• Suplementación con pared celular y cultivo de levaduras en vacas prontas y su efecto sobre la calidad del calostro y el estado inmunológico de las terneras 

  Campos Granados, Carlos Mario; Rojas Bourrillón, Augusto (2015)

  El estudio fue realizado en una finca comercial ubicada en Santa Rosa de Oreamuno, Provincia de Cartago. Se utilizaron 30 vacas Jersey preparto y sus respectivas terneras, distribuidas en un modelo irrestricto al azar, con ...

• Efecto de la adición de pollinaza sobre las características nutricionales y fermentativas del ensilado de subproductos agroindustriales de yuca (Manihot esculenta) 

  Rojas Bourrillón, Augusto; Poore, Matthew; Arce Cordero, José Alberto (2015)

  Se evaluó el efecto de la adición de 0, 5, 10, 15 y 20% de pollinaza al subproducto de yuca en el proceso de ensilaje. Tanto las características de composición nutricional como las fermentativas fueron evaluadas. Se determinó ...

• Variaciones de β-caroteno en sangre de vacas lecheras durante el periodo postparto. 

  Aguiar Zalzano, Eduardo; Rojas Bourrillón, Augusto (2015)

  El caroteno es el principal precursor de la vitamina A, la cual es muy importante en los procesos reproductivos e inmunológicos del animal. Durante el estudio se pudo notar que las concentraciones sanguíneas de β caroteno ...

• Phenotype of Arabidopsis thaliana semi-dwarfs with deep roots and high growth rates under water-limiting conditions is independent of the GA5 loss-of-function alleles 

  Barboza Barquero, Luis Orlando; Nagel, Kerstin A.; Jansen, Marcus; Klasen, Jonas R.; Kastenholz, Bernd; Braun, Silvia; Bleise, Birgit; Brehm, Thorsten; Koornneef, Maarten; Fiorani, Fabio (2015-07-10)

  BACKGROUND AND AIMS: The occurrence of Arabidopsis thaliana semi-dwarf accessions carrying inactive alleles at the gibberellin (GA) biosynthesis GA5 locus has raised the question whether there are pleiotropic effects on ...

• Composition of the essential oil from leaves of Smallanthus quichensis (Asteraceae) from Costa Rica 

  Chaverri Chaverri, Carlos; Cicció Alberti, José Francisco (2015-09-30)

  Smallanthus is a genus of flowering plants in the Asteraceae family, which has about 24 species, ranging mostly from southern Mexico and Central America to the Andes in South America. The aim of the present study was to ...

• Novel Lobophorins Inhibit Oral Cancer Cell Growth and Induce Atf4- and Chop-Dependent Cell Death in Murine Fibroblasts 

  Cruz, Patricia G.; Fribley, Andrew M.; Miller, Justin R.; Larsen, Martha J.; Schultz, Pamela J.; Jacob, Renju T.; Tamayo Castillo, Giselle; Kaufman, Randal J.; Sherman, David H. (2015-07-06)

  As part of the International Cooperative Biodiversity Groups (ICBG) Program, we were interested in identifying biologically active unfolded protein response (UPR) inducing compounds from marine microorganisms isolated from ...

• Resultados de la regionalización de la Carrera de Psicología de la Universidad de Costa Rica en la Sede de Limón: perspectivas de estudiantes, docentes y comunidad 

  Vidaurre Ali, Evelyn (2010)

  El estudio de tipo exploratorio evalúa la perspectiva de docentes, estudiantes y comunidad limonense en el desarrollo de la Carrera de Psicología en la Universidad de Costa Rica, Sede de Limón. Se basa en las percepciones ...

• Sexual dimorphism in the second-to-fourth digit length ratio in green anoles, Anolis carolinensis (Squamata: Polychrotidae), from the southeastern United States 

  Stynoski, Jennifer Lynn; Doughty, Stephanie; Wade, Juli S.; Lovern, Matthew B. (2006)

  Digit length ratios are organized during embryonic development and may show sexual dimorphism related to steroid exposure. The second-to-fourth digit length ratio (2D:4D) has received the most attention. In the present ...

• Seasonal wetlands in the Pacific coast of Costa Rica and Nicaragua: environmental characterisation and conservation status 

  Sasa Marín, Mahmood; Armengol Díaz, Javier; Bonilla Murillo, Fabián; Mesquita Joanes, Francesc; Piculo, Rubén; Rojo García Morato, Carmen; Rueda, Ricardo; Monrós, Juan S. (2015)

  On the Pacific coast of Nicaragua and Costa Rica, rainfall patterns and clay-rich soils allow the development of extensive wetlands. These environments constitute unique habitats for the maintenance of aquatic biodiversity ...

• Multiple paths to aquatic specialisation in four species of Central American Anolis lizards 

  Muñoz, Martha Monica; Crandell, Kristen E.; Campbell Staton, Shane C.; Fenstermacher, Kristi; Frank, Hannah K.; Van Middlesworth, Paul; Sasa Marín, Mahmood; Losos, Jonathan B.; Herrel, Anthony (2015-02-26)

  Aquatic anoles present an interesting ecomorphological puzzle. On the one hand, the link between habitat use and morphology is well established as convergent within the Caribbean anole radiation. On the other hand, aquatic ...

