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https://www.readbyqxmd.com/read/28229221/the-raccoon-dog-nyctereutes-procyonoides-and-the-raccoon-procyon-lotor-their-role-and-impact-of-maintaining-and-transmitting-zoonotic-diseases-in-austria-central-europe
#1
Tanja Duscher, Adnan Hodžić, Walter Glawischnig, Georg G Duscher
The neozoan species raccoon dog (Nyctereutes procyonoides) and raccoon (Procyon lotor) are widespread in Europe and potential vectors of many diseases that can threaten human and domestic animal health. Facing a further spread of these species, it is important to know about (i) pathogens imported and/or (ii) pathogens acquired in the new habitat. Thus, we investigated the parasite fauna of wild raccoon dogs and raccoons from Austria, at the edge of their new distribution range. The eight examined raccoons were nearly free of pathogens including Baylisascaris procyonis, and thus assumed to have a low epidemiological impact, so far...
February 23, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28217703/babesiosis-associated-immune-thrombocytopenia
#2
Roshni Narurkar, Aleksandra Mamorska-Dyga, Anup Agarwal, John C Nelson, Delong Liu
Thrombocytopenia is a common feature of babesiosis. The mechanism for thrombocytopenia in babesiosis remains elusive. We report a case of babesiosis with severe new onset immune thrombocytopenia (ITP). In addition to antibiotics treatment for babesiosis, ITP therapy was administered. ITP in the present case was most likely triggered by the babesia infection. The severity of ITP in this case was not proportional to the severity of parasitemia. The neoantigen triggering the autoimmune response in babesiosis requires further characterization...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28207983/a-novel-flow-cytometric-application-discriminates-among-the-effects-of-chemical-inhibitors-on-various-phases-of-babesia-divergens-intraerythrocytic-cycle
#3
Jeny R Cursino-Santos, Manpreet Singh, Petra Pham, Cheryl A Lobo
Human babesiosis is a global emerging infectious disease caused by intraerythrocytic parasites of the genus Babesia. Its biology has remained largely unexplored due to a lack of critical tools and techniques required to define the various stages and phases of the parasite's cycle in its host RBC and the interplay between host and parasite. This article presents a powerful set of tools combining stage synchronization of the parasite with a platform that encompasses both a flow cytometric evaluation of the subpopulation structure of the parasite population together with a morphological assessment of the population parasites using light microscopy of conventional Giemsa stained smears...
February 16, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28202022/hematologic-manifestations-of-babesiosis
#4
REVIEW
Tamer Akel, Neville Mobarakai
BACKGROUND: Babesiosis, a zoonotic parasitic infection transmitted by the Ixodes tick, has become an emerging health problem in humans that is attracting attention worldwide. Most cases of human babesiosis are reported in the United States and Europe. The disease is caused by the protozoa of the genus Babesia, which invade human erythrocytes and lyse them causing a febrile hemolytic anemia. The infection is usually asymptomatic or self-limited in the immunocompetent host, or follows a persistent, relapsing, and/or life threatening course with multi-organ failure, mainly in the splenectomized or immunosuppressed patients...
February 15, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28196774/is-the-free-ranging-jaguar-panthera-onca-a-reservoir-for-cytauxzoon-felis-in-brazil
#5
Mariana Malzoni Furtado, Sueli Akemi Taniwaki, Betina Metzger, Karina Dos Santos Paduan, Helena Lucia O'Dwyer, Anah Tereza de Almeida Jácomo, Grasiela E O Porfírio, Leandro Silveira, Rahel Sollmann, Natália Mundim Tôrres, José Soares Ferreira Neto
This study investigated the occurrence of Cytauxzoon felis and Babesia spp. in free-ranging jaguars (Panthera onca), domestic dogs (Canis lupus familiaris) and domestic cats (Felis catus) from the Cerrado, Amazon and Pantanal biomes of Brazil. Blood samples were collected from 30 jaguars, 129 dogs and 22 cats for detection of the 18S rRNA genes of piroplasmids. All of the jaguars from the Pantanal (n=22) and Cerrado (n=4) and three of four jaguars from the Amazon were positive for C. felis, but no dogs or cats were positive for the agent...
