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Jinho Park, Du-Gyeong Han, Ji-Hyoung Ryu, Jeong-Byoung Chae, Joon-Seok Chae, Do-Hyeon Yu, Bae-Keun Park, Hyeon-Cheol Kim, Kyoung-Seong Choi
Anaplasmosis is a tick-borne infectious disease that affects both human and animal health. This study was performed to characterize and investigate the prevalence of infection with Anaplasma bovis in Holstein cattle originating from two regions in the Republic of Korea (ROK). Blood samples (n = 151; 80 from Namwon and 71 from Jeju Island) were analyzed by polymerase chain reaction, and the prevalence of A. bovis infection was compared before and after grazing. In Namwon, A. bovis infection was not detected, while in the Jeju Island, A...
March 12, 2018: Acta Veterinaria Scandinavica
Valentina Caputo, Fiorella Santi, Antonio Cascio, Marcello Trizzino, Claudia Colomba
Trombiculiasis is a common but underreported ectoparasitosis characterized by an infestation of the skin by the larval stage of various species of mites belonging to the phylum Arthropoda, class Arachnida, subclass Acarina. Clinical manifestations consist of pruritic erythematous and urticarial macules and papules located on covered thin and glabrous skin. In recent studies Neotrombicula autumnalis larvae have been described as the possible vectors of pathogens such as Borrelia burgdorferi and Anaplasma phagocytophilum...
March 1, 2018: Le Infezioni in Medicina
Sori Teshale, Dirk Geysen, Gobena Ameni, Pierre Dorny, Dirk Berkvens
BACKGROUND: As evidence of the infection of domestic animals by Anaplasma phagocytophilum and Anaplasma sp. 'Omatjenne' is presently becoming available, understanding the epidemiological and ecological significance of infection is important to quantify the clinical and socio-economic impact of the diseases they cause. METHODS: The first aim of this study was to analyse the occurrence of A. phagocytophilum and Anaplasma sp. 'Omatjenne' in cattle samples collected from selected African countries using a polymerase chain reaction and restriction enzyme fragment length polymorphism...
March 9, 2018: Parasites & Vectors
Anne-Claire Lagrée, Clotilde Rouxel, Maëllys Kevin, Thibaud Dugat, Guillaume Girault, Benoît Durand, Martin Pfeffer, Cornelia Silaghi, Marion Nieder, Henri-Jean Boulouis, Nadia Haddad
BACKGROUND: Anaplasma phagocytophilum is a zoonotic tick-borne intracellular alpha-proteobacterium causing tick-borne fever, which leads to significant economic losses in domestic ruminants in Europe. Its epidemiological cycles are complex and reservoir host species of bovine strains have not yet been identified. Given that little genetic information is available on strains circulating within a defined bovine environment, our objective was to assess the genetic diversity of A. phagocytophilum obtained from the same farms over time...
March 9, 2018: Parasites & Vectors
Juntra Wattanamethanont, Morakot Kaewthamasorn, Sonthaya Tiawsirisup
Ixodid ticks are important vectors of tick-borne disease agents affecting humans and animals, with wildlife often serving as important reservoirs. This study examined protozoal and bacterial infection in questing ticks in forest habitats in Chonburi Province, Thailand in 2015, using PCR and DNA sequencing techniques. A total of 12,184 ticks were morphologically identified to species and a subset of ticks were confirmed by PCR, targeting the tick mitochondrial 16S rRNA gene. Tick species collected included Haemaphysalis lagrangei (92...
March 5, 2018: Ticks and Tick-borne Diseases
Ιlias Chaligiannis, Isabel G Fernández de Mera, Anna Papa, Smaragda Sotiraki, José de la Fuente
Ticks are vectors for a variety of human and animal pathogens (bacteria, protozoa and viruses). In order to investigate the pathogens carried by ticks in Greece, a total of 179 adult ticks (114 female and 65 male) were collected from domestic animals (sheep, goats and dogs) from 14 prefectures of six regions of Greece. Among them, 40 were Dermacentor marginatus, 25 Haemaphysalis parva, 22 H. sulcata, one H. punctata, 13 Ixodes gibbosus, 77 Rhipicephalus sanguineus s.l. and one R. bursa. All ticks were tested for the presence of DNA of Anaplasma spp...
March 7, 2018: Experimental & Applied Acarology
Klaudia Sowula, Jacek Składzień, Joanna Szaleniec, Jolanta Gawlik
infections are borreliosis (Lyme disease) and tick-borne encephalitis (TBE). Lately there is growing incidence of Bartonella, Babesia, Anaplasma and Brucella co-infections. The similarity between the symptoms of tick-borne diseases and other pathologies causes serious diagnostic issues. MATERIAL AND METHODS: 216 patients aged 18-55, who presented to the outpatient clinic for tick-borne diseases in the years 2014-2016, were enrolled in the study. The patients had been diagnosed with Lyme disease and co-infections...
