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https://www.readbyqxmd.com/read/28096621/multiple-infections-of-anaplasma-platys-variants-in-philippine-dogs
#1
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
#2
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 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28093540/human-granulocytic-anaplasmosis-as-a-cause-of-febrile-illness-in-korea-since-at-least-2006
#3
Jongyoun Yi, Kye-Hyung Kim, Mee Kyung Ko, Eun Yup Lee, Su Jin Choi, Myoung-Don Oh
Human granulocytic anaplasmosis (HGA) is a tick-borne rickettsial zoonosis with fever, thrombocytopenia, and leukopenia. HGA has been reported in Korea in 2013 but it is uncertain how long it has existed. A retrospective study was conducted on patients who underwent bone marrow examination due to fever and cytopenia, with no clear hematologic or microbiologic causes, from 2003 through 2012. Laboratory diagnosis was made by detecting 16S rRNA genes of Anaplasma phagocytophilum from the stored blood samples. Among the 70 patients, five (7...
January 16, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28093109/neonatal-anaplasma-platys-infection-in-puppies-further-evidence-for-possible-vertical-transmission
#4
I A Matei, S Stuen, D Modrý, A Degan, G D'Amico, A D Mihalca
Anaplasma platys, the aetiological agent of infectious canine cyclic thrombocytopaenia, infects platelets of dogs, usually causing mild or asymptomatic disease. Although A. platys is transmitted by ticks, as for other Anaplasma species, alternative modes of transmission may be involved. The aim of the present study was to evaluate the occurrence of A. platys infection in litters of puppies, which could suggest possible vertical transmission. Twelve litters, together with the respective bitches, were included in the study for the detection of A...
January 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28089651/canine-tick-borne-pathogens-in-cyprus-and-a-unique-canine-case-of-multiple-co-infections
#5
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/28072914/presence-of-pathogenic-rickettsiae-and-protozoan-in-samples-of-raw-milk-from-cows-goats-and-sheep
#6
Ewa Cisak, Violetta Zając, Jacek Sroka, Anna Sawczyn, Anna Kloc, Jacek Dutkiewicz, Angelina Wójcik-Fatla
OBJECTIVE: The aim of the present work was to determine the presence of various rickettsiae and protozoan in raw milk and the assessment the potential, milk-borne route in the spread of selected zoonotic pathogens. MATERIALS: A total of 119 raw milk samples collected randomly from 63 cows, 29 goats, and 27 sheep bred on 34 farms situated on eight communities in eastern Poland were examined by polymerase chain reaction (PCR) method for the presence of pathogenic rickettsiae (Coxiella burnetii, Anaplasma phagocytophilum, and Rickettsia spp...
January 10, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28063832/the-risk-of-exposure-to-rickettsial-infections-and-human-granulocytic-anaplasmosis-associated-with-ixodes-ricinus-tick-bites-in-humans-in-romania-a-multiannual-study
#7
Ioana Adriana Matei, Zsuzsa Kalmár, Mihaela Lupşe, Gianluca D'Amico, Angela Monica Ionică, Mirabela Oana Dumitrache, Călin Mircea Gherman, Andrei Daniel Mihalca
Anaplasma phagocytophilum and spotted fever group Rickettsia are obligate intracellular Gram-negative tick-borne bacteria, among which several may cause clinical infections in humans. Several Rickettsia spp. and A. phagocytophilum are transmitted in Europe by Ixodes ricinus, the most common tick species feeding on humans in this area. The aim of this study was to evaluate the annual prevalence of Rickettsia spp. and A. phagocytophilum in I. ricinus collected from humans during three consecutive years. The mean prevalences of the infection with the investigated pathogens in I...
December 29, 2016: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28055579/guidelines-for-the-direct-detection-of-anaplasma-spp-in-diagnosis-and-epidemiological-studies
#8
Cornelia Silaghi, Ana Sofia Santos, Jacinto Gomes, Iva Christova, Ioana Adriana Matei, Gernot Walder, Ana Domingos, Lesley Bell-Sakyi, Hein Sprong, Friederike D von Loewenich, José A Oteo, José de la Fuente, J Stephen Dumler
The genus Anaplasma (Rickettsiales: Anaplasmataceae) comprises obligate intracellular Gram-negative bacteria that are mainly transmitted by ticks, and currently includes six species: Anaplasma bovis, Anaplasma centrale, Anaplasma marginale, Anaplasma phagocytophilum, Anaplasma platys, and Anaplasma ovis. These have long been known as etiological agents of veterinary diseases that affect domestic and wild animals worldwide. A zoonotic role has been recognized for A. phagocytophilum, but other species can also be pathogenic for humans...
January 2017: Vector Borne and Zoonotic Diseases
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
#9
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...