February 6, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28193250/a-novel-modified-indirect-elisa-based-on-spherical-body-protein-4-for-detecting-antibody-during-acute-and-long-term-infections-with-diverse-babesia-bovis-strains
#6
Chungwon J Chung, Carlos E Suarez, Carey L Bandaranayaka-Mudiyanselage, Chandima-Bandara Bandaranayaka-Mudiyanselage, Joanna Rzepka, T J Heiniger, Grace Chung, Stephen S Lee, Ethan Adams, Grace Yun, Susan J Waldron
BACKGROUND: Cattle persistently infected with Babesia bovis are reservoirs for intra- and inter-herd transmission. Since B. bovis is considered a persistent infection, developing a reliable, high-throughput assay that detects antibody during all stages of the infection could be pivotal for establishing better control protocols. METHODS: A modified indirect enzyme-linked immunosorbent assay (MI-ELISA) was developed using the spherical body protein-4 (SBP4) of B. bovis to detect antibody against diverse strains through all infection stages in cattle...
February 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28188085/species-of-ticks-and-carried-pathogens-in-owned-dogs-in-spain-results-of-a-one-year-national-survey
#7
Agustín Estrada-Peña, Xavier Roura, Angel Sainz, Guadalupe Miró, Laia Solano-Gallego
This study presents the results of a national survey in Spain on the distribution of ticks on owned dogs, their phenology and the associated pathogens over one year. In the study, 1628 adult ticks were collected on 660 dogs presented to 26 veterinary practices, of which 507 dogs (76.8%) carried at least one adult tick. The primary species of ticks were Rhipicephalus sanguineus s.l. (53%), Dermacentor reticulatus (9%), Ixodes ricinus (9%), and I. hexagonus (4%). Parasitism by two species of these ticks was rare...
February 3, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28166832/prevalence-genetic-identity-and-vertical-transmission-of-babesia-microti-in-three-naturally-infected-species-of-vole-microtus-spp-cricetidae
#8
Katarzyna Tołkacz, Małgorzata Bednarska, Mohammed Alsarraf, Dorota Dwużnik, Maciej Grzybek, Renata Welc-Falęciak, Jerzy M Behnke, Anna Bajer
BACKGROUND: Vertical transmission is one of the transmission routes for Babesia microti, the causative agent of the zoonotic disease, babesiosis. Congenital Babesia invasions have been recorded in laboratory mice, dogs and humans. The aim of our study was to determine if vertical transmission of B. microti occurs in naturally-infected reservoir hosts of the genus Microtus. METHODS: We sampled 124 common voles, Microtus arvalis; 76 root voles, M. oeconomus and 17 field voles, M...
February 6, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28160310/acute-phase-proteins-response-in-cats-naturally-infected-with-hepatozoon-felis-and-babesia-vogeli
#9
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/28160075/redescription-of-babesia-ardeae-toumanoff-1940-a-parasite-of-ardeidae-including-molecular-characterization
#10
J -M Chavatte, C Okumura, I Landau
Among the actual 16 identified and thought to be valid avian piroplasm species, certain parasites are only known from their original description with no subsequent report. Babesia ardeae Toumanoff, 1940 is one of them. It was described from a single sacrificed gray heron (Ardea cinerea) from Vietnam and had never been reported since this date despite inhabiting a very common avian host. The present study reports the accidental rediscovery of B. ardeae from an injured wild gray heron rescued in Singapore. This report confirms the existence of this parasite species in the gray heron from Southeast Asia, highlights the similarities with the original description, provides additional morphologic and morphometric data, and designates neotype material for B...