February 28, 2018: Otolaryngologia Polska
Paidashe Hove, Zamantungwa T H Khumalo, Mamohale E Chaisi, Marinda C Oosthuizen, Kelly A Brayton, Nicola E Collins
Bovine anaplasmosis is endemic in South Africa and it has a negative economic impact on cattle farming. An improved understanding of Anaplasma marginale and Anaplasma marginale variety centrale (A. centrale) transmission, together with improved tools for pathogen detection and characterisation, are required to inform best management practices. Direct detection methods currently in use for A. marginale and A. centrale in South Africa are light microscopic examination of tissue and organ smears, conventional, nested, and quantitative real-time polymerase chain reaction (qPCR) assays, and a reverse line blot hybridisation assay...
March 3, 2018: Veterinary Sciences
Scott R Larson, Xia Lee, Susan M Paskewitz
Two species of mice, the white-footed mouse, Peromyscus leucopus (Rafinesque; Rodentia: Cricetidae) and the woodland deer mouse, Peromyscus maniculatus (Wagner; Rodentia: Cricetidae), serve as reservoirs of tick-borne pathogens in many parts of North America. However, the role P. maniculatus plays in the amplification and maintenance of Anaplasma phagocytophilum (Rickettsiales: Ehrlichiaceae) and Borrelia burgdorferi (Spirochaetales: Spirochaetaceae) is not well understood. In northern Wisconsin, from 2012 to 2014, 560 unique mice were captured at 83 sites distributed across five forests...
February 28, 2018: Journal of Medical Entomology
Rafiullah Khan, Asad Ali
We report a rare case of a 53-year-old man with no significant past medical history who reported multiple tick bites within a 2-month period. The patient reported not "feeling well" for the 2 ½ weeks. He complained of generalized body aches, pains, and chills. He did not report nausea, vomiting, or yellowish discoloration of the eyes or skin. He presented to the emergency room with syncope preceded by severe abdominal pain. Upon presentation, he was pale and hypotensive. He had not experienced any trauma...
February 22, 2018: Ticks and Tick-borne Diseases
Snorre Stuen, Wenche Okstad, Anne Mette Sagen
Anaplasma phagocytophilum, which causes the disease tick-borne fever (TBF), is the most important tick-borne pathogen in European animals. TBF may contribute to severe welfare challenges and economic losses in the Norwegian sheep industry. The bacterium causes a persistent infection in sheep and several other animal species. The objective of this study was to investigate whether intrauterine transmission occurs in persistently infected sheep. The study included thirteen 5-6-month-old unmated ewes, of which twelve were experimentally infected with A...
February 28, 2018: Veterinary Sciences
Sándor Hornok, Krisztina Szőke, Péter Estók, Aleksandra Krawczyk, Anne-Jifke Haarsma, Dávid Kováts, Sándor A Boldogh, Pál Morandini, Sándor Szekeres, Nóra Takács, Jenő Kontschán, Marina L Meli, Isabel G Fernández de Mera, José de la Fuente, Miklós Gyuranecz, Kinga M Sulyok, Beatrice Weibel, Enikő Gönczi, Arnout de Bruin, Hein Sprong, Regina Hofmann-Lehmann
In Europe, several species of bats, owls and kestrels exemplify highly urbanised, flying vertebrates, which may get close to humans or domestic animals. Bat droppings and bird pellets may have epidemiological, as well as diagnostic significance from the point of view of pathogens. In this work 221 bat faecal and 118 bird pellet samples were screened for a broad range of vector-borne bacteria using PCR-based methods. Rickettsia DNA was detected in 13 bat faecal DNA extracts, including the sequence of a rickettsial insect endosymbiont, a novel Rickettsia genotype and Rickettsia helvetica...
February 28, 2018: Antonie Van Leeuwenhoek
Weiqing Zheng, Yangqing Liu, Huiying Tao, Zifen Li, Xuenan Xuan, Xiaoqing Liu, Paul Franck Adjou Moumouni, Yayun Wu, Wenqing Liu, Haiying Chen
In this study, systematic surveillance of rodent population in Nanchang of China and determination of Anaplasma phagocytophilum infection in rodents were performed. Between 2011 and 2015, 110,084 rodent snap traps were set in 4 Counties and the city center of Nanchang, China. Finally, 942 rodents were captured with the relative densities of 0.86%. The densities varied considerably by geographical difference and Anyi was the most rodent-infested County. Frequently captured rodents were sewer rats (Rattus norvegicus), house mice (Mus musculus) and Rattus flavipectus...
February 28, 2018: Japanese Journal of Infectious Diseases
Gaowa, Wulantuya, Xuhong Yin, Minzhi Cao, Shengchun Guo, Chunlian Ding, Lu Yuhua, Luo Jianchang, Hiroki Kawabata, Shuji Ando, Hongru Su, Masahiko Shimada, Naoya Takamoto, Yuko Shimamura, Shuichi Masuda, Norio Ohashi
Anaplasma phagocytophilum is an obligate intracellular bacterium and causes febrile illness in humans and livestock. A 49-year-old woman was suffering from feverish symptom, fatigue, arthralgia, general body pain, and anorexia for 2 weeks. Later, she visited Bayan Nur Centers for Disease Control and Prevention Hospital in Inner Mongolia, China. Molecular-based diagnostic analysis of the patient's blood revealed that A. phagocytophilum p44 DNA was positive, but Brucella omp31, spotted fever group Rickettsia gltA, Orientia tsutsugamushi 16S rDNA, and Ehrlichia p28 were negative...