January 5, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28048951/prevalence-of-severe-febrile-and-thrombocytopenic-syndrome-virus-anaplasma-spp-and-babesia-microti-in-hard-ticks-acari-ixodidae-from-jiaodong-peninsula-shandong-province
#10
Huaqiang Zhang, Yi Sun, Hongrong Jiang, Xinbei Huo
The presence of tick-borne pathogens and their possible coinfections were evaluated among host-seeking ticks in seven cities from Jiaodong peninsula, Shandong Province, with specific PCR or reverse transcription-PCR tests. Among 2107 ticks collected, four species of three genera were identified with Haemaphysalis longicornis as predominant species, and total of 63 H. longicornis and 10 Rhicephalus microplus were confirmed infected with tick-borne pathogens. These pathogens were consequently identified as severe febrile and thrombocytopenic syndrome virus (SFTSV), Anaplasma capra, Anaplasma phygocytophilum, and Babesia microti, respectively, with high phylogenetic scores on some fragments of species-specific genes...
January 3, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28044365/clinical-implications-and-hospital-outcome-of-immune-mediated-myositis-in-horses
#11
L Hunyadi, E A Sundman, P H Kass, D C Williams, M Aleman
BACKGROUND: Immune-mediated myositis (IMM) is a cause of rhabdomyolysis, stiffness, and muscle atrophy predominantly affecting Quarter horses. Limited information is available with regard to outcome, prognostic indicators, and associations with concurrent diseases. HYPOTHESIS/OBJECTIVES: To report outcomes and associations between outcome and clinical and laboratory parameters, and presence of concurrent illness. ANIMALS: Sixty-eight horses; 52 Quarter horses and related breeds and 16 other breeds...
January 2, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28035113/serological-surveillance-of-vector-borne-and-zoonotic-diseases-among-hunters-in-eastern-poland
#12
Małgorzata Tokarska-Rodak, Dorota Plewik, Aleksander J Michalski, Marcin Kołodziej, Alicja Mełgieś, Anna Pańczuk, Henryk Konon, Marcin Niemcewicz
BACKGROUND & OBJECTIVES: Many etiological agents of zoonoses are considered as significant biological hazard to people visiting forested areas frequently, for instance, hunters. They may be exposed to ticks, rodents, and birds as well as excreta/secretions of wild animals or contaminated water and soil. Hence, this population is at risk of contracting infection with pathogens such as Borrelia burgdorferi sensu lato (s.l.), Anaplasma phagocytophilum, Babesia spp., tick-borne encephalitis virus, Bartonella spp...
October 2016: Journal of Vector Borne Diseases
https://www.readbyqxmd.com/read/28035112/the-incidence-of-borrelia-burgdorferi-anaplasma-phagocytophilum-and-babesia-microti-coinfections-among-foresters-and-farmers-in-eastern-poland
#13
Anna Pañczuk, Małgorzata Tokarska-Rodak, Maria Kozioł-Montewka, Dorota Plewik
BACKGROUND & OBJECTIVES: Lyme borreliosis is the most common tick-borne disease in Europe and the USA. However, a great variety of pathogens are transmitted by ticks, which results in mixed infections, with Lyme borreliosis. The aim of the present study was to show the incidence of Borrelia burgdorferi, Anaplasma phagocytophilum, and Babesia microti coinfections among the population of foresters and farmers, as these people, due to their profession, are particularly exposed to tick contact...
October 2016: Journal of Vector Borne Diseases
https://www.readbyqxmd.com/read/28031351/evaluation-of-gulf-coast-ticks-acari-ixodidae-for-ehrlichia-and-anaplasma-species
#14
Michelle E J Allerdice, Joy A Hecht, Sandor E Karpathy, Christopher D Paddock
Amblyomma maculatum Koch (the Gulf Coast tick) is an aggressive, human-biting ixodid tick distributed throughout much of the southeastern United States and is the primary vector for Rickettsia parkeri, an emerging human pathogen. Amblyomma maculatum has diverse host preferences that include white-tailed deer, a known reservoir for Ehrlichia and Anaplasma species, including the human pathogens E. ewingii and E. chaffeensis To examine more closely the potential role of A. maculatum in the maintenance of various pathogenic Ehrlichia and Anaplasma species, we screened DNA samples from 493 questing adult A...
December 28, 2016: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28028631/molecular-detection-and-genetic-diversity-of-bovine-babesia-spp-theileria-orientalis-and-anaplasma-marginale-in-beef-cattle-in-thailand
#15
Charoonluk Jirapattharasate, Paul Franck Adjou Moumouni, Shinuo Cao, Aiko Iguchi, Mingming Liu, Guanbo Wang, Mo Zhou, Patrick Vudriko, Artemis Efstratiou, Tanasak Changbunjong, Sivapong Sungpradit, Parntep Ratanakorn, Walasinee Moonarmart, Poonyapat Sedwisai, Thekhawet Weluwanarak, Witsanu Wongsawang, Hiroshi Suzuki, Xuenan Xuan
Babesia spp., Theileria orientalis, and Anaplasma marginale are significant tick-borne pathogens that affect the health and productivity of cattle in tropical and subtropical areas. In this study, we used PCR to detect the presence of Babesia bovis, Babesia bigemina, and T. orientalis in 279 beef cattle from Western Thailand and A. marginale in 608 beef cattle from the north, northeastern, and western regions. The PCRs were performed using species-specific primers based on the B. bovis spherical body protein 2 (BboSBP2), B...