February 3, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28153804/putrescine-essential-factor-for-in%C3%A2-vitro-proliferation-of-babesia-bovis
#11
C Rojas-Martínez, R I Rodríguez-Vivas, J V Figueroa Millán, K Y Acosta Viana, E J Gutiérrez Ruiz, J A Álvarez Martínez
This study reports the effect of putrescine addition, either alone or in combination with insulin, transferrin and selenite (ITS), to serum-free Advanced DMEM/F12 (A-DMEM/F12) medium, on the in vitro culture of Babesia bovis and using a perfusion bioreactor to improve efficiency of the process. A B. bovis strain previously adapted to proliferate in serum-free medium (Bbovis-SF) was evaluated using eight increasing concentrations of putrescine. The percentage of parasitized erythrocytes (PPE) obtained from cultures supplemented with 0...
January 30, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28152313/analysis-of-stage-specific-protein-expression-during-babesia-bovis-development-within-female-rhipicephalus-microplus
#12
Wendell C Johnson, Naomi S Taus, Kathryn E Reif, Gamila A R Bohaliga, Lowell S Kappmeyer, Massaro W Ueti
Arthropod-borne protozoan pathogens have a complex life cycle that includes asexual reproduction of haploid stages in mammalian hosts and the development of diploid stages in invertebrate hosts. The ability of pathogens to invade, survive, and replicate within distinct cell types is required to maintain their life cycle. In this study, we describe a comparative proteomic analysis of a cattle pathogen, Babesia bovis, during its development within the mammalian and tick hosts with the goal of identifying cell-surface proteins expressed by B...
February 9, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28143697/first-detection-of-tick-borne-pathogens-of-dogs-from-malta
#13
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/28131866/genetic-characterization-and-molecular-survey-of-babesia-sp-xinjiang-infection-in-small-ruminants-and-ixodid-ticks-in-china
#14
Qingli Niu, Zhijie Liu, Jifei Yang, Shandian Gao, Yuping Pan, Guiquan Guan, Jianxun Luo, Hong Yin
Babesia sp. Xinjiang is a large ovine Babesia species that was recently isolated in China. Compared with other ovine Babesia species, it has different morphological features, pathogenicity and vector tick species. The known transmitting vector is Hyalomma anatolicum. In this study, the distribution and the presence of Babesia sp. Xinjiang in small ruminants and ixodid ticks in China were assessed by specific nested-PCR assay based on the rap-1a gene. A total of 978 blood samples from sheep or goats from 15 provinces and 797 tick specimens from vegetation from 10 provinces were collected and analysed for the presence of the Babesia sp...
January 25, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28131376/molecular-evidence-of-tick-borne-hemoprotozoan-parasites-theileria-ovis-and-babesia-ovis-and-bacteria-in-ticks-and-blood-from-small-ruminants-in-northern-algeria
#15
Atef Aouadi, Hamza Leulmi, Mehdi Boucheikhchoukh, Ahmed Benakhla, Didier Raoult, Philippe Parola
Using qPCR, standard PCR and/or sequencing, we investigated the presence of tick-associated microorganisms in ticks and blood from sheep and goats from Souk Ahras, Algeria. Borrelia theileri, was detected in (7/120, 5.8%) blood from sheep and (13/120, 10.8%) goats. Anaplasma ovis was screened in (38/73, 52%) Rhipicephalus bursa and (5/22, 22.7%) R. turanicus and in (74/120, 61.7%), (65/120, 54.2%) blood of sheep and goats respectively. Coxiella burnetii tested positive in R. bursa (4/73, 5.5%) and (7/120, 5...
February 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28118097/a-loop-mediated-isothermal-amplification-lamp-assay-targeting-16s-rrna-gene-for-rapid-detection-of-anaplasma-phagocytophilum-infection-in-sheep-and-goats
#16
Changshen Ning, Jinhong Wang, Yan Zhang, Xiaoxing Wang, Yanyan Cui, Yaqun Yan, Rongjun Wang, Fuchun Jian, Longxian Zhang
Anaplasma phagocytophilum is a zoonotic pathogen and the causative agent of human granulocytic anaplasmosis (HGA) in humans and tick-borne fever in various kinds of animals. In the present study, a loop-mediated isothermal amplification (LAMP) assay for rapid detection of A. phagocytophilum was developed using primers specific to 16S rRNA gene of this organism. The LAMP assay was performed at 65 C for 60 min and terminated at 80 C for 10 min. The optimal reaction conditions, under which no cross-reaction was observed with other closely related tick borne parasites (Anaplasma bovis, Anaplasma ovis, Theileria luwenshuni, Babesia motasi and Schistosoma japonicum) was established...
