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https://www.readbyqxmd.com/read/28705746/first-report-of-ehrlichia-infection-in-goats-china
#1
Hui Zhang, Zhenyu Chang, Khalid Mehmood, Yajing Wang, Mujeeb Ur Rehman, Fazul Nabi, Ahamad Jawad Sabir, Xueting Liu, Xiaoxing Wu, Xinxin Tian, Donghai Zhou
Ehrlichiosis is an emerging infectious disease of domestic animals which is transmitted by ticks. This disease has been reported earlier in most parts of China in dogs, cattle and humans, but there is no published data regarding this disease in goats. The present study provided the evidence of Ehrlichia infection in goats in Wuhan, China on the basis of clinical signs, gross lesions, serum-biochemical, histopathological and PCR. Twenty four goats were presented to the veterinary hospital of Huazhong Agricultural University during July, 2016...
July 11, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28699575/proposal-to-reclassify-ehrlichia-muris-as-ehrlichia-muris-subsp-muris-subsp-nov-and-description-of-ehrlichia-muris-subsp-eauclairensis-subsp-nov-a-newly-recognized-tick-borne-pathogen-of-humans
#2
Bobbi S Pritt, Michelle E J Allerdice, Lynne M Sloan, Christopher D Paddock, Ulrike G Munderloh, Yasuko Rikihisa, Tomoko Tajima, Susan M Paskewitz, David F Neitzel, Diep K Hoang Johnson, Elizabeth Schiffman, Jeffrey P Davis, Cynthia S Goldsmith, Curtis M Nelson, Sandor E Karpathy
We have previously described a novel taxon of the genus Ehrlichia (type strain WisconsinT), closely related to Ehrlichia muris, that causes human ehrlichiosis among patients with exposures to ticks in the upper midwestern USA. DNA from this bacterium was also detected in Ixodes scapularis and Peromyscus leucopus collected in Minnesota and Wisconsin. To determine the relationship between the E. muris-like agent (EMLA) and other species of the genus Ehrlichia phenotypic, genotypic and epidemiologic comparisons were undertaken, including sequence analysis of eight gene loci (3906 nucleotides) for 39 EMLA DNA samples and the type strain of E...
July 12, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28645313/molecular-investigation-and-phylogeny-of-anaplasmataceae-species-infecting-domestic-animals-and-ticks-in-corsica-france
#3
Mustapha Dahmani, Bernard Davoust, Djamel Tahir, Didier Raoult, Florence Fenollar, Oleg Mediannikov
BACKGROUNDS: Corsica is a French island situated in the Mediterranean Sea. The island provides suitable natural conditions to study disease ecology, especially tick-borne diseases and emerging diseases in animals and ticks. The family Anaplasmataceae is a member of the order Rickettsiales; it includes the genera Anaplasma, Ehrlichia, Neorickettsia and Wolbachia. Anaplasmosis and ehrlichiosis traditionally refer to diseases caused by obligate intracellular bacteria of the genera Anaplasma and Ehrlichia...
June 23, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28632488/vector-borne-pathogens-in-stray-dogs-in-northeastern-turkey
#4
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/28628845/serum-antioxidant-capacity-and-oxidative-damage-in-clinical-and-subclinical-canine-ehrlichiosis
#5
Camila Peres Rubio, Zeki Yilmaz, Silvia Martínez-Subiela, Meric Kocaturk, Josefa Hernández-Ruiz, Ebru Yalcin, Asta Tvarijonaviciute, Damián Escribano, Jose Joaquín Ceron
The objective of this study was to evaluate and compare the antioxidant response and the products of oxidative damage analysed by various assays in clinical and subclinical canine monocytic ehrlichiosis (CME). For this purpose, four assays to measure the total serum antioxidant capacity (TAC), such as the cupric reducing antioxidant capacity (CUPRAC), ferric reducing ability of plasma (FRAP), trolox equivalent antioxidant capacity (TEAC) using acidic medium (TEACA), and the TEAC using the horseradish peroxidase (TEACH) were used...
