• Epidendrum scandens: an unusual new orchid species endemic to the Cordillera de Talamanca in Costa Rica 

  Karremans Lok, Adam Philip; Rojas Alvarado, Gustavo; Chinchilla Alvarado, Isler Fabián (2023)

  We describe and illustrate a new species of Epidendrum from the montane forests on the Cordillera de Talamanca, in Costa Rica. Epidendrum scandens is unusually among the ‘Rugosum subgroup’ of ‘Ramosum group’ in the plants ...

• Evolution of Seed Dispersal Modes in the Orchidaceae: Has the Vanilla Mystery Been Solved? 

  Karremans Lok, Adam Philip; Watteyn, Charlotte; Scaccabarozzi, Daniela; Pérez Escobar, Oscar Alejandro; Bogarín Chaves, Diego Gerardo (2023)

  Orchid seeds are predominantly wind-dispersed, often developed within dry, dehiscent fruits that typically release millions of dust-like seeds into the air. Animal-mediated seed dispersal is a lesser-known phenomenon in ...

• A source of gamma rays coincident with the shell of the supernova remnant CTB 80 

  Araya Arguedas, Miguel; Herrera, Cristian (2021)

  CTB 80 (G69.0+2.7) is a relatively old (50–80 kyr) supernova remnant (SNR) with a complex radio morphology showing three extended radio arms and a radio and X-ray nebula near the location of the pulsar PSR B1951+32. We ...

• The Absence of Gumfoot Threads in Webs of Early Juveniles and Adult Males of Physocyclus globosus (Pholcidae) is not Associated with Spigot Morphology 

  Escalante Meza, Ignacio; Masís Calvo, Marianella (2014-11-01)

  Gumfoot threads attached to the substrate may allow spiders to retain prey. These threads were recently discovered in adult females of Pholcidae spiders, and are similar to those in Theridiidae. We report for the first ...

• Probing the origin of 4FGL J0822.8–4207: cosmic ray illumination from the SNR Puppis A and the Herbig-Haro object HH219 

  Araya Arguedas, Miguel; Gutiérrez, Luis; Kerby, Stephen (2021)

  4FGL J0822.8–4207 is a point source found in the 4FGL-DR2 catalogue by the gamma-ray observatory Fermi-LAT and has no known association. We carry out X-ray observations of 4FGL J0822.8–4207 to help understand its nature. ...

• G17.8 + 16.7: A new supernova remnant 

  Araya Arguedas, Miguel; Hurley Walker, Natasha; Quirós Araya, Sebastián (2021)

  Non-thermal radio emission is detected in the region of the gamma-ray source FHES J1723.5 − 0501. The emission has an approximately circular shape 0.8° in diameter. The observations confirm its nature as a new supernova ...

• El desarrollo Científico, Tecnológico y de Mercado del Cannabidiol (CBD) 

  Rojas Guillén, Lilliana; Varela Vásquez, Stefany; Sánchez Argüello, Melanie; Alpízar Segura, Daniel; Chacón López, Pablo (2023)

  F-GC-02 Informe de Inteligencia Competitiva y de Mercado1 Introducción Este estudio permite desarrollar inteligencia de mercado, científica y tecnológica sobre el extracto de Cannabis sativa, específicamente del ...

• Selective breeding of rats for high (HAB) and low (LAB) anxiety-related behaviour: A unique model for comorbid depression and social dysfunctions 

  Gryksa, Katharina; Schmidtner, Anna K.; Masís Calvo, Marianella; Rodríguez Villagra, Odir Antonio; Havasi, Andrea; Wirobski, Gwendolyn; Maloumby, Rodrigue; Jägle, Herbert; Bosch, Oliver J.; Slattery, David A.; Neumann, Inga D. (2023)

  Animal models of selective breeding for extremes in emotionality are a strong experimental approach to model psychopathologies. They became indispensable in order to increase our understanding of neurobiological, genetic, ...

• Fermi-LAT detection of G118.4+37.0: a supernova remnant in the Galactic halo seen around the Calvera pulsar 

  Araya Arguedas, Miguel (2023)

  The discovery of a non-thermal radio ring of low surface brightness about one degree in diameter has been recently reported around the location in the sky of the Calvera pulsar, at a high Galactic latitude. The radio ...

• Tropical easterly waves over Costa Rica and their relationship to the diurnal cycle of rainfall 

  Wiggins, Rani M.; Lintner, Benjamin R.; Serra, Yolande L.; Durán Quesada, Ana María; Garbanzo Salas, Marcial; Hernández Deckers, Daniel; Torri, Giuseppe (2023-01)

  Using an index of tropical easterly wave (TEW) activity derived from spacetime-filtered outgoing longwave radiation, we construct composites of long-term hourly surface meteorological observations and morningtime sounding ...

