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https://www.readbyqxmd.com/read/28428133/epidemiological-study-of-common-diseases-and-their-risk-factors-in-camels-in-south-punjab-pakistan
#1
Aneela Zameer Durrani, Zubair Bashir, Imran Rasheed, Noor-Ul-Ain Sarwar
Bacteriological study of mastitis along with common blood protozoan diseases were studied in dromedary camels in Cholistan, Dera Ismail Khan and Rahim Yar Khan districts in South Punjab, Pakistan. For this purpose 300 camels were sampled randomly at different common grazing and watering point. For study of blood parasites clinically suspected and apparently healthy camels, 150 each, were sampled. An overall prevalence of 15%and 5% was recorded for trypanosomiasis and Anaplasmosis respectively. Trypanosoma evansi was identified with 280 bp product on polymerase chain reaction test...
April 17, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28408334/the-transcription-factor-relish-controls-anaplasma-marginale-infection-in-the-bovine-tick-rhipicephalus-microplus
#2
J Capelli-Peixoto, Danielle D Carvalho, Wendell C Johnson, Glen A Scoles, Andrea C Fogaça, Sirlei Daffre, Massaro W Ueti
Rhipicephalus microplus is an important biological vector of Anaplasma marginale, the etiological agent of bovine anaplasmosis. The knowledge of tick immune responses to control bacterial infections remains limited. In this study, we demonstrate that transcription factor Relish from the IMD signaling pathway has an important role in the control of A. marginale infection in ticks. We found that RNA-mediated silencing of Relish caused a significant increase in the number of A. marginale in the midgut and salivary glands of R...
April 10, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28381313/influence-of-genetic-background-on-hematologic-and-histopathologic-alterations-during-acute-granulocytic-anaplasmosis-in-129-svev-and-c57bl-6j-mice-lacking-type-i-and-type-ii-interferon-signaling
#3
Jennifer L Johns, Marielle L Discipulo, Amanda L Koehne, Kaitlin A Moorhead, Claude M Nagamine
The role of host type I IFN signaling and its interaction with other immune pathways during bacterial infections is incompletely understood. Type II IFN signaling plays a key role during numerous bacterial infections including granulocytic anaplasmosis (GA) caused by Anaplasma phagocytophilum infection. The function of combined type I and type II IFN signaling and their potential synergism during GA and similar tick-borne diseases is a topic of current research investigation. The goal of this study was to evaluate 2 mouse models of absent type I/type II IFN signaling in experimental A...
March 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28335800/a-new-method-for-in-vitro-feeding-of-rhipicephalus-australis-formerly-rhipicephalus-microplus-larvae-a-valuable-tool-for-tick-vaccine-development
#4
Jos J A Trentelman, Jos A G M Kleuskens, Jos van de Crommert, Theo P M Schetters
BACKGROUND: Rhipicephalus microplus is a hard tick that has a major impact on cattle health in tropical and subtropical regions because it feeds on cattle and is implicated in the transmission of pathogens that cause diseases such as bovine anaplasmosis and babesiosis. Presently, acaricides are used to control tick infestation but this is becoming increasingly less effective due to the emergence of tick strains that are resistant to one or more classes of acaricides. Anti-tick vaccines are a promising alternative to control tick infestation in cattle...
March 23, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28335329/nanoparticle-based-delivery-of-anaplasma-marginale-membrane-proteins-virb9-1-and-virb10-produced-in-the-pichia-pastoris-expression-system
#5
Bing Zhang, Antonio S Cavallaro, Karishma T Mody, Jun Zhang, James R Deringer, Wendy C Brown, Timothy J Mahony, Chengzhong Yu, Neena Mitter
Bovine anaplasmosis or cattle-tick fever is a tick-borne haemolytic disease caused by the rickettsial haemoparasite Anaplasma marginale in tropical and subtropical areas of the world. While difficult to express, the proteins VirB9-1 and VirB10 are immunogenic components of the outer membrane type IV secretion system that have been identified as candidate antigens for vaccines targeting of A. marginale. Soluble VirB9-1 and VirB10 were successfully expressed using Pichia pastoris. When formulated with the self-adjuvanting silica vesicles, SV-100 (diameter: 50 nm, and pore entrance size: 6 nm), 200 µg of VirB9-1 and VirB10 were adsorbed per milligram of nanoparticle...