• Combustibles forestales superficiales y riesgo de incendio en dos estadios de sucesión secundaria y bosques primarios en el Parque Nacional Palo Verde, Costa Rica 

  Rojas Chaves, Pedro Andrey; Vílchez, Braulio; Moya Roque, Roger Alonso; Sasa Marín, Mahmood (2015-06-22)

  Se cuantificó el combustible forestal superficial de los árboles en pie y del mantillo orgánico. También, se caracterizó la composición florística, en tres tratamientos de estadios sucesionales, de 10-25 años (29,88 ha) ...

• Membrane-damaging and cytotoxic sphingomyelinases and phospholipases 

  Flores Díaz, Marietta; Monturiol Gross, Laura; Alape Girón, Alberto (2015-06-05)

  This chapter presents an overview of the classification, structure, and main physiopathological activities of bacterial sphingomyelinases and phospholipases, providing examples of their roles as virulence factors in several ...

• Brucella canis Is an Intracellular Pathogen That Induces a Lower Proinflammatory Response than Smooth Zoonotic Counterparts 

  Chacón Díaz, Carlos; Altamirano Silva, Pamela; González Espinoza, Gabriela; Medina, María Concepción; Alfaro Alarcón, Alejandro; Bouza Mora, Laura; Jiménez Rojas, César; Wong Araya, Melissa; Barquero Calvo, Elías; Rojas Campos, Norman; Guzmán Verri, Caterina; Moreno Robles, Edgardo; Chaves Olarte, Esteban (2015-11-10)

  Canine brucellosis caused by Brucella canis is a disease of dogs and a zoonotic risk. B. canis harbors most of the virulence determinants defined for the genus, but its pathogenic strategy remains unclear since it has not ...

• Brucella abortus Induces the Premature Death of Human Neutrophils through the Action of Its Lipopolysaccharide 

  Barquero Calvo, Elías; Mora Cartín, Ricardo; Arce Gorvel, Vilma; de Diego, Juana L.; Chacón Díaz, Carlos; Chaves Olarte, Esteban; Guzmán Verri, Caterina; Buret, Andre G.; Gorvel, Jean Pierre; Moreno Robles, Edgardo (2015-05-06)

  Most bacterial infections induce the activation of polymorphonuclear neutrophils (PMNs), enhance their microbicidal function, and promote the survival of these leukocytes for protracted periods of time. Brucella abortus ...

• Assessing endotoxins in equine-derived snake antivenoms: Comparison of the USP pyrogen test and the Limulus Amoebocyte Lysate assay (LAL) 

  Solano Trejos, María Gabriela; León Montero, Guillermo; Gómez Argüello, Aarón (2015-08-29)

  Snake antivenoms are parenterally administered; therefore, endotoxin content must be strictly controlled. Following international indications to calculate endotoxin limits, it was determined that antivenom doses between ...

• Minipool Caprylic Acid Fractionation of Plasma Using Disposable Equipment: A Practical Method to Enhance Immunoglobulin Supply in Developing Countries 

  El Ekiaby, Magdy; Vargas Arroyo, Mariángela; Sayed, Makram; Gorgy, George; Goubran, Hadi; Radosevic, Mirjana; Burnouf, Thierry (2015-02-26)

  Plasma-derived immunoglobulin G (IgG) is on WHO’s Essential Medicines List, yet developing countries face severe shortages of this critical treatment. Infusion of IgG prepared from locally-collected plasma provides an ...

• Borrelidin Induces the Unfolded Protein Response in Oral Cancer Cells and Chop-Dependent Apoptosis 

  Sidhu, Alpa; Miller, Justin R.; Tripathi, Ashootosh; Garshott, Danielle M.; Brownell, Amy L.; Chiego, Daniel J.; Arevang, Carl Johan; Zeng, Qinghua; Jackson, Leah C.; Bechler, Shelby A.; Callaghan, Michael U.; Yoo, George H.; Sethi, Seema; Lin, Ho-Sheng; Callaghan, Joseph H.; Tamayo Castillo, Giselle; Sherman, David H.; Kaufman, Randal J.; Fribley, Andrew M. (2015)

  Oral squamous cell carcinoma (OSCC) is the most common cancer affecting the oral cavity, and US clinics will register about 30,000 new patients in 2015. Current treatment modalities include chemotherapy, surgery, and ...

• Cancelación del ruido de ambiente en grabaciones de vocalizaciones de manatíes antillanos 

  Castro Castro, Jorge Mario; Camacho Lozano, Arturo; Rivera Chavarría, Mario (2015-03)

  El manatí antillano es una especie que se encuentra amenazada a lo largo de su ámbito de distribución. Para promover su conservación, es importante localizar y contar individuos. La estimación de población a través de sus ...

• El impacto de los micronutrientes en la inmunidad de los animales. 

  Campos Granados, Carlos Mario (2015)

  En la producción animal, los micronutrientes (vitaminas y minerales) participan en muchas rutas metabólicas, en la regulación del ciclo celular y como moduladores de los procesos de replicación y diferenciación celular, ...

• Essential oil composition of Ambrosia cumanensis (Asteraceae) from Costa Rica 

  Cicció Alberti, José Francisco; Chaverri Chaverri, Carlos (2015-08)

  Ambrosia is an Asteraceous genus of flowering plants, which has about 40-45 species, and their geographical distribution ranges from the USA, Mexico, and Central America to South America. The aim of this work was to study ...

Más