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https://www.readbyqxmd.com/read/28423085/molecular-survey-of-anaplasma-platys-and-ehrlichia-canis-in-dogs-from-campo-grande-mato-grosso-do-sul-brazil
#1
Rodrigo Soares, Carlos Alberto Ramos, Thatianna Pedroso, Verônica Babo-Terra, Herbert Cleveland, Flábio DE Araújo
This study investigated the frequency of infection by Anaplasma platys and Ehrlichia canis in dogs submitted to animal health centers in Campo Grande, state of Mato Grosso do Sul, Brazil. E. canis and A. platys showed infection frequencies of 55.75% and 16.96%, respectively. The identity of the two species was confirmed by DNA sequencing.
January 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28419136/occurrence-of-leishmania-infantum-in-the-central-nervous-system-of-naturally-infected-dogs-parasite-load-viability-co-infections-and-histological-alterations
#2
Valéria da Costa Oliveira, Viviane Cardoso Boechat, Artur Augusto Velho Mendes Junior, Maria de Fátima Madeira, Luiz Claudio Ferreira, Fabiano Borges Figueiredo, Monique Paiva Campos, Francisco das Chagas de Carvalho Rodrigues, Raquel de Vasconcellos Carvalhaes de Oliveira, Maria Regina Reis Amendoeira, Rodrigo Caldas Menezes
Zoonotic visceral leishmaniasis is caused by the protozoan Leishmania infantum and little is known about the occurrence and pathogenesis of this parasite in the CNS. The aims of this study were to evaluate the occurrence, viability and load of L. infantum in the CNS, and to identify the neurological histological alterations associated with this protozoan and its co-infections in naturally infected dogs. Forty-eight Leishmania-seropositive dogs from which L. infantum was isolated after necropsy were examined...
2017: PloS One
https://www.readbyqxmd.com/read/28417248/ticks-and-tick-borne-pathogens-of-dogs-along-an-elevational-and-land-use-gradient-in-chiriqu%C3%A3-province-panam%C3%A3
#3
A Michelle Ferrell, R Jory Brinkerhoff, Juan Bernal, Sergio E Bermúdez
Systematic acarological surveys are useful tools in assessing risk to tick-borne infections, especially in areas where consistent clinical surveillance for tick-borne disease is lacking. Our goal was to identify environmental predictors of tick burdens on dogs and tick-borne infectious agents in dog-derived ticks in the Chiriquí Province of western Panama to draw inferences about spatio-temporal variation in human risk to tick-borne diseases. We used a model-selection approach to test the relative importance of elevation, human population size, vegetative cover, and change in landuse on patterns of tick parasitism on dogs...
April 17, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28411028/extensive-diversity-of-rickettsiales-bacteria-in-ticks-from-wuhan-china
#4
Miao Lu, Jun-Hua Tian, Bin Yu, Wen-Ping Guo, Edward C Holmes, Yong-Zhen Zhang
Rickettsiales bacteria are important agents of (re)emerging infectious diseases, with ticks playing a key role in their evolution and transmission. We collected 1079 hard ticks belonging to five species (Ixodes sinensis, Rhipicephalus microplus, Haemaphysalis flava, Haemaphysalis hystricis and Haemaphysalis longicornis) from cattle and goats in Wuhan city, Hubei province, China. The dominant tick species was H. longicornis (578, 53.57%), followed by R. microplus (354, 32.81%), H. hystricis (62, 5.75%), H. flava (57, 5...
March 24, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28410950/detection-of-anaplasma-spp-and-ehrlichia-spp-anibodies-and-dirofilaria-immitis-antigens-in-dogs-from-seven-locations-of-morocco
#5
Sarah Elhamiani Khatat, Khalid Khallaayoune, Nabil Errafyk, Frans Van Gool, Luc Duchateau, Sylvie Daminet, Malika Kachani, Hamid El Amri, Rahma Azrib, Hamid Sahibi
In Morocco no data has been published on canine exposure to Anaplasma spp., Borrrelia burgdorferi, and Ehrlichia spp., and only one report is available on the occurrence of Dirofilaria immitis in dogs. Therefore, the aim of this study was to collect current data on the canine exposure to these vector-borne pathogens (VBPs) in Morocco. A total of 217 urban (n=57), rural (n=110) and military (n=50) dogs from seven Moroccan locations were screened for Anaplasma spp., B. burgdorferi and Ehrlichia spp. antibodies and for D...
