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Fluorescence Imaging Approaches in Flavivirus Research
(2021-10-01)
The genus Flavivirus within the family Flaviviridae contains many
arthropod-borne infectious agents of medical relevance like dengue virus (DENV),
Zika virus (ZIKV), and West Nile virus (WNV), among others, that cause ...
Toxin B Variants from Clostridium difficile Strains VPI 10463 and NAP1/027 Share Similar Substrate Profile and Cellular Intoxication Kinetics but Use Different Host Cell Entry Factors
(2019)
Clostridium difficile induces antibiotic-associated diarrhea due to the release of toxin A (TcdA) and toxin B (TcdB), the latter being its main virulence factor. The epidemic strain NAP1/027 has an increased virulence ...
Group-II phospholipase A2 enzymes
(2015-05)
Phospholipase A2 are esterolytic enzymes that catalyze the hydrolysis of 1,2-diacyl-3-sn-glycerophospholipids at the C2 position, resulting in the formation of lysophospholipids and free fatty acid. They constitute one of ...
Bacterial Sphingomyelinases and Phospholipases as Virulence Factors
(2016-06-15)
Bacterial sphingomyelinases and phospholipases are a heterogeneous group of esterases which are usually surface associated or secreted by a wide variety of Gram-positive and Gram-negative bacteria. These enzymes hydrolyze ...
Primer hallazgo de Aedes albopictus Skuse en el Gran Área Metropolitana de Costa Rica
First finding of Aedes albopictus Skuse in the the Greater Metropolitan Area of Costa Rica
(2014)
Objetivo: Informar sobre el primer hallazgo de Aedes albopictus en el Gran Área Metropolitana de Costa Rica. Métodos: Formas inmaduras de mosquitos colectadas en la Ciudadela La Carpio, Distrito Uruca, San José, como parte ...
Niveles séricos de lipoproteína (a), apoproteínas A1 y B100 y otros factores de riesgo cardiovascular en una población de adultos del área urbana de San José, Costa Rica
(2013)
Introducción y objetivos: La enfermedad cardiovascular es la primera causa de muerte en Costa Rica, razón por la cual se plantea el estudio de nuevos factores de riesgo en una población adulta de la provincia de San José. ...
Aplicación del método de coagulación de plasma al estudio ultraestructural de especímenes biológicos
(1991)
Biological particulate specimens, including Saccharomyces cerevisiae yeast, bovine spermatozoa and human blood cells (normal erythrocytes and leukemic cells) were processed for scanning and transmission electron microscopy ...
Neotropical primary bat cell lines show restricted dengue virus replication
(2017-02)
Dengue is the most widespread arboviral disease affecting humans. Bats are recognized carriers of emerging viral zoonoses and have been proposed as dengue reservoirs, since RNA/NS1 and/or antiviral antibodies have been ...
Creatina intraeritrocítica como valoración de la edad celular
(1990)
El índice de reticulocitos es el parámetro más utilizado para medir la producción eritrocitaria medular. Sin embargo, como éste ha sido asociado con cierto grado de error estadístico, se ha buscado un método objetivo y de ...