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https://www.readbyqxmd.com/read/28648772/clinical-outbreak-of-babesiosis-caused-by-babesia-capreoli-in-captive-reindeer-rangifer-tarandus-tarandus-in-the-netherlands
#1
Jan H Bos, Fokko C Klip, Hein Sprong, Els M Broens, Marja J L Kik
From a herd of captive reindeer (Rangifer tarandus tarandus) consisting of two males and seven females with five calves, three calves were diagnosed on post mortem examination with a Babesia capreoli infection. The diagnosis was indicated by PCR and when the other reindeer were examined two adult females and a one-year-old male were Babesia-positive. Molecular characterization of the 18S rDNA of the parasite showed complete identity with known B. capreoli sequences. Ixodes ricinus has been demonstrated to be a competent vector for B...
June 20, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28644910/across-state-lines-fulminant-babesia-microti-infection-in-a-liver-transplant-recipient
#2
Eric G Meissner, John W McGillicuddy, Jerry Squires, Daniel Skipper, Sally Self, Dan Wray, Erin D Moritz, Susan L Stramer, Satish Nadig
The potential for transmission of Babesia microti by blood transfusion is well recognized. Physicians may be unaware that products used for transfusion may be collected from geographically diverse regions. We describe a liver transplant recipient in South Carolina who likely acquired B. microti infection from a unit of blood collected in Minnesota. This article is protected by copyright. All rights reserved.
June 23, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28638376/first-molecular-detection-of-piroplasm-infection-in-pet-dogs-from-gansu-china
#3
Qingli Niu, Jifei Yang, Zhijie Liu, Shandian Gao, Yuping Pan, Guiquan Guan, Yuefeng Chu, Guangyuan Liu, Jianxun Luo, Hong Yin
Babesiosis, the hemolytic disease caused by Babesia, which is a tick-transmitted obligate intraerythrocytic protozoan parasite. This disease is responsible for significant mortality and morbidity rates and enormous economic losses to the livestock industry in tropical and subtropical regions worldwide. In this study, blood samples were collected from 141 pet dogs from Gansu, China, and analyzed for Babesia or Theileria spp. infection using specific PCR and sequencing based on 18S rRNA gene fragments. The results indicated that 18S rRNA gene sequences from 11 samples were similar to the 18S rRNA gene sequences in Babesia canis vogeli (2) and Theileria sinensis (9)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28636757/babesiosis-an-unusual-cause-of-sepsis-after-kidney-transplantation-and-review-of-the-literature
#4
Imtiaz Ather, Negiin Pourafshar, Denise Schain, Asmita Gupte, Michael J Casey
We report a unique case of babesiosis presenting as sepsis after kidney transplantation. A 70-year-old female kidney transplant recipient presented with fever, hemolytic anemia, and acute kidney injury, and met three of four systemic inflammatory response syndrome (SIRS) criteria. Serology was positive for Babesia microti, confirmed by polymerase chain reaction. The patient was treated with atovaquone and azithromycin and made a full recovery. Reports of babesiosis after solid organ transplantation are rare, with only four prior cases reported in the literature...
June 21, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28633666/molecular-detection-of-vector-borne-pathogens-in-dogs-and-cats-from-qatar
#5
Ana Margarida Alho, Clara Lima, Maria Stefania Latrofa, Vito Colella, Silvia Ravagnan, Gioia Capelli, Luís Madeira de Carvalho, Luís Cardoso, Domenico Otranto
BACKGROUND: Vector-borne diseases (VBDs) have been increasingly reported in dogs and cats worldwide. However, no data are currently available regarding canine and feline VBDs in Qatar and limited information is available from other Persian Gulf countries. METHODS: Blood samples from 98 client-owned animals (i.e. 64 dogs and 34 cats) living in Doha (Qatar) were collected and the presence of genomic DNA of Anaplasma spp., Babesia spp., Dirofilaria spp., Ehrlichia spp...
