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Alta capacidad de autofecundación y baja visitación de polinizadores en la epífita polinizada por colibríes Pitcairnia heterophylla (Bromeliaceae) en un bosque montano en Costa Rica
High selfing capability and low pollinator visitation in the hummingbird-pollinated epiphyte Pitcairnia heterophylla (Bromeliaceae) at a Costa Rican mountain forest
(2017)
La subfamilia Pitcairnioideae es la segunda más diversa de las bromelias (Bromeliaceae), un grupo exclusivo de la región Neotropical. Las bromelias pitcairnioideas poseen rasgos florales que se asume promueven el exo-cruzamiento ...
Regeneración de la vegetación arbórea en una pequeña reserva forestal urbana del nivel premontano húmedo, Costa Rica
(Rev. Biol. Trop., 44(2): 575-580,1996, 1996)
The tropical premontane moist forest is one of the most destructed Iife zones in Costa Rica. For such regions, a small natural preserve system has been proposed. An inventory of trees greater ...
New species of Potamocoris Hungerford (Heteroptera, Potamocoridae) from Costa Rica and a key to the species
(2014)
A new potamocorid species, Potamocoris sitesi NEW SPECIES, with its two wing morphs (coleopteroid and macropterous) are described from Costa Rica. Descriptions are supported with photographs and illustrations. Parameres ...
Uso de la cianobacteria Nostoc muscorum como biofertilizante y sus efectos tanto en el desarrollo del frijol (Phaseolus vulgaris) como en las características del suelo en condiciones de invernadero
(2022-11-22)
Nostoc muscorum es una cianobacteria filamentosa que presenta estructuras especializadas
llamadas heterocistes, que le permite convertir el nitrógeno molecular atmosférico a formas
disponibles como amonio. En entornos ...
III Congreso Latinoamericano de Equinodermos, Costa Rica
(2017)
The third Latin American Echinoderm Congress was organized in San José, Costa Rica, from 18 to 22 July,
at the University of Costa Rica, by the Centro de Investigacion en Ciencas del Mar y Limnologia, and by
the Biology ...
Fungal Communities in Sediments Along a Depth Gradient in the Eastern Tropical Pacific
(2020-11-06)
Deep waters represent the largest biome on Earth and the largest ecosystem of Costa Rica. Fungi play a fundamental role in global biogeochemical cycling in marine sediments, yet, they remain little explored. We studied ...
On Maxillaria bomboizensis and Camaridium carinatum (Orchidaceae)
(2007-06-01)
Maxillaria bomboizensis is synonymized under Camaridium carinatum. Two previously published combinations based on Maxillaria bomboizensis (Camaridium bomboizense and Sauvetrea bomboizensis) are invalid. A complete synonymy ...
Reverse Transcription Errors and RNA-DNA Differences at Short Tandem Repeats
(2016-07-12)
Transcript variation has important implications for organismal function in health and disease. Most transcriptome studies focus on assessing variation in gene expression levels and isoform representation. Variation at the ...
The clerodane diterpene casearin J induces apoptosis of T-ALL cells through SERCA inhibition, oxidative stress, and interference with Notch1 signaling
(2016-01-28)
T-cell acute lymphoblastic leukemia (T-ALL) is an aggressive hematologic malignancy that preferentially affects children and adolescents. Over 50% of human T-ALLs possess activating mutations of Notch1. The clerodane ...