• Taxonomía multifásica de hongos endófitos del orden hypocreales en rubiaceae de bosque natural de Costa Rica 

  Escudero Leyva, Efraín (2023)

  Los problemas fitosanitarios relacionados al café en Latinoamérica y otras áreas en el mundo, han registrado un aumento en la frecuencia y la severidad de las enfermedades producidas por hongos como Hemileia vastatrix ó ...

• Guía de lectura de la Base de Datos para el Estudio de Inteligencia Tecnológica y Científica del Cannabidiol (CBD) 

  Varela Vásquez, Stefany; Alpízar Segura, Daniel (2023)

  El Excel cuenta con 3 hojas, donde la primera corresponde a Artículos Científicos, la segunda a Patentes y la última a CIP detalle, las cuales son las siglas para Código Internacional de Patentes. De esta manera, en cada ...

• Evaluación del hipotético sistema de falla transcurrente este-oeste de Costa Rica 

  Fernández Arce, Mario Enrique (1996)

  Se analizaron los siguientess criterios que ayudan a evaluar la existencia de un sistema de fallas mayor en la parte central de Costa Rica: configuración geologica del territorio costarricense, fallamiento, distribución ...

• Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica 

  Mardones Hidalgo, Melissa; Carranza Velázquez, Julieta; Mata Hidalgo, Milagro; Amador Fernández, Xaviera; Urbina, Hector (2023)

  Ganoderma species are well recognized by their significant role in the recycling of nutrients in ecosystems, and by their production of secondary metabolites of medical and biotechnological importance. Ganoderma spp. are ...

• Establishment of cell suspension cultures of two Costa Rican Jatropha species (Euphorbiaceae). 

  Solís Ramos, Laura Yesenia; Miranda Carballo, Laura; Valdez Melara, Marta (2013-09-01)

  J. curcas has been studied in different countries and some interesting agronomic, pharmacological and industrial properties have been reported. More recently, it has been considered an important alternative source for ...

• Micropropagation and genetic transformation of Spanish Cedar (Cedrela odorata L.): A Review 

  Porras Murrillo, Romano; Williamson Benavides, Bruce; Solís Ramos, Laura Yesenia (2019-05)

  Cedrela odorata L. (Meliaceae) is a timber tree of high economic value. Currently, this species faces serious problems due to selective cutting and environmental degradation, which together have contributed to the decline ...

• Expression analysis of two SOMATIC EMBRYOGENESIS RECEPTOR KINASE (SERK) genes during in vitro morphogenesis in Spanish cedar (Cedrela odorata L.) 

  Porras Murrillo, Romano; Andrade Torres, Antonio; Solís Ramos, Laura Yesenia (2018-11-08)

  Somatic embryogenesis (SE) is one of the most important steps during regeneration, but the molecular mechanism of SE remains unclear for Cedrela odorata. SOMATIC EMBRYOGENESIS RECEPTOR-LIKE KINASE (SERK) is one of the genes ...

• Efectos de la dieta de cafetería y del consumo voluntario de alcohol en la expresión de genes relacionados con plasticidad neuronal en el sistema de recompensa 

  Castro Murillo, Maripaz (2023)

  El aumento de la obesidad a nivel global y regional representa un problema de salud pública, dadas las complicaciones crónicas asociadas a esta condición. La obesidad es un rasgo complejo en el que intervienen factores ...

• DNA barcoding the floras of biodiversity hotspots 

  Lahaye, Renaud; van der Bank, Michelle; Bogarín Chaves, Diego Gerardo; Warner Pineda, Jorge; Pupulin, Franco; Gigot, Guillaume; Maurin, Olivier; Duthoit, Sylvie; Barraclough, Timothy; Savolainen, Vincent (2008-02-26)

  DNA barcoding is a technique in which species identification is performed by using DNA sequences from a small fragment of the genome, with the aim of contributing to a wide range of ecological and conservation ...

• Anathallis transtalamancana Karremans & Chinchilla, sp. nov. 

  Karremans Lok, Adam Philip; Chinchilla Alvarado, Isler Fabián (2020-08-18)

  The new species is similar to A. endresii (Luer) Pridgeon & M.W.Chase, but can be distinguished by the 1-2-flowered raceme (vs. 3-4-flowered), the yellowish (vs. purple), glabrous, 4.6-4.8 mm long sepals (vs. ciliate, ...

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