Listar Microbiología por título
Mostrando ítems 787-806 de 1169
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Novel insights into capillary vessel basement membrane damage by snake venom hemorrhagic metalloproteinases: A biochemical and immunohistochemical study
(2016-11-15)The hemorrhagic activity characteristic of viperid snake envenomations is due to the action of venom metalloproteinases (SVMPs) on the capillary vessel basement membrane (BM). This study compared the action of two SVMPs ... -
Novel snakebite therapeutics must be tested in appropriate rescue models to robustly assess their preclinical efficacy
(2020)In the field of antivenom research, development, and manufacture, it is often advised to follow the World Health Organization’s (WHO) guidelines for the production, control, and regulation of snake antivenom immunoglobulins, ... -
Novel three-finger toxins from Micrurus dumerilii and Micrurus mipartitus coral snake venoms: phylogenetic relationships and characterization of Clarkitoxin-I-Mdum
(2019)Micrurus mipartitus and M. dumerilii are the most medically important coral snakes in Colombia. Proteomic characterization of their venoms has previously shown that proteins of the three-finger toxin (3FTx) family ... -
Nuevas terapias en hemofilia
(2021)La hemofilia es un desorden genético de herencia recesiva ligado al cromosoma X, la A se da por deficiencia del factor VIII mientras que la B por ausencia de IX. Se clasifican en tres grupos: leve, moderada y severa. Una ... -
Nuevos registros de Aedes albopictus (Skuse) en cuatro localidades de Costa Rica
(2017)Introducción. Aedes albopictus (Skuse) es un vector de arbovirus ampliamente distribuido. En Costa Rica, la expansión geográfica de Ae.albopictus se ha incrementado en la última década, por lo que es importante actualizar ... -
Occurrence of Aliarcobacter spp in fresh and precut vegetables of common use in San José, Costa Rica
(2023)Aliarcobacter is a Gram-negative rod that can cause disease both in animals and human beings. Several studies have evidenced its presence in a wide variety of foods. Given that the number of foodborne illness outbreaks ... -
Occurrence of pathogenic microorganisms in small drinking-water systems in Costa Rica
(2022-02-03)This study describes the quality of drinking water sampled over 2 years (2018 and 2019) from 20 ASADAS (Spanish acronym for Administrative Associations for Water and Sewer Systems) in Costa Rica. The analysis included ... -
Omics Meets Biology: Application to the Design and Preclinical Assessment of Antivenoms
(Toxins vol.6:3388-3405, 2014-12-15)Snakebite envenoming represents a neglected tropical disease that has a heavy public health impact worldwide, mostly affecting poor people involved in agricultural activities in Africa, Asia, Latin America and Oceania. A ... -
Ontogenetic changes in the venom of the snake Lachesis muta stenophrys (bushmaster) from Costa Rica
(1990)A comparative study was performed on some enzymatic and toxic activities of venoms collected from newborn, one-year old, two-years old and adult (more than five-years old) specimens of Lachesis muta stenophrys. There was ... -
Ontogenetic variability of Bothrops atrox and Bothrops asper snake venoms from Colombia
(2003-09)The lancehead snakes Bothrops asper and Bothrops atrox inflict 70–90% of the 3000 bites reported every year in Colombia. In this work, the venoms of B. atrox from Meta (Villavicencio, 33 specimens) and B. asper from Antioquia ... -
Ontogenetic variation in the venom of Mexican Jumping Viper (Metlapilcoatlus nummifer)
(2020)The viperid genus Metlapilcoatlus (previously Atropoides) is represented in Mexico by four species: M. olmec, M. mexicanus, M. occidus, and M. nummifer. To date, no studies on their venoms have been reported. Here, we ... -
Optimización de la fermentación de Trichoderma Asperellum para la producción y caracterización de peptaiboles con potencial efecto antimicrobiano contra patógenos alimentarios
(2022)Las Enfermedades Transmitidas por Alimentos (ETA) son causadas por microorganismos y sustancias químicas en diversas matrices alimenticias. Estas enfermedades son una problemática a nivel mundial, ya que afectan la salud ... -
Optimización de un método colorimétrico para la cuantificación de cobre en suero
(1993)Se optimizó y adaptó un método colorimétrico para la determinación de cobre sérico con dibenzilditiocarbamato de zinc. El método presenta linealidad por lo menos hasta 400 ug/dl de cobre. La recuperación promedio obtenida ... -
p-Bromophenacyl bromide modification of Bothrops asper myotoxin II, a lysine-49 phospholipase A2, affects its pharmacological activities
(1993-09)Modification of Bothrops asper myotoxin II, a lysine-49 phospholipase A2 variant, was carried out with p-bromophenacyl bromide. Modified toxin did not show changes in its charge and immunological properties but two of its ... -
Pan-African polyspecific antivenom produced by caprylic acid purification of horse IgG: an alternative to the antivenom crisis in Africa
(2005-06)A polyspecific Pan-African antivenom has been produced from the plasma of horses immunized with a mixture of the venoms of Echis ocellatus, Bitis arietans and Naja nigricollis, the three most medically important snakes in ... -
Papel potencial de Aedes albopictus Skuse en la transmisión de virus dengue (DENV) en una zona de actividad piñera de Costa Rica
(2019)Objetivo. Evaluar, bajo una perspectiva ecológica, la presencia de Aedes albopictus y su infección natural por virus dengue (DENV) en una zona de actividad piñera de Costa Rica. Método: Se colectaron mosquitos adultos en ... -
Paracoccidioidomicosis, consideraciones de una micosis desatendida
(2021-10-08)El presente trabajo corresponde a una revisión bibliográfica sobre el estado del conocimiento de las especies de Paracoccidioides spp. y los cuadros clínicos asociados a este hongo. La revisión inicia con un marco histórico ... -
Parasitismo imaginario: experiencia clínica y diagnóstica
(2012-06-01)Objetivo: describir los casos de parasitismo imaginario observados en el Laboratorio de Entomología Médica, Facultad de Microbiología, Universidad de Costa Rica durante 2001-2011. Métodos: se describen 9 casos cuyas ...