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Molecular detection and identification of Rickettsiales pathogens in dog ticks from Costa Rica
(Ticks and Tick-borne Diseases, 2016-10)
Although vector-borne diseases are globally widespread with considerable impact on animal production and on public health, few reports document their presence in Central America. This study focuses on the detection and ...
Serology, molecular detection and risk factors of Ehrlichia canis infection in dogs in Costa Rica
(Universidad Nacional, Costa Rica, 2016-07-10)
tA cross-sectional study combining different serological and molecular techniques for the detection ofEhrlichia species in dogs and their ticks was carried out with data from all regions of Costa Rica. A sero-prevalence ...
Brucella abortus induces the premature death of human neutrophils through the action of Its lipopolysaccharide
(PLoS Pathogens, 2015-05-06)
Most bacterial infections induce the activation of polymorphonuclear neutrophils (PMNs), enhance their microbicidal function, and promote the survival of these leukocytes for protracted periods of time. Brucella abortus ...
Canine trypanosomiasis in an endemic Costa Rican community: demonstration of the active infection cycle
(Universidad Nacional, Costa Rica, 2019-05-29)
A cross-sectional study was conducted to determine the prevalence of canine trypanosomiasis in an endemic community of Costa Rica. The indirect hemagglutination and indirect immunofluorescence assay yielded positive results ...
Seroprevalence of Toxoplasma gondii and Neospora caninum infections and associated factors in sheep from Costa Rica
(Universidad Nacional, Costa Rica, 2019-01-08)
The presence of antibodies against Toxoplasma gondii and Neospora caninum were analyzed in
392 sheep sera from ten Costa Rican ovine flocks using indirect immuno-enzymatic assays. Additionally,
general information about ...
Neutrophils dampen adaptive immunity in Brucellosis
(American Society For Microbiology, 2019-04-23)
Brucella organisms are intracellular stealth pathogens of animals and humans. The bacteria overcome the assault of innate immunity at early stages of an infection. Removal of polymorphonuclear neutrophils (PMNs) at the ...
Neutrophils as Trojan Horse vehicles for Brucella abortus macrophage infection
(Universidad Nacional, Costa Rica, 2019-05-07)
Brucella abortus is a stealthy intracellular bacterial pathogen of animals and humans. This bacterium promotes the premature cell death of neutrophils (PMN) and resists the killing action of these leukocytes. B. abortus-infected ...
Persistence of Brucella abortus in the bone marrow of infected mice
(Journal of Immunology Research, 2018-12-03)
Brucellosis is a zoonotic bacterial infection that may persist for long periods causing relapses in antibiotic-treated patients. The ability of Brucella to develop chronic infections is linked to their capacity to invade ...
Frecuency and species of Campylobacter spp. in broiler at three levels of the poultry production chain of Costa Rica
(International Journal of Current Research, 2019-02-28)
Campylobacter spp. is one of the main bacteria that cause food borne illness. Many of these cases are caused by C. jejuni and C. coli, which are transmitted mainly by poultry. A cross-sectional study, conducted between ...
Multidrug-resistant Clostridium Difficile Ribotypes 078 and 014/5-FLI01 in Piglets From Costa Rica
(Elsevier, 2018-11-08)
Though an overlap of Clostridium difficile PCR ribotypes (RT) in humans and animals has been noted -particularly in piglets-information regarding C. difficile isolates from swine is scarce in Latin America. A characterization ...