June 20, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28632488/vector-borne-pathogens-in-stray-dogs-in-northeastern-turkey
#6
Esin Guven, Hamza Avcioglu, Seyda Cengiz, Armagan Hayirli
This experiment was carried out to attain prevalence and molecular characterization of pathogens causing canine vector-borne diseases (CVBDs) including babesiosis, hepatozoonosis, leishmaniasis, filariosis (Dirofilaria immitis, Dirofilaria repens, and Acanthocheilonema reconditum), ehrlichiosis (Ehrlichia canis), and anaplasmosis (Anaplasma platys) in stray dogs. The study material consisted of 133 asymptomatic female (n = 96) and male (n = 37) stray dogs (≤1 year old, n = 16 and 1-6 years old, n = 117) housed in the Animal Care and Rehabilitation Center, Erzurum, Northeastern Turkey...
June 20, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28625019/efficacy-of-azithromycin-and-compounded-atovaquone-for-treatment-of-babesia-gibsoni-in-dogs
#7
S K Kirk, J K Levy, P C Crawford
BACKGROUND: Approximately one-third of dogs confiscated during dogfighting investigations are infected with Babesia gibsoni. Traditional management of B. gibsoni with polymerase chain reaction (PCR)-screening, treatment with commercially available azithromycin and atovaquone, and PCR testing after 60 and 90 days is costly and impractical for large numbers of dogs at a time. HYPOTHESIS/OBJECTIVES: To assess the efficacy of an alternative protocol in which commercial atovaquone was replaced by compounded medication and PCR monitoring was initiated at 30 days after the end of treatment to decrease the total management time...
June 17, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28620610/molecular-detection-of-tick-borne-pathogen-diversities-in-ticks-from-livestock-and-reptiles-along-the-shores-and-adjacent-islands-of-lake-victoria-and-lake-baringo-kenya
#8
David Omondi, Daniel K Masiga, Burtram C Fielding, Edward Kariuki, Yvonne Ukamaka Ajamma, Micky M Mwamuye, Daniel O Ouso, Jandouwe Villinger
Although diverse tick-borne pathogens (TBPs) are endemic to East Africa, with recognized impact on human and livestock health, their diversity and specific interactions with tick and vertebrate host species remain poorly understood in the region. In particular, the role of reptiles in TBP epidemiology remains unknown, despite having been implicated with TBPs of livestock among exported tortoises and lizards. Understanding TBP ecologies, and the potential role of common reptiles, is critical for the development of targeted transmission control strategies for these neglected tropical disease agents...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28617666/parasitic-diseases-of-camels-in-iran-1931-2017-a-literature-review
#9
Alireza Sazmand, Anja Joachim
Parasitic diseases of camels are major causes of impaired milk and meat production, decreases in performance or even death. Some camel parasites also represent a threat to human health. About 171,500 one-humped camels (Camelus dromedarius) and 100-300 two-humped camels (Camelus bactrianus) live in Iran. Knowledge of the biodiversity of their parasites is still limited. The present review covers all information about camel parasitic diseases in Iran published as dissertations and in both Iranian and international journals from 1931 to February 2017...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28615859/molecular-identification-of-babesia-spp-in-naturally-infected-dogs-of-kerala-south-india
#10
Sneha Augustine, Lucy Sabu, Bindu Lakshmanan
Canine babesiosis is a tick borne haemoprotozoan disease caused by large and small intraerythrocytic apicomplexan piroplasms of the genus Babesia spp. The clinical manifestations of the disease vary from inapparent subclinical form to hyperacute shock related haemolytic crisis. Microscopic examination of blood smears from suspected dogs revealed Babesia canis and B. gibsoni in 3.45 and 25.86 % of samples respectively. A seminested PCR based on previously published species specific primers targeting the 18S rRNA gene was utilized to identify the Babesia species infecting dogs of Kerala at the sub species level...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28611446/genome-wide-analysis-of-gene-expression-and-protein-secretion-of-babesia-canis-during-virulent-infection-identifies-potential-pathogenicity-factors
#11
Ramon M Eichenberger, Chandra Ramakrishnan, Giancarlo Russo, Peter Deplazes, Adrian B Hehl
Infections of dogs with virulent strains of Babesia canis are characterized by rapid onset and high mortality, comparable to complicated human malaria. As in other apicomplexan parasites, most Babesia virulence factors responsible for survival and pathogenicity are secreted to the host cell surface and beyond where they remodel and biochemically modify the infected cell interacting with host proteins in a very specific manner. Here, we investigated factors secreted by B. canis during acute infections in dogs and report on in silico predictions and experimental analysis of the parasite's exportome...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28607116/elimination-of-babesia-microti-is-dependent-on-intraerythrocytic-killing-and-cd4-t-cells
#12
Sini Skariah, Paul Arnaboldi, Raymond J Dattwyler, Ali A Sultan, Corey Gaylets, Odaelys Walwyn, Hannah Mulhall, Xia Wu, Soha R Dargham, Dana G Mordue
Babesiosis is a tick-borne zoonosis caused by protozoans of the genus Babesia, apicomplexan parasites that replicate within erythrocytes. However, unlike related Plasmodium species, the pathogenesis of Babesia infection remains poorly understood. The primary etiological agent of babesiosis in the United States is B. microti. In healthy individuals, tick-transmitted infection with Babesia causes no specific clinical manifestations, with many having no symptoms at all. However, even in asymptomatic people, a Babesia carriage state can be established that can last up to a year or more...