April 4, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28385540/performance-of-leishmania-braziliensis-enolase-protein-for-the-serodiagnosis-of-canine-and-human-visceral-leishmaniosis
#6
Mariana Costa Duarte, Daniela Pagliara Lage, Vívian Tamietti Martins, Lourena Emanuele Costa, Beatriz Cristina Silveira Salles, Ana Maria Ravena Severino Carvalho, Thaís Teodoro de Oliveira Santos, Daniel Silva Dias, Patrícia Aparecida Fernandes Ribeiro, Miguel Angel Chávez-Fumagalli, Ricardo Andrez Machado-de-Ávila, Bruno Mendes Roatt, Daniel Menezes-Souza, Danielle Ferreira de Magalhães-Soares, Eduardo Antonio Ferraz Coelho
In the present study, Leishmania braziliensis enolase was cloned and the recombinant protein (rEnolase) was evaluated for the serodiagnosis of canine and human visceral leishmaniosis (VL). For the canine VL diagnosis, this study examined serum samples of Leishmania infantum-infected dogs, from non-infected animals living in endemic or non-endemic areas of leishmaniosis, as well as those from Leish-Tec(®)-vaccinated dogs and Trypanosoma cruzi or Ehrlichia canis experimentally infected animals. For the human VL diagnosis, this study analyzed serum samples from VL patients, from non-infected subjects living in endemic or non-endemic areas of leishmaniosis, as well as those from T...
March 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28382279/corrigendum-comparative-genomics-of-the-zoonotic-pathogen-ehrlichia-chaffeensis-reveals-candidate-type-iv-effectors-and-putative-host-cell-targets
#7
Christophe Noroy, Damien F Meyer
[This corrects the article on p. 204 in vol. 6, PMID: 28180111.].
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28344412/clinical-and-hematobiochemical-response-in-canine-monocytic-ehrlichiosis-seropositive-dogs-of-punjab
#8
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/28335825/canine-tick-borne-diseases-in-pet-dogs-from-romania
#9
Martin O Andersson, Conny Tolf, Paula Tamba, Mircea Stefanache, Jonas Waldenström, Gerhard Dobler, Lidia Chițimia-Dobler
BACKGROUND: Tick-borne diseases are of substantial concern worldwide for animals as well as humans. Dogs have been a human companion for millennia, and their significant impact on human life renders disease in dogs to be of great concern. Tick-borne diseases in dogs represent a substantial diagnostic challenge for veterinarians in that clinical signs are often diffuse and overlapping. In addition, co-infections with two or more pathogens enhance this problem further. Molecular methods are useful to disentangle co-infections and to accurately describe prevalence and geographical distribution of tick-borne diseases...
March 23, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28333306/protein-aggregation-in-ehrlichia-chaffeensis-during-infection-of-mammalian-cells
#10
Dorota Kuczynska-Wisnik, Chuanmin Cheng, Roman R Ganta, Michal Zolkiewski
Ehrlichia chaffeensis is an obligatory intracellular pathogen transmitted through infected ticks to humans and other vertebrates. We investigated the extent of protein aggregation in E. chaffeensis during infection of canine macrophage cell line, DH82. We discovered that the size of the aggregated fraction of E. chaffeensis proteins increased during the first 48 h post infection. We also incubated the infected cells with guanidinium chloride (GuHCl), a known inhibitor of the protein-disaggregating molecular chaperone ClpB...
March 1, 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28319627/what-s-eating-you-lone-star-tick-amblyomma-americanum
#11
H Harris Reynolds, Dirk M Elston
Amblyomma americanum, also known as the lone star tick, is found in much of the eastern United States. Since the mid-20th century, the lone star tick has been implicated in human disease. Today, A americanum remains an important vector for tick-borne illness. In addition to others, species of Rickettsia, Ehrlichia, and Borrelia are all transmitted by the lone star tick. Recently described conditions such as Southern tick-associated rash illness and anaphylaxis to red meat following tick bites have been attributed to the lone star tick...
February 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28298245/serological-and-molecular-prevalence-of-canine-vector-borne-diseases-cvbds-in-korea
#12
Guk-Hyun Suh, Kyu-Sung Ahn, Jong-Ho Ahn, Ha-Jung Kim, Christian Leutenegger, SungShik Shin
BACKGROUND: Previous surveys in dogs from Korea indicated that dogs are exposed to a variety of vector- borne pathogens, but perception for a nation-wide canine vector-borne disease (CVBD) occurrence has been missing. We report here results of both serological and molecular prevalence studies for major CVBDs of dogs from all over the South Korean Peninsula except for Jeju Island. RESULTS: Serological survey of 532 outdoor dogs revealed the highest prevalence for Dirofilaria immitis (25...
March 16, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28288773/serological-detection-of-antibodies-to-anaplasma-spp-borrelia-burgdorferi-sensu-lato-and-ehrlichia-canis-and-of-dirofilaria-immitis-antigen-in-dogs-from-costa-rica
#13
Víctor M Montenegro, Marta C Bonilla, Darwin Kaminsky, Juan José Romero-Zúñiga, Susanne Siebert, Friederike Krämer
In a study in Costa Rica 314 serum samples from dogs throughout all seven provinces were tested using a commercial kit for the detection of circulating antibodies against Anaplasma spp., Borrelia burgdorferi sensu lato and Ehrlichia canis, and of circulating antigen of Dirofilaria immitis. A total of 6.4% (20/314) and 38.2% (120/314) were positive for Anaplasma spp. (An) and E. canis (Ec) antibodies. Overall, 8.0% (25/314) were positive for D. immitis (Di) antigen. One single dog reacted positive with B. burgdorferi s...