June 12, 2017: Research in Veterinary Science
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
#6
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/28615848/therapeutic-management-of-canine-ehrlichiosis-with-aid-of-blood-transfusion-a-case-report
#7
Arjun Kasondra, Snehil Gupta, Gamit Amit Bhai Bharat Bhai, Vijesh Kumar Saini
An adult female Labrador Retriever dog was presented at referral veterinary polyclinic, IVRI in lateral recumbency with history of anorexia, high fever, severe panting, heavy tick infestation, and not responding to cephalosporins and fluoroquinolones since last 1 week. Clinical examination showed pale conjunctiva, enlarged popliteal lymph node however, electrocardiogram (ECG) report found to be normal. Haematological finding showed marked anaemia and thrombocytopenia. Parasitological examination found it to be positive for Ehrlichia canis and confirmed ticks to be Rhipicephalus sanguineus...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28602279/an-elisa-immunoassay-employing-a-conserved-leishmania-hypothetical-protein-for-the-serodiagnosis-of-visceral-and-tegumentary-leishmaniasis-in-dogs-and-humans
#8
Ana Maria R S Carvalho, Lourena E Costa, Beatriz C S Salles, Thaís T O Santos, Fernanda F Ramos, Mariana P Lima, Miguel A Chávez-Fumagalli, Bruna T Silvestre, Áquila S B Portela, Bruno M Roatt, Julia A G Silveira, Denise U Gonçalves, Danielle F Magalhães-Soares, Mariana C Duarte, Daniel Menezes-Souza, Eduardo A F Coelho
In the present study, a conserved Leishmania hypothetical protein, namely LiHypA, was evaluated for the serodiagnosis of visceral and tegumentary leishmaniasis in dogs and humans. This protein showed a high amino acid sequence homology between viscerotropic and cutaneotropic Leishmania species. An enzyme-linked immunosorbent assay (ELISA) was developed using the recombinant antigen (rLiHypA), in addition to the A2 protein and two parasite antigenic preparations, which were used as controls. Regarding human diagnosis, results showed that rLiHypA was more sensitive and specific than ELISA-L...
June 8, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28598270/investigating-the-adult-ixodid-tick-populations-and-their-associated-anaplasma-ehrlichia-and-rickettsia-bacteria-at-a-rocky-mountain-spotted-fever-hotspot-in-western-tennessee
#9
Rebecca T Trout Fryxell, Brain M Hendricks, Kimberly Pompo, Sarah E Mays, Dave J Paulsen, Darwin J Operario, Allan E Houston
Ehrlichiosis and rickettsiosis are two common bacterial tick-borne diseases in the southeastern United States. Ehrlichiosis is caused by ehrlichiae transmitted by Amblyomma americanum and rickettsiosis is caused by rickettsiae transmitted by Amblyomma maculatum and Dermacentor variabilis. These ticks are common and have overlapping distributions in the region. The objective of this study was to identify Anaplasma, Ehrlichia, and Rickettsia species associated with questing ticks in a Rocky Mountain spotted fever (RMSF) hotspot, and identify habitats, time periods, and collection methods for collecting questing-infected ticks...
June 9, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28518034/relative-risk-for-ehrlichiosis-and-lyme-disease-in-an-area-where-vectors-for-both-are-sympatric-new-jersey-usa
#10
Andrea Egizi, Nina H Fefferman, Robert A Jordan
No abstract text is available yet for this article.
June 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28503372/endosymbiont-interference-and-microbial-diversity-of-the-pacific-coast-tick-dermacentor-occidentalis-in-san-diego-county-california
#11
Nikos Gurfield, Saran Grewal, Lynnie S Cua, Pedro J Torres, Scott T Kelley
The Pacific coast tick, Dermacentor occidentalis Marx, is found throughout California and can harbor agents that cause human diseases such as anaplasmosis, ehrlichiosis, tularemia, Rocky Mountain spotted fever and rickettsiosis 364D. Previous studies have demonstrated that nonpathogenic endosymbiotic bacteria can interfere with Rickettsia co-infections in other tick species. We hypothesized that within D. occidentalis ticks, interference may exist between different nonpathogenic endosymbiotic or nonendosymbiotic bacteria and Spotted Fever group Rickettsia (SFGR)...
