• Guazuma ulmifolia (Sterculiaceae), a new natural host of 16SrXV phytoplasma in Costa Rica 

  Villalobos Muller, William; Martini, Marta; Garita Salazar, Laura Cristina; Osler, Ruggero; Moreira Carmona, Lisela; Muñoz García, Melania Nelly (2011-04)

  Guacimo trees (Guazuma ulmifolia, Sterculiaceae) showing witches’ broom symptoms (GWB), small leaves, short internodes, stunting and no flower and fruit production were observed on side roads and fences in different areas ...

• [Supplemental data] Composition, isotopic fingerprint and source attribution of nitrate deposition from rain and fog at a Sub-Arctic Mountain site in Central Sweden (Mt Åreskutan) 

  Mårtensson, E. Monica; Wideqvist, Ulla; Kaiser, Jan; Zieger, Paul; Ström, Johan; Vega Riquelme, Carmen Paulina (2019-01-10)

• Los verdaderos riesgos del ejercicio 

  Aragón-Vargas, Luis Fernando (1995)

  En este artículo se discuten los riesgos relativos, tanto del sedentarismo como de la actividad física vigorosa, así como las condiciones que pueden agudizar o aminorar estos riesgos. Además, se plantean las diferentes ...

• Citrus Huanglongbing Associated with ‘Candidatus Liberibacter asiaticus’ Present in the Northern Region of Costa Rica but Has Not Been Detected in Other Citrus- Growing Areas 

  Moreira Carmona, Lisela; Villalobos Muller, William; Molina Bravo, Ramón; Stephens Cárdenas, Stephen A.; Hilje Rodríguez, Irena; Blanco Vargas, Marilyn; Villalobos Navarro, Dayana; Gätjens Boniche, Omar (2015-12)

  Since 2011, citrus Huanglongbing (HLB, ex-greening) disease has been detected in Los Chiles, Costa Rica, close to the Nicaraguan border, by the State Phytosanitary Service (Servicio Fitosanitario del Estado; SFE) and by ...

• Detection of Plantago asiatica mosaic virus in lily hybrid plants(Lilium spp.) in Costa Rica grown from imported bulbs 

  Garita Salazar, Laura Cristina; Hammond, John; Moreira Carmona, Lisela; Vásquez Céspedes, Elena; Montero Astúa, Mauricio (2017-12)

  Plantago asiatica mosaic virus (PlAMV) was detected in Costa Rica infecting lily plants showing foliar chlorotic and necrotic streaking. Virus identity was established by TEM, sequencing and ELISA. Pathogenicity was confirmed ...

• Population Genomic Analysis of a Bacterial Plant Pathogen: Novel Insight into the Origin of Pierce’s Disease of Grapevine in the U.S. 

  Nunney, Leonard; Yuan, Xiaoli; Bromley, Robin; Hartung, John; Stouthamer, Richard; Moreira Carmona, Lisela; Montero Astúa, Mauricio; Ortiz Arias, Beatriz (2010-11)

  Invasive diseases present an increasing problem worldwide; however, genomic techniques are now available to investigate the timing and geographical origin of such introductions. We employed genomic techniques to demonstrate ...

• Management strategies for pasture recovery in guineagrass (Panicum maximum jacq.) and stargrass (Cynodon nlemfuensis vanderyst) pastures 

  Villalobos Villalobos, Luis Alonso; WingChing Jones, Rodolfo (2018-01-23)

• Chayote mosaic, a new disease in Sechium edule caused by a tymovirus 

  Hord, Melanie J.; Villalobos Muller, William; Lizano Umaña, Ana Victoria; Rivera Herrero, Carmen (1997-04)

  A sap-transmissible virus was isolated from chayote (Sechium edule) in Costa Rica. Infected plants showed chlorotic spots and rings, and blotchy mosaics, which often coalesced to give a complete mosaic and leaf deformation. ...

• ‘Candidatus Phytoplasma costaricanum’ a novel phytoplasma associated with an emerging disease in soybean (Glycine max). 

  Lee, Ing-Ming; Bottner, Kristi D.; Zhao, Yan; Villalobos Muller, William; Moreira Carmona, Lisela (2011-12)

  A novel phytoplasma, designated strain SoyST1c1, associated with a newly emerging disease in soybean (Glycine max), known as soybean stunt (SoyST), was found in 2002 in a soybean plantation in Alajuela Province, Costa Rica. ...

• La viuda negra en Costa Rica: información general 

  Barrantes Montero, Gilbert (2016)

  La viuda café (Latrodectus geometricus) ha sido probablemente introducida a América desde la región mediterránea de África. Desde su llegada a Costa Rica, esta especie ha expandido su distribución rápidamente colonizando ...