January 24, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28116531/dermacentor-reticulatus-a-putative-vector-of-babesia-cf-microti-syn-theileria-annae-piroplasm
#17
Adnan Hodžić, Johanna Zörer, Georg Gerhard Duscher
Babesia cf. microti (syn. Theileria annae, Babesia microti-like, Babesia vulpes) is a recently recognized tick-borne piroplasm that infects domestic and wild carnivores. Although Ixodes hexagonus is considered as the leading candidate responsible for the transmission, its capacity to act as a competent vector has not yet been confirmed. This study reports the occurrence of B.cf. microti in unfed Dermacentor reticulatus for the first time, suggesting that this tick species may be implicated in the life cycle of this canine parasite...
January 23, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28096607/diagnosis-and-management-of-bovine-babesiosis-outbreaks-in-cattle-in-punjab-state
#18
Mandeep Singh Bal, Vishal Mahajan, Gursimran Filia, Paramjit Kaur, Amarjit Singh
AIM: The aim of the present study was to diagnose severe outbreaks of bovine babesiosis in Punjab state, in the year 2015 and to suggest control and preventive measures to animal owners. MATERIALS AND METHODS: Mortality of animals was recorded in two cattle herd comprising a total of 465 cattle in Sangrur (n=125) and Faridkot (n=340) districts. There was a history of purchase of animals at one farm. 23 blood samples were collected from diseased (n=15) and healthy animals (n=8) for hematological analysis, parasitological, and polymerase chain reaction (PCR)-based diagnosis...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28089651/canine-tick-borne-pathogens-in-cyprus-and-a-unique-canine-case-of-multiple-co-infections
#19
Charalampos Attipa, Chelsea A E Hicks, Emily N Barker, Vasiliki Christodoulou, Kyriaki Neofytou, Mathios E Mylonakis, Victoria I Siarkou, Elpida I Vingopoulou, Francesca Soutter, Dimosthenis Chochlakis, Anna Psaroulaki, Kostas Papasouliotis, Séverine Tasker
Canine tick-borne pathogens such as Ehrlichia canis and Hepatozoon canis are widespread in the Mediterranean basin but have never been reported or investigated in Cyprus. We describe herein the presence of canine tick-borne pathogens in three dogs with clinical signs compatible with vector-borne diseases from Paphos area of Cyprus. Molecular and phylogenetic analysis revealed the presence of E. canis, Anaplasma platys, H. canis, Babesia vogeli and Mycoplasma haemocanis in Cyprus. One dog co-infected with E...
December 26, 2016: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28089650/neither-quantification-by-qpcr-nor-quantitative-elisa-can-be-used-to-discriminate-angus-cattle-for-resistance-susceptibility-to-babesia-bovis
#20
Rodrigo Giglioti, Henrique Nunes Oliveira, Adriana Mércia Guaratini Ibelli, Talita Barban Bilhassi, Thalita Athiê Néo, Clarissa Helena Santana, Márcio Dias Rabelo, Rosângela Zacarias Machado, Ana Carolina de Souza Chagas, Márcia Cristina de Sena Oliveira
With the aim of finding quantitative phenotypic traits that can be used to discriminate the levels of resistance/susceptibility to Babesia bovis, we estimated the repeatability and correlation between the level of infection, determined by the number of copies of a fragment of the gene that encodes cytochrome B (NC mt-cyB) of B. bovis, and the levels of the anti-B. bovis antibodies, in blood samples collected from 51 Angus cattle on two different occasions. Samples with the anticoagulant EDTA were used for DNA extraction and without anticoagulant for separation of the blood serum...
November 21, 2016: Ticks and Tick-borne Diseases
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