December 27, 2016: Parasitology Research
https://www.readbyqxmd.com/read/28028138/prevalence-and-diversity-of-tick-borne-pathogens-in-nymphal-ixodes-scapularis-acari-ixodidae-in-eastern-national-parks
#16
Tammi L Johnson, Christine B Graham, Karen A Boegler, Cara C Cherry, Sarah E Maes, Mark A Pilgard, Andrias Hojgaard, Danielle E Buttke, Rebecca J Eisen
Tick-borne pathogens transmitted by Ixodes scapularis Say (Acari: Ixodidae), also known as the deer tick or blacklegged tick, are increasing in incidence and geographic distribution in the United States. We examined the risk of tick-borne disease exposure in 9 national parks across six Northeastern and Mid-Atlantic States and the District of Columbia in 2014 and 2015. To assess the recreational risk to park visitors, we sampled for ticks along frequently used trails and calculated the density of I. scapularis nymphs (DON) and the density of infected nymphs (DIN)...
December 27, 2016: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28011722/evaluation-of-doxycycline-laden-oral-bait-and-topical-fipronil-delivered-in-a-single-bait-box-to-control-ixodes-scapularis-acari-ixodidae-and-reduce-borrelia-burgdorferi-and-anaplasma-phagocytophilum-infection-in-small-mammal-reservoirs-and-host-seeking-ticks
#17
Marc C Dolan, Terry L Schulze, Robert A Jordan, Christopher J Schulze, Amy J Ullmann, Andrias Hojgaard, Martin A Williams, Joseph Piesman
A field trial was conducted on residential properties in a Lyme disease endemic area of New Jersey to determine the efficacy of Maxforce Tick Management System (TMS) bait boxes modified with doxycycline hyclate-laden bait to reduce the acarological risk of Lyme disease and the utility of galvanized steel shrouds to protect the bait boxes from squirrel depredation and ability to routinely service these devices. The strategy began with a 9-wk deployment against larvae followed by a 17-wk deployment against nymphs and larvae the second year...
December 22, 2016: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28011185/novel-rickettsia-and-emergent-tick-borne-pathogens-a-molecular-survey-of-ticks-and-tick-borne-pathogens-in-shimba-hills-national-reserve-kenya
#18
Micky M Mwamuye, Edward Kariuki, David Omondi, James Kabii, David Odongo, Daniel Masiga, Jandouwe Villinger
Ticks are important vectors of emerging and re-emerging zoonoses, the majority of which originate from wildlife. In recent times, this has become a global public health concern that necessitates surveillance of both known and unknown tick-borne pathogens likely to be future disease threats, as well as their tick vectors. We carried out a survey of the diversity of ticks and tick-borne pathogens in Kenya's Shimba Hills National Reserve (SHNR), an area with intensified human-livestock-wildlife interactions, where we collected 4297 questing ticks (209 adult ticks, 586 nymphs and 3502 larvae)...
September 5, 2016: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/27993973/anaplasma-marginale-outer-membrane-protein-a-is-an-adhesin-that-recognizes-sialylated-and-fucosylated-glycans-and-functionally-depends-on-an-essential-binding-domain
#19
Kathryn S Hebert, David Seidman, Aminat T Oki, Jerilyn Izac, Sarvani Emani, Lee D Oliver, Daniel P Miller, Brittney K Tegels, Reiji Kannagi, Richard T Marconi, Jason A Carlyon
Anaplasma marginale causes bovine anaplasmosis, a debilitating and potentially fatal tick-borne infection of cattle. Because A. marginale is an obligate intracellular organism, its adhesins that mediate entry into host cells are essential for survival. Here, we demonstrate that A. marginale outer membrane protein A (AmOmpA; AM854) contributes to the invasion of mammalian and tick host cells. AmOmpA exhibits predicted structural homology to OmpA of A. phagocytophilum (ApOmpA), an adhesin that uses key lysine and glycine residues to interact with α2,3-sialylated and α1,3-fucosylated glycan receptors, including 6-sulfo-sialyl Lewis x...
December 19, 2016: Infection and Immunity
https://www.readbyqxmd.com/read/27992293/molecular-characterization-of-anaplasma-sp-in-free-living-gray-brockets-mazama-gouazoubira
#20
Anna Claudia Baumel Mongruel, Jyan Lucas Benevenute, Marcos Rogério André, Adriano de Oliveira Torres Carrasco, Rosangela Zacarias Machado, Meire Christina Seki
Bacteria in the genus Anaplasma are responsible for diseases in animals and humans. Studies carried out in Brazil have demonstrated that Brazilian deer are able to act as hosts of agents in the family Anaplasmataceae and are possibly potential reservoirs of these pathogens. Molecular and phylogenetic studies have been carried out on samples of two gray brocket specimens (Mazama gouazoubira) from the city of Guarapuava, state of Paraná, Brazil, for the detection of Anaplasma sp. in these animals. Partial nucleotide sequences of the genes 16S rRNA and groESL were used for phylogenetic analyses and compared with other 13 and 17 partial sequences of the respective genes obtained in GenBank...
December 19, 2016: Vector Borne and Zoonotic Diseases
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