illness to serious disease depending on the parasite species and the physical condition of the infected dog. Canine piroplasmosis has been reported to be prevalent in China. However, no molecular evidence of the disease has been reported in pet dogs from Wuhan. In this study, 118 blood samples were randomly collected from pet dogs in veterinary clinics. The blood samples were subjected to both microscopic examination and reverse line blot (RLB) hybridization assays to detect piroplasm infection...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28869191/co-infection-with-babesia-divergens-and-anaplasma-phagocytophilum-in-cattle-bos-taurus-sweden
#15
Martin O Andersson, Bronislava Víchová, Conny Tolf, Sandra Krzyzanowska, Jonas Waldenström, Maria E Karlsson
Babesiosis is a severe disease in cattle worldwide. In Europe, the main causative agent of bovine babesiosis is Babesia divergens. In some areas, this species is reported to have declined or even disappeared, and its etiological role overtaken by other piroplasmid species. Moreover, co-infection with other tick-transmitted pathogens can be expected to complicate diagnosis in cattle. Hence, molecular identification of the causative agent of babesiosis should be a priority. Therefore, samples from 71 domestic cattle, 39 with clinical signs of babesiosis and 32 without, from southern Sweden were screened for Babesia spp...
August 24, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28856544/molecular-detection-of-pathogens-in-ticks-infesting-cattle-in-nampula-province-mozambique
#16
Ana Marcília Matsimbe, Vlademiro Magaia, Gustavo Seron Sanches, Luís Neves, Emília Noormahomed, Sandra Antunes, Ana Domingos
Ticks are ectoparasites that can act as vectors of a large number of pathogens in wild and domestic animals, pets, and occasionally humans. The global threat of emerging or re-emerging tick-borne diseases supports the need for research focused in the zoonotic transmission, especially in countries like Mozambique where rural populations are in close contact with domestic animals. The present study aims to: (1) identify tick species infesting cattle from Monapo and Nacala Porto, districts of Nampula province, Mozambique; and (2) investigate the presence of pathogens in the collected ticks...
August 30, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28851619/molecular-characterization-of-babesia-species-in-wild-animals-and-their-ticks-in-turkey
#17
Ömer Orkun, Zafer Karaer
To date, no study has investigated Babesia ecology in wild boars, hares or foxes in Turkey. This study aimed to determine and characterize Babesia spp. in wild animals and their ticks. We identified a novel Babesia genotype and four known Babesia species in wild animals and their ticks. We detected Babesia spp. molecularly in hares for the first time. In addition, we identified B. vulpes in foxes for the first time in Turkey. The presence of B. rossi, B. crassa and B. occultans was also revealed in ticks collected from wild boars and hares...
August 26, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28846148/prevalence-and-distribution-of-borrelia-and-babesia-species-in-ticks-feeding-on-dogs-in-the-u-k
#18
S Abdullah, C Helps, S Tasker, H Newbury, R Wall
Ticks were collected during March-July 2015 from dogs by veterinarians throughout the U.K. and used to estimate current prevalences and distributions of pathogens. DNA was extracted from 4750 ticks and subjected to polymerase chain reaction and sequence analysis to identify Borrelia burgdorferi sensu lato (Spirochaetales: Spirochaetaceae) and Babesia (Piroplasmida: Babesiidae) species. Of 4737 ticks [predominantly Ixodes ricinus Linneaus (Ixodida: Ixodidae)], B. burgdorferi s.l. was detected in 94 (2.0%). Four Borrelia genospecies were identified: Borrelia garinii (41...
August 28, 2017: Medical and Veterinary Entomology
https://www.readbyqxmd.com/read/28840782/comparison-of-three-blood-transfusion-guidelines-applied-to-31-feline-donors-to-minimise-the-risk-of-transfusion-transmissible-infections
#19
Maria Luisa Marenzoni, Stefania Lauzi, Arianna Miglio, Mauro Coletti, Andrea Arbia, Saverio Paltrinieri, Maria Teresa Antognoni
Objectives The increased demand for animal blood transfusions creates the need for an adequate number of donors. At the same time, a high level of blood safety must be guaranteed and different guidelines (GLs) deal with this topic. The aim of this study was to evaluate the appropriateness of different GLs in preventing transfusion-transmissible infections (TTI) in Italian feline blood donors. Methods Blood samples were collected from 31 cats enrolled as blood donors by the owners' voluntary choice over a period of approximately 1 year...
August 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28835291/occurrence-and-diversity-of-arthropod-transmitted-pathogens-in-red-foxes-vulpes-vulpes-in-western-austria-and-possible-vertical-transplacental-transmission-of-hepatozoon-canis
#20
Adnan Hodžić, Naike Mrowietz, Rita Cézanne, Pia Bruckschwaiger, Sylvia Punz, Verena Elisabeth Habler, Valentina Tomsik, Judit Lazar, Georg G Duscher, Walter Glawischnig, Hans-Peter Fuehrer
Red fox (Vulpes vulpes) is the most abundant wild canid species in Austria, and it is a well-known carrier of many pathogens of medical and veterinary concern. The main aim of the present study was to investigate the occurrence and diversity of protozoan, bacterial and filarial parasites transmitted by blood-feeding arthropods in a red fox population in western Austria. Blood (n = 351) and spleen (n = 506) samples from foxes were examined by PCR and sequencing and the following pathogens were identified: Babesia canis, Babesia cf...
August 24, 2017: Parasitology
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