June 12, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28605963/a-molecular-and-haematological-study-of-theileria-equi-in-balkan-donkeys
#13
Dajana Davitkov, Darko Davitkov, Milos Vucicevic, Ljubodrag Stanisic, Milena Radakovic, Uros Glavinic, Zoran Stanimirovic
Equine piroplasmosis in donkeys has been recognised as a serious problem of major economic importance. The present molecular study is the first investigation of the presence of Theileria equi and Babesia caballi in Balkan donkeys and of the possible haematological alterations related to it. A total of 70 apparently healthy donkeys from Serbia were included in this study. The overall prevalence of T. equi infection in donkeys tested with multiplex PCR was 50%. There was no B. caballi-positive sample. Infections in donkeys included in this study seem to be associated with decreased red blood cell count, haemoglobin concentration, haematocrit and platelet count, and with increased white blood cell count, mean corpuscular haemoglobin and mean corpuscular haemoglobin concentration...
June 2017: Acta Veterinaria Hungarica
https://www.readbyqxmd.com/read/28603688/novel-piroplasmid-and-hepatozoon-organisms-infecting-the-wildlife-of-two-regions-of-the-brazilian-amazon
#14
Herbert S Soares, Arlei Marcili, Amália R M Barbieri, Antonio H H Minervino, Thiago Rocha Moreira, Solange M Gennari, Marcelo B Labruna
During 2009-2012, wild animals were sampled in two areas within the Amazon biome of Brazil, in the states of Mato Grosso and Pará. Animal tissues and blood were molecularly tested for the presence of Piroplasmida (genera Babesia, Theileria, Cytauxzoon) or Hepatozoon DNA. Overall, 181 wild animals comprising 36 different species (2 reptiles, 5 birds, and 29 mammals) were sampled. The following Piroplasmida agents were detected: Cytauxzoon felis in one ocelot (Leopardus pardalis), Theileria cervi in two red brocket deer (Mazama americana), Theileria spp...
August 2017: International Journal for Parasitology. Parasites and Wildlife
https://www.readbyqxmd.com/read/28600768/detection-and-differentiation-of-lyme-spirochetes-and-other-tick-borne-pathogens-from-blood-using-real-time-pcr-with-molecular-beacons
#15
Samantha Schlachter, Kamfai Chan, Salvatore A E Marras, Nikhat Parveen
Real-time PCR assays have recently been implemented in diagnostics for many bacterial pathogens, allowing rapid and accurate detection, which ultimately results in improved clinical intervention. Here, we describe a sensitive method of detection for three common tick-borne pathogens Borrelia burgdorferi, Anaplasma phagocytophilum, and Babesia microti since coinfections with these pathogens have started occurring with increasing frequency over the last several years in both North America and Europe. A shared geographic region, the same tick vectors, and similar transmission cycle all favor simultaneous transmission of these three tick-borne pathogens...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28583072/identification-of-candidate-transmission-blocking-antigen-genes-in-theileria-annulata-and-related-vector-borne-apicomplexan-parasites
#16
Laetitia Lempereur, Stephen D Larcombe, Zeeshan Durrani, Tulin Karagenc, Huseyin Bilgin Bilgic, Serkan Bakirci, Selin Hacilarlioglu, Jane Kinnaird, Joanne Thompson, William Weir, Brian Shiels
BACKGROUND: Vector-borne apicomplexan parasites are a major cause of mortality and morbidity to humans and livestock globally. The most important disease syndromes caused by these parasites are malaria, babesiosis and theileriosis. Strategies for control often target parasite stages in the mammalian host that cause disease, but this can result in reservoir infections that promote pathogen transmission and generate economic loss. Optimal control strategies should protect against clinical disease, block transmission and be applicable across related genera of parasites...