2017: PeerJ
https://www.readbyqxmd.com/read/28457353/tick-borne-emerging-infections-ehrlichiosis-and-anaplasmosis
#12
REVIEW
Nahed Ismail, Jere W McBride
Human ehrlichiosis and anaplasmosis are acute febrile tick-borne infectious diseases caused by various members from the genera Ehrlichia and Anaplasma. Ehrlichia chaffeensis is the major etiologic agent of human monocytotropic ehrlichiosis (HME), while Anaplasma phagocytophilum is the major cause of human granulocytic anaplasmosis (HGA). The clinical manifestations of HME and HGA ranges from subclinical to potentially life-threatening diseases associated with multi-organ failure. Macrophages and neutrophils are the major target cells for Ehrlichia and Anaplasma, respectively...
June 2017: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/28344412/clinical-and-hematobiochemical-response-in-canine-monocytic-ehrlichiosis-seropositive-dogs-of-punjab
#13
Manasa R Kottadamane, Pritpal Singh Dhaliwal, Lachhman Das Singla, Baljinder Kumar Bansal, Sanjeev Kumar Uppal
AIM: As in India especially, the Punjab state sero-prevalence and distribution of ehrlichiosis in relation to clinico-hematobiochemical response remains largely unexplored. Thus, this study was designed to determine the prevalence of vector (tick)-borne tropical canine pancytopenia caused by Ehrlichia canis through enzyme labeled ImmunoComb(®) (IC) assay in dogs from in and around Ludhiana, Punjab. Correlation of prevalence was made with various clinico-hematobiochemical parameters. MATERIALS AND METHODS: Seroprevalence study was carried out using IC(®) test kit (Biogal, Galed Labs)...
February 2017: Veterinary World
https://www.readbyqxmd.com/read/28331130/cytopenias-and-clonal-expansion-of-gamma-delta-t-cells-in-a-patient-with-anaplasmosis-a-potential-diagnostic-pitfall
#14
Daniel Marko, Anamarija M Perry, Arjuna Ponnampalam, Michel R Nasr
Human granulocytic anaplasmosis is a rare, tick-borne infectious disease caused by Anaplasma phagocytophilum. Herein, we report a rare case of human granulocytic anaplasmosis associated with cytopenias and clonal expansion of gamma/delta T-cells in the bone marrow. A 77-year old man presented multiple times to the emergency department complaining of muscle weakness. Complete blood count detected cytopenias and peripheral blood smear showed pseudo Pelger-Huet neutrophils. These findings prompted bone marrow evaluation with ancillary studies including flow cytometry, karyotyping and T-cell rearrangement studies...
2017: Journal of Clinical and Experimental Hematopathology: JCEH
https://www.readbyqxmd.com/read/28267780/the-eurasian-otter-lutra-lutra-as-a-potential-host-for-rickettsial-pathogens-in-southern-italy
#15
Mario Santoro, Nicola D'Alessio, Anna Cerrone, Maria Gabriella Lucibelli, Giorgia Borriello, Gaetano Aloise, Clementina Auriemma, Nunzia Riccone, Giorgio Galiero
Canine monocytic ehrlichiosis and rickettsiosis are zoonotic tick-borne diseases of canids caused by the intracellular obligate bacteria Ehrlichia canis and Rickettsia species respectively. In this study, we investigated using standard and real-time PCR and sequencing, the occurrence and molecular characterization of E. canis and Rickettsia species in the Eurasian otter (Lutra lutra) from the southern Italian population. Samples were screened by using molecular assays also for Neospora caninum, Toxoplasma gondii, Clamydophyla spp...
2017: PloS One
https://www.readbyqxmd.com/read/28247969/canine-pancytopoenia-in-a-mediterranean-region-a-retrospective-study-of-119-cases-2005-to-2013
#16
P S Frezoulis, E Angelidou, D Karnezi, I L Oikonomidis, M Kritsepi-Konstantinou, D Kasabalis, M E Mylonakis
OBJECTIVES: To further clarify the causes of pancytopoenia and to investigate whether underlying cause or severity were associated with survival in an area endemic for vector-borne pathogens. METHODS: Retrospective review of medical records of 119 dogs with and 238 dogs without pancytopoenia. RESULTS: Mixed-breed dogs and dogs younger than one year had higher odds of being pancytopoenic. The most common diagnoses included monocytic ehrlichiosis (n=42), leishmaniasis (n=28) and parvoviral enteritis (n=19)...
