• 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 ...

• Bacterial Sphingomyelinases and Phospholipases as Virulence Factors 

  Flores Díaz, Marietta; Monturiol Gross, Laura; Naylor, Claire E.; Alape Girón, Alberto; Flieger, Antje (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 ...

• Metaloproteinasas dependientes de Zinc: Protagonistas centrales en la Fisiopatología de Envenenamientos por Serpientes de la familia Viperidae 

  Gutiérrez, José María; Escalante Muñoz, Teresa; Rucavado Romero, Alexandra (2016)

  Se presenta y discute el papel que juegan las metaloproteinasas de los venenos de serpientes (SVMPs) de la familia Viperidae en la fisiopatología de los envenenamientos inducidos por mordeduras de estos reptiles. Se hace ...

• Desarrollo de la herpetocultura en Costa Rica: Situación actual de herpetarios y manejo ex situ de reptiles y anfibios 

  Arias Ortega, Jazmín; Bonilla Murrilo, Fabián; Sasa Marín, Mahmood (2016-08-29)

  La tenencia de herpetofauna en cautiverio es una actividad que ha experimentado un enorme desarrollo en distintas partes del mundo, constituyéndose en la base de muchos programas de conservación, educación, e investigación. ...

• Hydrology Affects Environmental and Spatial Structuring of Microalgal Metacommunities in Tropical Pacific Coast Wetlands 

  Rojo García Morato, Carmen; Mesquita Joanes, Francesc; Monrós, Juan S.; Armengol Díaz, Javier; Sasa Marín, Mahmood; Bonilla Murillo, Fabián; Rueda, Ricardo; Benavent Corai, José; Piculo, Rubén; Segura Martínez, Matilde (2016-02-22)

  The alternating climate between wet and dry periods has important effects on the hydrology and therefore on niche-based processes of water bodies in tropical areas. Additionally, assemblages of microorganism can show spatial ...

• A cryptic palm-pitviper species (Squamata: Viperidae: Bothriechis) from the Costa Rican highlands, with notes on the variation within B. nigroviridis 

  Doan, Tiffany M.; Mason, Andrew J.; Castoe, Todd A.; Sasa Marín, Mahmood; Parkinson, Christopher L. (2016-07-15)

  Middle America is one of the most biodiverse regions in the world, harboring an exceptional number of rare and endemic species. This is especially true of Middle American cloud forests, where montane specialists occupy ...

• Regional warming and the thermal regimes of American crocodile nests in the Tempisque Basin, Costa Rica 

  Murray, Christopher M.; Easter, Michael; Padilla, Sergio; Sasa Marín, Mahmood; Guyer, Craig (2016-06-11)

  Spatial variation in global climate change makes population-specific responses to this enigmatic threat pertinent on a regional scale. Organisms with temperature-dependent sex determination (TSD) potentially possess a ...

• Methyltestosterone alters sex determination in the American alligator (Alligator mississippiensis) 

  Murray, Christopher M.; Easter, Michael; Merchant, Mark; Rheubert, Justin L.; Wilson, Kelly A.; Cooper, Amos; Mendonça, Mary; Wibbels, Thane; Sasa Marín, Mahmood; Guyer, Craig (2016-07-09)

  Effects of xenobiotics can be organizational, permanently affecting anatomy during embryonic development, and/or activational, influencing transitory actions during adulthood. The organizational influence of endocrine-disrupting ...

• Improved biomass and protein production in solid-state cultures of an Aspergillus sojae strain harboring the Vitreoscilla hemoglobin 

  Mora Lugo, Rodrigo; Madrigal Villalobos, Marvin; Yelemane, Vikas; Fernández Lahore, Marcelo (2015-07-30)

  The biotechnological value of Aspergillus sojae ATCC 20235 (A. sojae) for production of pectinases in solidstate fermentation (SSF) has been demonstrated recently. However, a common drawback of fungal solid-state cultures ...

• Modelos de variables latentes, modelación cognitiva y memoria de trabajo: un punto de encuentro 

  Rodríguez Villagra, Odir Antonio (2015-11-13)

  Los modelos de variables latentes y los modelos cognitivos formales comparten algunos aspectos de su objeto de estudio, varios aspectos filosóficos y parte de su metodología. A pesar de ello, existe poca comunicación entre ...

• Exercise reward induces appetitive 50-kHz calls in rats 

  Heyse, Natalie C.; Brenes Sáenz, Juan Carlos; Schwarting, Rainer K. W. (2015-04-12)

  Rats express affective states by visible behaviors (like approach or flight) and through different kinds of ultrasonic vocalizations (USV). 50-kHz calls are thought to reflect positive affective states since they occur ...

• Características clínicas de los casos de demencia diagnosticados en la Clínica de Memoria del Hospital Nacional de Geriatría y Gerontología 

  Miranda Valverde, Erick; Valerio Aguilar, Daniel; Hernández Gabarain, Henri Jacques; Chaves Araya, Cinthya; Peralta Azofeifa, Monserrat; Corrales Campos, Luis Emilio; Córdoba Moncada, Johan; Carballo Alfaro, Ana Maricela; Morales Martínez, Fernando; Arias Salazar, Alejandra (2015)

  Antecedentes: la demencia es una entidad clínica cada vez más prevalente en nuestro medio, cuya incidencia aumenta con la edad. El objetivo del presente estudio es identificar los principales tipos de demencia atendidos ...

• Effects of fasting on endurance exercise 

  Aragón Vargas, Luis Fernando (1993)

  Early studies agree that fasting is detrimental to overall physical performance and to endurance performance in humans; however, a study in rats reporte an ergogenic effect where time to exhaustion was increased by a ...

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