June 5, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28579026/a-flow-cytometric-assessment-of-the-lymphocyte-immunophenotypes-in-dogs-naturally-infected-with-babesia-rossi
#17
Yolandi Rautenbach, Amelia Goddard, Peter N Thompson, Richard J Mellanby, Andrew L Leisewitz
Immunity to Babesia infection requires both innate and acquired responses, including cell mediated- and humoral responses. The aims of this study were to investigate the variation in selected peripheral blood lymphocyte phenotypes in dogs with virulent babesiosis at presentation and over time after treatment, and to determine whether these were correlated with the severity of clinical signs. Forty-four dogs naturally infected with B. rossi were studied and 5 healthy dogs were included as controls. Blood samples were collected from the jugular vein at admission, prior to any treatment, and at 24h and 48-72h...
July 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28577898/the-nexus-of-hair-corticosterone-level-immunocompetence-metabolic-rates-and-overwinter-survival-in-the-root-vole-microtus-oeconomus
#18
Aneta Książek, Karol Zub, Paulina A Szafrańska, Monika Wieczorek, Marek Konarzewski
Although corticosterone (CORT) regulates many physiological mechanisms, the associations between CORT levels, immunocompetence, energy expenditures and overwinter survival have not been examined. Here, we studied individual variation in CORT level extracted from hair, immunocompetence quantified as the neutrophil-to-lymphocyte (N/L) ratio, total white blood cells (WBC) and natural antibody levels (NAbs), along with the resting (RMR) and peak metabolic rates (PMR) and mortality during three consecutive winter seasons in a natural population of the root vole, Microtus oeconomus...
May 31, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28570038/molecular-detecting-of-piroplasms-in-feeding-and-questing-ixodes-ricinus-ticks
#19
Małgorzata Adamska, Bogumiła Skotarczak
The purpose of this study was to detect piroplasms, which are pathogens of veterinary and zoonotic importance in ticks, that were collected from ponies and field vegetation and to determine the role of Shetland ponies as potential reservoir hosts for piroplasms. A total of 1737 feeding and 371 questing Ixodes ricinus collected from horses or vegetation were tested for the presence of Babesia and Theileria DNA. Piroplasm 18S rRNA gene amplification was conducted, and the obtained amplicons were sequenced. Babesia DNA was detected in only three ticks (one tick collected from a pony and two collected from vegetation), and all of the obtained sequences had 100% similarity to B...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28558145/prevalence-of-vector-borne-pathogens-in-southern-california-dogs-with-clinical-and-laboratory-abnormalities-consistent-with-immune-mediated-disease
#20
L Kidd, B Qurollo, M Lappin, K Richter, J R Hart, S Hill, C Osmond, E B Breitschwerdt
BACKGROUND: Studies investigating the prevalence of vector-borne pathogens in southern California dogs are limited. Occult infections might be misdiagnosed as idiopathic immune-mediated disease. HYPOTHESIS/OBJECTIVES: (1) To determine the prevalence of vector-borne pathogens in southern California dogs with compatible clinical findings using PCR and serologic panels and (2) to determine whether testing convalescent samples and repeating PCR on acute samples using the same and different gene targets enhance detection...
May 30, 2017: Journal of Veterinary Internal Medicine
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