Listar Microbiología por autor "25d12fea-491e-4162-a864-8fd245a8b0db"
Mostrando ítems 1-13 de 13
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A Clostridium difficile Lineage Endemic to Costa Rican Hospitals Is Multidrug Resistant by Acquisition of Chromosomal Mutations and Novel Mobile Genetic Elements
Ramírez Vargas, Gabriel; Quesada Gómez, Carlos; Acuña Amador, Luis Alberto; López Ureña, Diana; Murillo Corrales, Tatiana; Gamboa Coronado, María del Mar; Chaves Olarte, Esteban; Thomson, Nicholas R.; Rodríguez Cavallini, Evelyn; Rodríguez Sánchez, César (2017-01)The antimicrobial resistance (AMR) rates and levels recorded for Clostridium difficile are on the rise. This study reports the nature, levels, diversity, and genomic context of the antimicrobial resistance of human C. ... -
Desarrollo y evaluación de un método de obtención de larvas estériles de Lucilia eximia para su uso en terapia larval
Retana Moreira, Lissette; Belfort Arguedas, Kattia; Calderón Arguedas, Ólger; Troyo Rodríguez, Adriana; Gamboa Coronado, María del Mar (2014-06-01)Objetivo: desarrollar un método de tratamiento de huevos de Lucilia eximia para la obtención de larvas estériles y evaluar la capacidad de supervivencia de dichas larvas en condiciones de refrigeración a 4°C. Métodos: se ... -
Diarrhea associated with rotaviruses, enterotoxigenic Escherichia coli, Campylobacter, and other agents in costa rican children, 1976-1981
Mata Jiménez, Leonardo; Mohs Villalta, Edgar; Simhon Edgar, Alberto; Padilla, Roberto; Lizano, Cecilia; Gamboa Coronado, María del Mar; Vargas, Guillermo; Hernández Chavarría, Francisco (The American Journal of Tropical Medicine and Hygiene, 32(1), 146-153, 1983)Rotaviruses, enterotoxigenic Escherichia coil, Salmonella, Shigella, and parasites were investigated in outpatient diarrheic children, and in hospitalized diarrheic and nondiarrheic children, between January 1976 and ... -
Emergence of an Outbreak-Associated Clostridium difficile Variant with Increased Virulence
Quesada Gómez, Carlos; López Ureña, Diana; Chaves Olarte, Esteban; Acuña Amador, Luis Alberto; Villalobos Zúñiga, Manuel Antonio; Du, Tim; Freire, Rosemayre; Guzmán Verri, Caterina; Gamboa Coronado, María del Mar; Lawley, Trevor D.; Moreno Robles, Edgardo; Mulvey, Michael R.; de Castro Brito, Gerly Anne; Rodríguez Cavallini, Evelyn; Rodríguez Sánchez, César (2015-04)The prevalence of Clostridium difficile infections has increased due to the emergence of epidemic variants from diverse genetic lineages. Here we describe the emergence of a novel variant during an outbreak in a Costa Rican ... -
Emergence of Clostridium difficile NAP1 in Latin America
Quesada Gómez, Carlos; Rodríguez Sánchez, César; Gamboa Coronado, María del Mar; Rodríguez Cavallini, Evelyn; Du, Tim; Mulvey, Michael R.; Villalobos Zúñiga, Manuel Antonio; Boza Cordero, Ricardo (2010-02)The NAP1 and NAP2 strains of Clostridium difficile have been linked to nosocomial outbreaks of antibiotic-associated diarrhea (AAD) and pseudomembranous colitis in North American and European countries (4, 5). We found ... -
Flora Bacteriana de la Cavidad Oral del Mono Tití (Saimiri Oerstedii) Y su Perfil de Sensibilidad a Antibióticos
Rodríguez Rodríguez, Carlos E.; Rodríguez Cavallini, Evelyn; Gamboa Coronado, María del Mar; Jiménez Cuadra, Silvia; Sánchez Porras, Ronald; Gutiérrez Espeleta, Gustavo A. (2007-12)Se estudió la flora bacteriana y su patrón de sensibilidad antimicrobiana en la cavidad oral de 33 monos Saimiri oerstedii: 31 silvestres y 2 en cautiverio. Con torunda estéril se rasparon los dientes y la cavidad bucal ... -
