La captación de colesterol por Tetrahymena thermophila se realiza principalmente por fagocitosis [PDF]
, 2018 The free-living ciliate Tetrahymena thermophila is a unicellular model organism in which landmark biological processes have been discovered, such as the first description of telomerase activity and the molecular structure of telomeres, the mechanism of ...
Cid, Nicolás Gonzalo +6 more
core +1 more source
Volatiles from Subtropical Convolvulaceae That Interfere with Bacterial Cell-to-Cell Communication as Potential Antipathogenic Drugs [PDF]
, 2016 Increasing chronic bacterial infections create an urgent need for new antimicrobial agents or strategies for their control. Targetingvirulence is one of the alternative approaches to find new medicines to treat persistent infections due to bacteria with ...
Arena, Mario Eduardo +5 more
core +4 more sources
Ciência Florestal, 2010 Knowledge of seed chemical composition is very important in order to understand behavior during germination, storage and metabolic processes involved during reserve degradation, the latter of which affects seed vigor.
Simone Rodrigues de Magalhães +2 more
doaj +1 more source
Study of the Cys-His bridge electron transfer pathway in a copper-containing nitrite reductase by site-directed mutagenesis, spectroscopic, and computational methods [PDF]
, 2018 The Cys-His bridge as electron transfer conduit in the enzymatic catalysis of nitrite to nitric oxide by nitrite reductase from Sinorhizobium meliloti 2011 (SmNir) was evaluated by site-directed mutagenesis, steady state kinetic studies, UV-vis and EPR ...
Brondino, Carlos Dante +7 more
core +1 more source
Participación de las especies reactivas de oxígeno en la formación de la catarata
Revista Cubana de Oftalmología, 2021 RESUMEN La catarata comprende la opacidad del cristalino, la cual puede afectar la corteza y el núcleo subcapsular anterior y posterior de manera progresiva, secundario a la acumulación de proteínas dañadas a este nivel, con pérdida del equilibrio entre ...
Lázara Mairely Molinet Vega +2 more
doaj
The aflatoxin B1-fumonisin B1 toxicity in BRL-3A hepatocytes is associated to induction of cytochrome P450 activity and arachidonic acid metabolism [PDF]
, 2017 Human oral exposure to aflatoxin B1 (AFB1) and fumonisin B1 (FB1) is associated with increased hepatocellular carcinoma. Although evidence suggested interactive AFB1–FB1 hepatotoxicity, the underlying mechanisms remain mostly unidentified.
Arias, Silvina Lorena +5 more
core +1 more source
Acta Scientiarum: Biological Sciences, 2009 Em estudos realizados com variação no teor de proteína na ração para peixes, foi demonstrado o aumento das atividades de protease alcalina, protease ácida, tripsina e quimiotripsina do trato digestório de jundiá (Rhamdia quelen).
Alexandre Bernardini Ungar +4 more
doaj +1 more source
Webquest como estrategia para la integración del conocimiento de bioquímica médica
Edutec, 2015 Se presenta la experiencia del uso del modelo webquest en un curso de bioquímica para estudiantes de primer año de Medicina. La webquest denominada Bioquímica Médica se desarrolló en Moodle como estrategia colaborativa para integrar los conocimientos ...
Keybell Díaz +2 more
doaj +1 more source
Senecio bonariensis Hook. & Arn. promising arsenic phytoextractor from water in laboratory and field trials [PDF]
, 2019 The use of plant species to cleanse groundwater with excessive concentrations of arsenic (As) derived from contact with weathered materials has become a valuable option to treat it.
Cambi, Viviana Nora +6 more
core +1 more source
InterAAcciones: un aprendizaje lúdico sobre aminoácidos, proteínas y propiedades fisicoquímicas
Educación QuímicaEste trabajo presenta InterAAcciones, un juego de mesa educativo diseñado para reforzar los conocimientos sobre las interacciones que establecen los residuos de aminoácidos en las proteínas.
Nancy Martín +2 more
doaj +1 more source