February 28, 2018: Japanese Journal of Infectious Diseases
Muhammad Rashid, Akbar Haroon, Muhmmad Imran Rashid, Saeed Khalid, Ahmad Liaquat, Abdullah Saghir, Shehzad Wasim, Islam Saher, Farooqi Shahid
The dairy industry in Pakistan is booming and investors are anxious to fund dairy farms that are using high milk producing (exotic) cattle breeds such as Holsteins that are not native to the country. Unfortunately, the benefits of increased milk production do not provide resistance to pathogens present in regions where the exotic breeds are introduced. Therefore, the current study was conducted to evaluate the economic impact of Theileria annulata on a commercial Holstein dairy farm in the District of Ranjanpur, in the Province of Punjab, Pakistan...
February 27, 2018: Journal of Parasitology
Stephen Tembo, Nicola E Collins, Kgomotso P Sibeko-Matjila, Milana Troskie, Ilse Vorster, Charles Byaruhanga, Marinda C Oosthuizen
Little is known about the occurrence of haemoparasites in cattle in communal grazing areas of Mungwi District of Northern Province, Zambia. Clinical signs and post mortem lesions are pathognomonic of mixed tick-borne infections especially babesiosis, anaplasmosis and East Coast fever. The main objective of this study was to screen selected communal herds of cattle for tick-borne haemoparasites, and identify the tick vectors associated with the high cattle mortalities due to suspected tick-borne diseases in the local breeds of cattle grazing along the banks of the Chambeshi River in Mungwi District, Northern Province, Zambia...
February 16, 2018: Ticks and Tick-borne Diseases
Rochelle Haidee D Ybañez, Adrian P Ybañez, Lyra Lee A Arnado, Laila Monika P Belarmino, Knowlie Gay F Malingin, Paul Bien C Cabilete, Ziggy Ryan O Amores, Maxfrancis G Talle, Mingming Liu, Xuenan Xuan
Background: Ehrlichia , Anaplasma , and Babesia spp. are canine pathogens transmitted by the Rhipicephalus sanguineus tick which can cause varied clinical signs. These pathogens have been investigated in the Philippines, but coinfection has not been reported yet. Aim: The aim of this study was to evaluate the presence of Ehrlichia/Anaplasma and Babesia spp. in Philippine dogs. Materials and Methods: A total of 100 dogs from seven different veterinary establishments in Cebu, Philippines, were examined for Ehrlichia/Anaplasma and Babesia spp...
January 2018: Veterinary World
Valentina Chisu, Cipriano Foxi, Roberto Mannu, Giuseppe Satta, Giovanna Masala
Sardinia is a hotspot for studying tick-borne diseases in the Mediterranean region, where cases of notifiable tick-borne diseases are increasing. The aim of this study was to determine the presence of tick-borne bacteria of medical and veterinary importance in ixodid ticks collected from domestic and wild animals, humans, and vegetation from different collection sites in Sardinia. Using standard PCR and sequencing techniques, the presence of Rickettsia, Anaplasma, Ehrlichia, and Bartonella species, as well as Coxiella burnetii was evaluated...
February 17, 2018: Ticks and Tick-borne Diseases
Mona L Camacci, Ronaldo Paolo Panganiban, Zachary Pattison, Kamyar Haghayeghi, Alexander Daly, Cindy Ojevwe, Ryan J Munyon
Human granulocytic anaplasmosis (HGA) is a tick-borne, infectious disease caused by Anaplasma phagocytophilum that generally presents with nonspecific symptoms such as fever, chills, headache, malaise, and myalgia. If not treated immediately, HGA can cause hemophagocytic lymphohistiocytosis (HLH), a well-documented but underrecognized sequela of severe HGA. In this article, we report a case of severe HGA with hyperferritinemia in a 74-year-old male from Central Pennsylvania who initially presented with recurrent fevers, nausea, and malaise to our emergency department and was subsequently discharged home that same day...
January 2018: Journal of Investigative Medicine High Impact Case Reports
Maria do Socorro Costa de Oliveira Braga, José Gomes Pereira, Simone de Jesus Fernandes, Ingrid Carolinne Lopes Marques, Renata Passos de Jesus, Gleycianny Santos Ferreira, Daniele Rosa Xavier, Jyan Lucas Benevenute, Rosangela Zacarias Machado, Marcos Rogério André
Recently, the importance of wild-living rodents for maintenance of pathogens of the family Anaplasmataceae in the environment was investigated. These mammals play a role as reservoirs for these pathogens and act as hosts for the immature stages of tick vectors. The aim of the present study was to investigate the prevalence of Ehrlichia sp. and Anaplasma sp. in 24 specimens of Azara's agouti (Dasyprocta azarae) that had been trapped in the Itapiracó Environmental Reserve, in São Luís, Maranhão, northeastern Brazil, using molecular methods...
February 19, 2018: Revista Brasileira de Parasitologia Veterinária, Brazilian Journal of Veterinary Parasitology
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