Grupo Bacteroides fragilis en heces humanas no diarreicas y su sensibilidad antimicrobiana
Rodríguez Cavallini, Evelyn; Gamboa Coronado, María del Mar; Rodríguez Rodríguez, Carlos E.; Vargas Dengo, Pablo Antonio (2006-12)Bacteroides es el género de bacterias anaerobias predominante en el colon humano, y sus diez especies son la causa de la mayoría de las infecciones anaerobias. Ya que casi todas las infecciones que causan son endógenas, ... -
Isolation of a Toxigenic and Clinical Genotype of Clostridium difficile in Retail Meats in Costa Rica
Quesada Gómez, Carlos; Mulvey, Michael R.; Vargas Dengo, Pablo Antonio; Gamboa Coronado, María del Mar; Rodríguez Sánchez, César; Rodríguez Cavallini, Evelyn (2013-02)We isolated a regional toxigenic genotype of Clostridium difficile, previously found in human infection in 4 of 200 (2%) samples of retail meats for human consumption: 1 of 67 samples of beef, 2 of 66 of pork, and 1 of 67 ... -
Molecular detection of Clostridium difficile on inert surfaces from a Costa Rican hospital during and after an outbreak
Morales, Luisa; Rodríguez Sánchez, César; Gamboa Coronado, María del Mar (2016-12-01)Background: Hospital transmission of Clostridium difficile is fostered by contamination of surfaces and medical equipment with spores highly resistant to disinfectants and regular cleaning procedures. Despite the outbreaks ... -
Phenotypic identification of over 1000 isolates of anaerobic bacteria recovered between 1999 and 2008 in a major Costa Rican hospital
Rodríguez Cavallini, Evelyn; Vargas Dengo, Pablo Antonio; Rodríguez Sánchez, César; Gamboa Coronado, María del Mar; Quesada Gómez, Carlos (2011-07)Because of limitations in infrastructure, the aetiology of infections caused by anaerobic bacteria is seldom determined in clinical laboratories of developing countries. This study reports on the identification of 1010 ... -
Predominance and high antibiotic resistance of the emerging Clostridium difficile genotypes NAPCR1 and NAP9 in a Costa Rican hospital over a 2-year period without outbreaks
López Ureña, Diana; Quesada Gómez, Carlos; Montoya Ramírez, Mónica; Gamboa Coronado, María del Mar; Somogyi Pérez, Teresa; Rodríguez Sánchez, César; Rodríguez Cavallini, Evelyn (2016-05)Clostridium difficile is the major causative agent of nosocomial antibiotic-associated diarrhea. In a 2009 outbreak of C. difficileassociated diarrhea that was recorded in a major Costa Rican hospital, the hypervirulent ... -
Rotavirus y campylobacter fetus jejuni asociados a un brote de diarrea en terneros
Simhon Edgar, Alberto; Gamboa Coronado, María del Mar; Mata Jiménez, Leonardo (Revista de Biología Tropical 32 (2) 303-304, 1984-04-27)Rotaviruses and Campylobacter fetus jejuni are ubiquitous agents of diarrheal disease in animals and humans. Under natural conditions they do not seem to cross inter-species barriers; a zoonosis has not been documented for ... -
Terapia larval con Lucilia eximia (Diptera: Calliphoridae) de Costa Rica en un modelo experimental
Calderón Arguedas, Ólger; Belfort Arguedas, Kattia; Troyo Rodríguez, Adriana; Gamboa Coronado, María del Mar (2014-06-01)Con el fin de analizar la aceleración en la solución de heridas dérmicas mediante el tratamiento con larvas de Lucilia eximia (Diptera: Calliphoridae), se generaron úlceras en piel en parejas de ratas mediante inoculación ...