November 5, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28331130/cytopenias-and-clonal-expansion-of-gamma-delta-t-cells-in-a-patient-with-anaplasmosis-a-potential-diagnostic-pitfall
#6
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/28322187/influence-of-genetic-background-on-hematologic-and-histopathologic-alterations-during-acute-granulocytic-anaplasmosis-in-129-svev-and-c57bl-6j-mice-lacking-type-i-and-type-ii-interferon-signaling
#7
Jennifer L Johns Marielle L Discipulo Amanda L Koehne Kaitlin A Moorhead And Claude M Nagamine
The role of host type I IFN signaling and its interaction with other immune pathways during bacterial infections is incompletelyunderstood. Type II IFN signaling plays a key role during numerous bacterial infections including granulocytic anaplasmosis (GA)caused by Anaplasma phagocytophilum infection. The function of combined type I and type II IFN signaling and their potentialsynergism during GA and similar tick-borne diseases is a topic of current research investigation. The goal of this study was toevaluate 2 mouse models of absent type I/type II IFN signaling in experimental A...
March 20, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28281774/parasites-of-domestic-and-wild-animals-in-south-africa-l-ixodid-ticks-infesting-horses-and-donkeys
#8
Ivan G Horak, Heloise Heyne, Ali Halajian, Shalaine Booysen, Willem J Smit
The aim of the study was to determine the species spectrum of ixodid ticks that infest horses and donkeys in South Africa and to identify those species that act as vectors of disease to domestic livestock. Ticks were collected opportunistically from 391 horses countrywide by their owners or grooms, or by veterinary students and staff at the Faculty of Veterinary Science, University of Pretoria. Ticks were also collected from 76 donkeys in Limpopo Province, 2 in Gauteng Province and 1 in North West province...
February 28, 2017: Onderstepoort Journal of Veterinary Research
https://www.readbyqxmd.com/read/28241784/genetic-profiling-for-anaplasma-and-ehrlichia-species-in-ticks-collected-in-the-eastern-cape-province-of-south-africa
#9
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/28229048/anaplasma-phagocytophilum-infection-subverts-carbohydrate-metabolic-pathways-in-the-tick-vector-ixodes-scapularis
#10
Alejandro Cabezas-Cruz, Pilar Alberdi, James J Valdés, Margarita Villar, José de la Fuente
The obligate intracellular pathogen, Anaplasma phagocytophilum, is the causative agent of human, equine, and canine granulocytic anaplasmosis and tick-borne fever (TBF) in ruminants. A. phagocytophilum has become an emerging tick-borne pathogen in the United States, Europe, Africa, and Asia, with increasing numbers of infected people and animals every year. It has been recognized that intracellular pathogens manipulate host cell metabolic pathways to increase infection and transmission in both vertebrate and invertebrate hosts...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28214195/first-clinical-case-of-canine-granulocytic-anaplasmosis-in-korea-and-genotypic-analyses-of-anaplasma-phagocytophilum
#11
Seung-Hun Lee, Nara Kim, Dongmi Kwak
A 2-year-old male Jindo dog was presented to a local veterinary clinic for anorexia, lethargy, edema around neck, and vomiting. Based on the clinical history, physical examination, hematology, blood chemistry, serology, and PCR, the dog was diagnosed with canine granulocytic anaplasmosis (CGA). PCR and phylogenetic analyses targeting the 16S rRNA, groEL, and msp2 genes of Anaplasma phagocytophilum revealed that the A. phagocytophilum identified in this study subgrouped into alanine and USA groups according to the groEL and msp2 gene sequences, respectively...
February 3, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28212848/major-vectors-and-vector-borne-diseases-in-small-ruminants-in-ethiopia-a-systematic-review
#12
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/28202075/tick-borne-pathogens-induce-differential-expression-of-genes-promoting-cell-survival-and-host-resistance-in-ixodes-ricinus-cells
#13
Karen L Mansfield, Charlotte Cook, Richard J Ellis, Lesley Bell-Sakyi, Nicholas Johnson, Pilar Alberdi, José de la Fuente, Anthony R Fooks
BACKGROUND: There has been an emergence and expansion of tick-borne diseases in Europe, Asia and North America in recent years, including Lyme disease, tick-borne encephalitis and human anaplasmosis. The primary vectors implicated are hard ticks of the genus Ixodes. Although much is known about the host response to these bacterial and viral pathogens, there is limited knowledge of the cellular responses to infection within the tick vector. The bacterium Anaplasma phagocytophilum is able to bypass apoptotic processes in ticks, enabling infection to proceed...
February 15, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28169172/molecular-characterisation-of-anaplasma-species-from-african-buffalo-syncerus-caffer-in-kruger-national-park-south-africa
#14
Danielle Sisson, Jasmin Hufschmid, Anna Jolles, Brianna Beechler, Abdul Jabbar
Bovine anaplasmosis is a tick-borne disease, mainly caused by Anaplasma marginale and A. centrale and is distributed in tropical and sub-tropical areas. This study aimed to characterise A. marginale and A. centrale from African buffaloes in Kruger National Park (KNP), South Africa, using the DNA sequences of the genes coding for major surface protein (msp1β) and heat shock protein (groEL), respectively. A total of 747 blood samples were collected from February 2014 to August 2016 from African buffaloes kept in KNP, and DNAs were tested using a molecular-phylogenetic approach...