• Lactrodectismo en Costa Rica 

  Barrantes Montero, Gilbert; Valerio Pizarro, Raquel (2017)

  Se reporta un accidente causado por la araña Latrodectus geometricus, incluida en el grupo conocido como “viudas negras”, en Costa Rica. El accidente le ocurrió a una mujer de 27 años vecina de la ciudad de Cartago, en su ...

• Functional changes in web design along the ontogeny of two orb-weavers 

  Barrantes Montero, Gilbert; Triana Cambronero, Emilia; Sánchez Quirós, Catalina (2017-08-01)

  Orb webs evolved primarily to capture prey, though they also have other functions. Recently, it has been argued that the orb web does not work as a functional unit, but instead some sections or components have presumably ...

• Effects of fasting on endurance exercise in adult males: preliminary evidence for a "nocebo" effect 

  Beltranena Falla de Enríquez, María Mercedes; Aragón Vargas, Luis Fernando; Salazar Rojas, Walter (1998)

  The literature has repeatedly reported a negative effect of fasting on endurance exercise in humans. The goal of this study was to test the hypothesis that endurance performance is susceptible to a “negative placebo” or ...

• Simulation of behavioral profiles in the plus-maze: A Classification and Regression Tree approach 

  Molina Delgado, Mauricio; Padilla Mora, Michael; Fonaguera, Jaime (2013-07-25)

  This article introduces a simulation model of rat behavior in the elevated plus-maze, designed through a Decision trees approach using Classification and Regression algorithms. Starting from the analysis of the behavior ...

• The discovery/justification context dichotomy within formal and computational models of scientific theories: a weakening of the distinction based on the perspective of non-monotonic logics 

  Morales Delgado, Jorge A.; Molina Delgado, Mauricio (2017-03-27)

  The present paper analyses the topic of scientific discovery and the problem of the existence of a logical framework involved in such endeavour. We inquire how several non-monotonic logic frameworks and other formalisms ...

• Adaptación de una técnica de inmunosorbencia (ELISA) a la detección del virus del rayado fino del maíz en su insecto vector 

  Rivera Herrero, Carmen; Gámez Lobo, Rodrigo (1983-06)

  An enzyme-linked immunosorbent assay (ELISA) was adapted for detection of maize rayado fino virus (RFV) in its insect vector Dalbulus maidis. Optimization of experimental conditions for the assay included the use of ...

• Cell surface nucleolin interacts with and internalizes Bothrops asper Lys49 phospholipase A2 and mediates its toxic activity 

  Lina Massimino, Maria; Simonato, Morena; Spolaore, Barbara; Franchin, Cinzia; Arrigoni, Giorgio; Marin, Oriano; Monturiol Gross, Laura; Fernández Ulate, Julián; Lomonte, Bruno; Tonello, Fiorella (2018)

  Phospholipases A2 are a major component of snake venoms. Some of them cause severe muscle necrosis through an unknown mechanism. Phospholipid hydrolysis is a possible explanation of their toxic action, but catalytic and ...

• Innovative immunization strategies for antivenom development 

  Bermúdez Méndez, Erick; Fuglsang Madsen, Albert; Fons, Sofie; Lomonte, Bruno; Gutiérrez Gutiérrez, José María; Hougaard Laustsen, Andreas (2018)

  Snakes, scorpions, and spiders are venomous animals that pose a threat to human health, and severe envenomings from the bites or stings of these animals must be treated with antivenom. Current antivenoms are based on ...

• Depletion of complement enhances the clearance of Brucella abortus in mice 

  González Espinoza, Gabriela; Barquero Calvo, Elías; Lizano González, Esteban; Alfaro Alarcón, Alejandro; Arias Gómez, Berny; Chaves Olarte, Esteban; Lomonte, Bruno; Moreno, Edgardo; Chacón Díaz, Carlos (2018)

  Brucellosis is a bacterial disease of animals and humans. Brucella abortus barely activates the innate immune system at the onset of infection, and this bacterium is resistant to the microbicidal action of complement. ...

• Delayed oral LY333013 rescues mice from highly neurotoxic, lethal doses of Papuan Taipan (Oxyuranus scutellatus) venom 

  Gutiérrez Gutiérrez, José María; Samuel, Stephen P.; Herrera Vega, María; Bryan Quirós, Wendy; Lomonte, Bruno; Bickler, Philip E.; Bulfone, Tommaso C.; Williams, David J. (2018)

  There is an unmet need for economical snakebite therapies with long shelf lives that are effective even with delays in treatment. The orally bioavailable, heat-stable, secretory phospholipase A2 (sPLA2) inhibitor, LY333013, ...

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