March 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28285597/prevalence-study-and-risk-factor-analysis-of-selected-bacterial-protozoal-and-viral-including-vector-borne-pathogens-in-cats-from-cyprus
#14
Charalampos Attipa, Kostas Papasouliotis, Laia Solano-Gallego, Gad Baneth, Yaarit Nachum-Biala, Elpida Sarvani, Toby G Knowles, Sena Mengi, David Morris, Chris Helps, Séverine Tasker
BACKGROUND: Feline infectious agent studies are lacking in Cyprus. The aims of this study were to determine the prevalence and risk factors for various feline infectious agents, including feline vector-borne pathogens (FVBP), in cats from Cyprus. METHODS: A cross-sectional, descriptive, multicentre study was performed on 174 feline samples [138 owned and 36 shelter-feral, including both healthy (43) and non-healthy (131), cats] from private veterinary clinics from all six districts of Cyprus...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28285590/molecular-detection-of-hepatozoon-spp-and-cytauxzoon-sp-in-domestic-and-stray-cats-from-madrid-spain
#15
David Díaz-Regañón, Alejandra Villaescusa, Tania Ayllón, Fernando Rodríguez-Franco, Gad Baneth, Lydia Calleja-Bueno, Mercedes García-Sancho, Beatriz Agulla, Ángel Sainz
BACKGROUND: Different species of apicomplexan protozoans of the genera Hepatozoon and Cytauxzoon can infect domestic cats, but their epidemiology and clinical relevance are not fully understood. The aim of this study was to assess the molecular prevalence of Hepatozoon spp. and Cytauxzoon spp. and to identify associated risk factors and clinical and laboratory abnormalities in a population of cats from Madrid, Spain. METHODS: Six hundred and forty-four client-owned and stray cats from Madrid, Spain, were included in this study...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28285585/searching-for-lyme-borreliosis-in-australia-results-of-a-canine-sentinel-study
#16
Peter J Irwin, Ian D Robertson, Mark E Westman, Martine Perkins, Reinhard K Straubinger
BACKGROUND: Lyme borreliosis is a common tick-borne disease of the northern hemisphere that is caused by bacterial spirochaetes of the Borrelia burgdorferi (sensu lato) (Bbsl) complex. To date, there has been no convincing evidence for locally-acquired Lyme borreliosis on the Australian continent and there is currently a national debate concerning the nature and distributions of zoonotic tick-transmitted infectious disease in Australia. In studies conducted in Europe and the United States, dogs have been used as sentinels for tick-associated illness in people since they readily contact ticks that may harbour zoonotic pathogens...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28285583/molecular-detection-of-vector-borne-pathogens-in-blood-and-splenic-samples-from-dogs-with-splenic-disease
#17
Rebeca Movilla, Laura Altet, Lorena Serrano, María-Dolores Tabar, Xavier Roura
BACKGROUND: The spleen is a highly perfused organ involved in the immunological control and elimination of vector-borne pathogens (VBP), which could have a fundamental role in the pathogenesis of splenic disease. This study aimed to evaluate certain VBP in samples from dogs with splenic lesions. METHODS: Seventy-seven EDTA-blood and 64 splenic tissue samples were collected from 78 dogs with splenic disease in a Mediterranean area. Babesia spp., Bartonella spp., Ehrlichia/Anaplasma spp...
March 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28284610/association-of-ehrlichia-canis-hemotropic-mycoplasma-spp-and-anaplasma-platys-and-severe-anemia-in-dogs-in-thailand
#18
Gunn Kaewmongkol, Nicha Lukkana, Sarawut Yangtara, Sarawan Kaewmongkol, Naris Thengchaisri, Theerapol Sirinarumitr, Sathaporn Jittapalapong, Stanley G Fenwick
Canine tick-borne bacteria; Ehrlichia canis, hemotropic Mycoplasma spp. and Anaplasma spp., are organisms transmitted by Rhipicephalus sanguineus ticks. However, only a few clinical studies evaluating dogs infected with these organisms and anemia condition have been published. In this study, the potential tick-borne bacteria linked to anemia were investigated in eighty-one blood samples selected from anemic dogs using a broad range nested-PCR of the 16S rRNA gene. Positive results were shown in 12/81 blood specimens (14...
March 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28281774/parasites-of-domestic-and-wild-animals-in-south-africa-l-ixodid-ticks-infesting-horses-and-donkeys
#19
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/28274248/a-bayesian-spatio-temporal-model-for-forecasting-the-prevalence-of-antibodies-to-ehrlichia-species-in-domestic-dogs-within-the-contiguous-united-states
#20
Yan Liu, Robert B Lund, Shila K Nordone, Michael J Yabsley, Christopher S McMahan
BACKGROUND: Dogs in the United States are hosts to a diverse range of vector-borne pathogens, several of which are important zoonoses. This paper describes factors deemed to be significantly related to the prevalence of antibodies to Ehrlichia spp. in domestic dogs, including climatic conditions, geographical factors, and societal factors. These factors are used in concert with a spatio-temporal model to construct an annual seroprevalence forecast. The proposed method of forecasting and an assessment of its fidelity are described...
March 9, 2017: Parasites & Vectors
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