January 17, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28160773/-candidatus-anaplasma-camelii-in-one-humped-camels-camelus-dromedarius-in-morocco-a-novel-and-emerging-anaplasma-species
#15
Hicham Ait Lbacha, Zaid Zouagui, Said Alali, Abdelkbir Rhalem, Elisabeth Petit, Marie Julie Ducrotoy, Henri-Jean Boulouis, Renaud Maillard
BACKGROUND: There has been a growing interest in camel anaplasmosis due to its recent emergence in this reservoir species and concerns for its zoonotic potential. The epidemiology of anaplasmosis in camels therefore remains poorly understood mostly because camels belong to marginalised poor and often transhumant populations whose interests are largely neglected. Most studies of anaplasmosis in camels have relied on microscopy and serology for diagnosis and only three studies, undertaken in Tunisia, Saudia Arabia and China, have used molecular diagnostics...
February 5, 2017: Infectious Diseases of Poverty
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
#16
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/28118097/a-loop-mediated-isothermal-amplification-assay-targeting-16s-rrna-gene-for-rapid-detection-of-anaplasma-phagocytophilum-infection-in-sheep-and-goats
#17
Jinhong Wang, Yan Zhang, Xiaoxing Wang, Yanyan Cui, Yaqun Yan, Rongjun Wang, Fuchun Jian, Longxian Zhang, Changshen Ning
Anaplasma phagocytophilum is a zoonotic pathogen and the causative agent of human granulocytic anaplasmosis 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 ) were established...
April 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28109769/molecular-typing-and-diagnosis-of-anaplasma-spp-closely-related-to-anaplasma-phagocytophilum-in-ruminants-from-tunisia
#18
Mourad Ben Said, Hanène Belkahia, Narjesse El Mabrouk, Mariem Saidani, Mariem Ben Hassen, Alberto Alberti, Rosanna Zobba, Skander Bouattour, Ali Bouattour, Lilia Messadi
Accurate diagnosis of animal and zoonotic diseases, such as granulocytic anaplasmosis, is crucial to estimate risk during control programs. In this study, 16S rRNA nested PCR and RFLP assay were combined to investigate the presence of Anaplasma phagocytophilum and genetically related strains (namely A. phagocytophilum-like 1 and 2) in 936 Tunisian ruminants. By using this method, A. phagocytophilum was not detected in any of the tested animals, while A. phagocytophilum-like 1 and A. phagocytophilum-like 2 were detected at variable prevalence rates in sheep, goats and cattle at coinfection rates respectively of 3...
January 16, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28096621/multiple-infections-of-anaplasma-platys-variants-in-philippine-dogs
#19
Adrian Patalinghug Ybañez, Rochelle Haidee Daclan Ybañez, Naoaki Yokoyama, Hisashi Inokuma
AIM: Anaplasma platys, the causative agent of infectious canine cyclic thrombocytopenia, is a tick-borne pathogen that also has been implicated as potentially zoonotic. To provide molecular evidence on the multiple infections of A. platys variants in Philippine dogs. MATERIALS AND METHODS: DNA fragments of A. platys from infected dogs in the Philippines were molecularly characterized. For screening, 25 dogs suspected to have canine anaplasmosis were tested using a 16S rRNA-based nested polymerase chain reaction (PCR)...
December 2016: Veterinary World
https://www.readbyqxmd.com/read/28096373/pathogen-mediated-manipulation-of-arthropod-microbiota-to-promote-infection
#20
Nabil M Abraham, Lei Liu, Brandon Lyon Jutras, Akhilesh K Yadav, Sukanya Narasimhan, Vissagan Gopalakrishnan, Juliana M Ansari, Kimberly K Jefferson, Felipe Cava, Christine Jacobs-Wagner, Erol Fikrig
Arthropods transmit diverse infectious agents; however, the ways microbes influence their vector to enhance colonization are poorly understood. Ixodes scapularis ticks harbor numerous human pathogens, including Anaplasma phagocytophilum, the agent of human granulocytic anaplasmosis. We now demonstrate that A. phagocytophilum modifies the I. scapularis microbiota to more efficiently infect the tick. A. phagocytophilum induces ticks to express Ixodes scapularis antifreeze glycoprotein (iafgp), which encodes a protein with several properties, including the ability to alter bacterial biofilm formation...
January 31, 2017: Proceedings of the National Academy of Sciences of the United States of America
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