March 1, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28241784/genetic-profiling-for-anaplasma-and-ehrlichia-species-in-ticks-collected-in-the-eastern-cape-province-of-south-africa
#17
Benson C Iweriebor, Elia J Mmbaga, Abiodun Adegborioye, Aboi Igwaran, Larry C Obi, Anthony I Okoh
BACKGROUND: Anaplasma and Ehrlichia are emerging tick-borne pathogens that cause anaplasmosis and ehrlichiosis in humans and other animals worldwide. Infections caused by these pathogens are deadly if left untreated. There has been relatively no systematic survey of these pathogens among ticks in South Africa, thus necessitating this study. The presence of Anaplasma and Ehrlichia species were demonstrated by PCR in ticks collected from domestic ruminants at some selected communities in the Eastern Cape of South Africa...
February 27, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28131594/detection-of-borrelia-miyamotoi-and-other-tick-borne-pathogens-in-human-clinical-specimens-and-ixodes-scapularis-ticks-in-new-york-state-2012-2015
#18
Danielle Wroblewski, Linda Gebhardt, Melissa A Prusinski, Lisa J Meehan, Tanya A Halse, Kimberlee A Musser
Borrelia miyamotoi (Bm) is a recently emerging bacterial agent transmitted by several species of ixodid ticks. Diagnosis of Bm infection can be challenging, as the organism is not easily cultivable. We have developed and validated a multiplex real-time PCR to simultaneously identify Bm infection and the agents causing human granulocytic anaplasmosis and human monocytic ehrlichiosis, Anaplasma phagocytophilum and Ehrlichia chaffeensis, respectively. The assay is 100% specific; highly sensitive, detecting 11 gene copies of Bm DNA in both whole blood and cerebral spinal fluid; and provides rapid results in less than two hours...
January 16, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28076469/scoring-clinical-signs-can-help-diagnose-canine-visceral-leishmaniasis-in-a-highly-endemic-area-in-brazil
#19
Kleverton Ribeiro da Silva, Vitor Rosa Ramos de Mendonça, Kellen Matuzzy Silva, Leopoldo Fabrício Marçal do Nascimento, Antonio Ferreira Mendes-Sousa, Flaviane Alves de Pinho, Manoel Barral-Netto, Aldina Maria Prado Barral, Maria do Socorro Pires E Cruz
Canine visceral leishmaniasis (CVL) diagnosis is still a challenge in endemic areas with limited diagnostic resources. This study proposes a score with the potential to distinguish positive CVL cases from negative ones. We studied 265 dogs that tested positive for CVL on ELISA and parasitological tests. A score ranging between 0 and 19 was recorded on the basis of clinical signs. Dogs with CVL had an overall higher positivity of the majority of clinical signs than did dogs without CVL or with ehrlichiosis. Clinical signs such as enlarged lymph nodes (83...
January 1, 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28055326/prevalence-and-distribution-of-human-and-tick-infections-with-the-ehrlichia-muris-like-agent-and-anaplasma-phagocytophilum-in-wisconsin-2009-2015
#20
Darby S Murphy, Xia Lee, Scott R Larson, Diep K Hoang Johnson, Theoren Loo, Susan M Paskewitz
Ehrlichiosis and anaplasmosis are important emerging tickborne zoonoses that affect both humans and animals. Knowledge of the geographic distribution and prevalence of Ehrlichia spp. and Anaplasma phagocytophilum in Wisconsin is important information as a baseline for future comparisons. Reported human cases between 2009 and 2015 were identified using the Wisconsin Electronic Disease Surveillance System (WEDSS) and mapped by county of residence. Vector surveillance was established using ticks collected from animals by partners, including veterinary medical clinics, domestic animal shelters, and wildlife rehabilitation centers from 40 Wisconsin counties...
April 2017: Vector Borne and Zoonotic Diseases
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