Listar Microbiología por título
Mostrando ítems 649-668 de 1169
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Integrated “omics” profiling indicates that miRNAs are modulators of the ontogenetic venom composition shift in the Central American rattlesnake, Crotalus simus simus
(2013)Background Understanding the processes that drive the evolution of snake venom is a topic of great research interest in molecular and evolutionary toxinology. Recent studies suggest that ontogenetic changes in venom ... -
Integrative characterization of the venom of the coral snake Micrurus dumerilii (Elapidae) from Colombia: proteome, toxicity, and cross-neutralization by antivenom
(2016-03)In Colombia, nearly 2.8% of the 4200 snakebite accidents recorded annually are inflicted by coral snakes (genus Micrurus). Micrurus dumerilii has a broad distribution in this country, especially in densely populated ... -
Interacciones celulares en el proceso de invasión de Shigella sp
(Rev Panam Infectol 2009;11(2):56-61, 2009)Shigella, como agente etiológico de la disentería bacilar, es un problema importante de salud pública a nivel mundial. Para el establecimiento de la infección este microorganismo emplea las funciones celulares y de ... -
Interacción de neutrófilos murinos con Brucella abortus
(2019-12)La brucelosis es una enfermedad zoonótica con distribución mundial. La enfermedad se caracteriza por ocasionar fiebre ondulante en humanos y abortos en animales domésticos como vacas, ovejas, cabras, cerdos y perros. ... -
Interferencia en la cuantificación de electrolitos al emplear tubos con gel separador
(2020-12-15)Los tubos con gel separador para suero sanguíneo se utilizan ampliamente para recolectar, transportar y almacenar muestras de sangre con el fin de realizar ensayos de Química Clínica. Se plantea la necesidad de verificar ... -
Intervenciones terapéuticas en población obesa: Efecto sobre la inflamación
(2021)Actualmente la obesidad es considerada una pandemia y una de las enfermedades no transmisibles más importantes a nivel mundial. Durante las últimas dos décadas, investigaciones han revelado una relación estrecha entre el ... -
Intracellular passage triggers a molecular response in that increases its infectiousness
(2021)Brucella abortus is a facultative extracellular-intracellular pathogen that encounters a diversity of environments within the host cell. We report that bacteria extracted from infected cells at late stages (48 h post-infection) ... -
Intramuscular administration of antivenoms in experimental envenomation by Bothrops asper: comparison between Fab and IgG
(2003-02)The efficacy of intramuscular (im) administration of sheep Fab and IgG antivenoms was assessed in a mouse experimental model of envenomation by Bothrops asper, in order to test if the more rapid absorption of Fab improves ... -
Intraspecies variation in the venom of the rattlesnake Crotalus simus from Mexico: Different expression of crotoxin results in highly variable toxicity in the venoms of three subspecies
(2013-07)The composition and toxicological profile of the venom of the rattlesnake Crotalus simus in Mexico was analyzed at the subspecies and individual levels. Venoms of the subspecies C. s. simus, C. s. culminatus and C. s. ... -
Intravascular hemolysis induced by phospholipases A2 from the venom of the Eastern coral snake, Micrurus fulvius: functional profile of hemolytic and non-hemolytic isoforms
(2018-04)A unique feature of the venom of Micrurus fulvius (Eastern coral snake) is its ability to induce severe intravascular hemolysis in particular species, such as dogs or mice. This effect was previously shown to be induced ... -
Intravascular hemolysis induced by the venom of the Eastern coral snake, Micrurus fulvius, in a mouse model: Identification of directly hemolytic phospholipases A2
(Toxicon 90, 2014)Intravascular hemolysis has been described in envenomings by the Eastern coral snake, Micrurus fulvius, in dogs. An experimental model of intravascular hemolysis was developed in mice after intravenous (i.v.) injection ... -
Intravenous administration of equine-derived whole IgG antivenom does not induce early adverse reactions in non-envenomed horses and cows
(2010-11)Administration of antivenoms to treat snakebite envenomings has the potential risk of inducing early adverse reactions. The mechanisms involved in these reactions are unclear. In this study, polyspecific antivenom consisting ... -
Isolates of Clostridium perfringens recovered from Costa Rican patients with antibiotic-associated diarrhoea are mostly enterotoxin-negative and susceptible to first-choice antimicrobials
(2008-03)To assess the prevalence of enterotoxigenic Clostridium perfringens among adults suffering from antibiotic-associated diarrhoea in a Costa Rican hospital, faecal samples were analysed from 104 patients by a cultivation ... -
Isolation and biochemical, functional and structural characterization of a novel L-amino acid oxidase from Lachesis muta snake venom
(2012-12-01)The aim of this study was the isolation of the LAAO from Lachesis muta venom (LmLAAO) and its biochemical, functional and structural characterization. Two different purification protocols were developed and both provided ... -
Isolation and characterization of a metalloproteinase with weak hemorrhagic activity from the venom of the snake Bothrops asper (terciopelo)
(1995-01)A metalloproteinase, named BaP1, was purified to homogeneity from the venom of Bothrops asper (Pacific region) of Costa Rica by ion-exchange chromatography on CM-Sephadex and gel filtration on Sephacryl S-200. The enzyme ... -
Isolation and characterization of a myotoxic phospholipase A2 from the venom of the arboreal snake Bothriechis (Bothrops) schlegelii from Costa Rica
(1997-03)A new myotoxic phospholipase A2was isolated from the venom of the arboreal snakeBothriechis schlegelii(formerlyBothrops schlegelii) from Costa Rica, by ion-exchange chromatography on CM-Sephadex.B. schlegeliimyotoxin I is ... -
Isolation and characterization of a serine proteinase with thrombin-like activity from the venom of the snake Bothrops asper
(2008-01)A serine proteinase with thrombin-like activity was isolated from the venom of the Central American pit viper Bothrops asper. Isolation was performed by a combination of affinity chromatography on aminobenzamidine-Sepharose ... -
Isolation and characterization of basic myotoxic phospholipases A2 from Bothrops godmani (Godman's pit viper) snake venom
(1992)Two basic myotoxic phospholipases A2 were purified to homogeneity from the venom of Bothrops godmani from Costa Rica by ion-exchange chromatography on CM-Sephadex. They have molecular weights of 14,300 (myotoxin I) and ... -
Isolation and characterization of four medium-size disintegrins from the venoms of Central American viperid snakes of the genera Atropoides, Bothrops, Cerrophidion and Crotalus
(2014-12)Four disintegrins were isolated from the venoms of the Central American viperid snakes Atropoides mexicanus (atropoimin), Bothrops asper (bothrasperin), Cerrophidion sasai (sasaimin), and Crotalus simus (simusmin). ...