Browsing Microbiología by Author "d575ae51-d6cc-4f20-b0a5-4915f6cdf1f0"
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Brucella canis Is an Intracellular Pathogen That Induces a Lower Proinflammatory Response than Smooth Zoonotic Counterparts
Chacón Díaz, Carlos; Altamirano Silva, Pamela; González Espinoza, Gabriela; Medina, María Concepción; Alfaro Alarcón, Alejandro; Bouza Mora, Laura; Jiménez Rojas, César; Wong Araya, Melissa; Barquero Calvo, Elías; Rojas Campos, Norman; Guzmán Verri, Caterina; Moreno Robles, Edgardo; Chaves Olarte, Esteban (2015-11-10)Canine brucellosis caused by Brucella canis is a disease of dogs and a zoonotic risk. B. canis harbors most of the virulence determinants defined for the genus, but its pathogenic strategy remains unclear since it has not ... -
Brucella neotomae Infection in Humans, Costa Rica
Suárez Esquivel, Marcela; Ruiz Villalobos, Nazareth; Jiménez Rojas, César; Barquero Calvo, Elías; Chacón Díaz, Carlos; Víquez Ruiz, Eunice; Rojas Campos, Norman; Baker, Kate S.; Oviedo Sánchez, Gerardo; Amuy, Ernesto; Chaves Olarte, Esteban; Thomson, Nicholas R.; Moreno Robles, Edgardo; Guzmán Verri, Caterina (2017-06)Several species of Brucella are known to be zoonotic, but B. neotomae infection has been thought to be limited to wood rats. In 2008 and 2011, however, B. neotomae was isolated from cerebrospinal fluid of 2 men with ... -
Brucellosis caused by the wood rat pathogen Brucella neotomae: two case reports
Villalobos Vindas, Juan M.; Amuy, Ernesto; Barquero Calvo, Elías; Rojas Campos, Norman; Chacón Díaz, Carlos; Chaves Olarte, Esteban; Guzmán Verri, Caterina; Moreno Robles, Edgardo (2017-12-19)Background: Brucellosis is a chronic bacterial disease caused by members of the genus Brucella. Among the classical species stands Brucella neotomae, until now, a pathogen limited to wood rats. However, we have identified two ... -
Diversity of Aerobic Bacteria Isolated from Oral and Cloacal Cavities from Free-Living Snakes Species in Costa Rica Rainforest
Artavia León, Allan; Romero Guerrero, Ariel Gerardo; Sancho Blanco, Carolina; Rojas Campos, Norman; Umaña Castro, Rodolfo (2017-08-20)Costa Rica has a significant number of snakebites per year and bacterial infections are often complications in these animal bites. Hereby, this study aims to identify, characterize, and report the diversity of the bacterial ... -
Epidemiology of bovine brucellosis in Costa Rica: Lessons learned from failures in the control of the disease
Hernández Mora, Gabriela; Ruiz Villalobos, Nazareth; Bonilla Montoya, Roberto; Romero Zúñiga, Juan José; Jiménez Arias, Julio; González Barrientos, Rocío; Barquero Calvo, Elías; Chacón Díaz, Carlos; Rojas Campos, Norman; Chaves Olarte, Esteban; Guzmán Verri, Caterina; Moreno Robles, Edgardo (2017-08)Brucellosis, caused by Brucella abortus is a major disease of cattle and a zoonosis. In order to estimate the bovine brucellosis prevalence in Costa Rica (CR), a total 765 herds (13078 bovines) from six regions of CR were ... -
Evaluación de los métodos analíticos para el monitoreo terapéutico de antibióticos betalactámicos descritos en la literatura para la elaboración de guías clínicas y su implementación en el sistema hospitalario costarricense
Vásquez Mendoza, Ana Fernanda (2021)Recomendaciones internacionales promueven la monitorización terapéutica de antibióticos betalactámicos. Estas recomendaciones se fundamentan en los efectos adversos de las dosis subterapéuticas o tóxicas. Sin embargo, no ... -
High Prevalence of Multidrug-Resistant Community-Acquired Methicillin-Resistant Staphylococcus aureus at the Largest Veterinary Teaching Hospital in Costa Rica
Rojas Núñez, Irene; Barquero Calvo, Elías; van Balen, Joany C.; Rojas Campos, Norman; Muñoz Vargas, Lohendy; Hoet, Armando E. (2017-08-17)Methicillin-resistant Staphylococcus aureus (MRSA) is a pathogen associated with severe infections in companion animals present in the community, and it is diagnosed in animals admitted to veterinary hospitals. However, ... -
Modulation of the Susceptibility of Human Erythrocytes to Snake Venom Myotoxic Phospholipases A2: Role of Negatively Charged Phospholipids as Potential Membrane Binding Sites
Díaz Oreiro, Cecilia; León Montero, Guillermo; Rucavado Romero, Alexandra; Rojas Campos, Norman; Schroit, Alan J.; Gutiérrez, José María (2001-07-01)Cerrophidion (Bothrops) godmani myotoxins I (CGMT-I) and II (CGMT-II), Asp-49 and Lys-49 phospholipases A(2) (PLA2s), which drastically differ in enzymatic activity, were devoid of direct hemolytic effects on erythrocytes ... -
Molecular Detection of Bartonella Species in Fleas Collected from Dogs and Cats from Costa Rica
Rojas Campos, Norman; Troyo Rodríguez, Adriana; Castillo, Daniela; Gutiérrez, Ricardo; Harrus, Shimon (2015-09)The bacterial genus Bartonella includes several species with zoonotic potential, some of which are common in domestic dogs and cats, as well as in their fleas. Because there is no previous information about the presence ...