Biología
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Plant galls recorded from Guanacaste Conservation Area-Costa Rica as an integrated concept of a biological database
(2021-07)Galling insects are specialist herbivorous that have the ability of manipulating plant tissue to form complex biological structures called galls. Even though different organisms have the ability to induce galls in plants, ... -
The genomic basis of army ant chemosensory adaptations
(2021-09)The evolution of mass raiding has allowed army ants to become dominant arthropod predators in the tropics. Although a century of research has led to many discoveries about behavioural, morphological and physiological ... -
Burkholderia from fungus gardens of fungus-growing ants produce antifungals that inhibit the specialized parasite Escovopsis.
(2021-06)Within animal-associated microbiomes, the functional roles of specific microbial taxa are often uncharacterized. Here, we use the fungus-growing ant system, a model for microbial symbiosis, to determine the potential ... -
Genotyping and differential bacterial inhibition of Batrachochytrium dendrobatidis in threatened amphibians in Costa Rica
(2021-02-02)Amphibians have declined around the world in recent years, in parallel with the emergence of an epidermal disease called chytridiomycosis, caused by the chytrid fungus Batrachochytrium dendrobatidis (Bd). This disease has ... -
Bacteria contribute to plant secondary compound degradation in a generalist herbivore system.
(2020)Herbivores must overcome a variety of plant defenses, including coping with plant secondary compounds (PSCs). To help detoxify these defensive chemicals, several insect herbivores are known to harbor gut microbiota with ... -
Pollen Streptomyces Produce Antibiotic That Inhibits the Honey Bee Pathogen Paenibacillus larvae
(2021)Humans use natural products to treat disease; similarly, some insects use natural products produced by Actinobacteria to combat infectious pathogens. Honey bees, Apis mellifera, are ecologically and economically important ... -
Diversity of deep-sea echinoderms from Costa Rica
(2022-07-31)Echinoderms are a highly diverse group and one of the most conspicuous in the deep sea, playing ecological key roles. We present a review about the history of expeditions and studies on deep-sea echinoderms in Costa Rica, ... -
Habitat adaptation drives speciation of a Streptomyces species with distinct habitats and disparate geographic origins
(2022-01-11)Microbial diversification is driven by geographic and ecological factors, but how the relative importance of these factors varies among species, geographic scales, and habitats remains unclear. Streptomyces, a genus of ... -
The roles of growth regulation and appendage patterning genes in the morphogenesis of treehopper pronota.
(2022-06)Treehoppers of the insect family Membracidae have evolved enlarged and elaborate pronotal structures, which is hypothesized to involve co-opted expression of genes that are shared with the wings. Here, we investigate the ... -
A New Masdevallia (Pleurothallidinae: Orchidaceae) from the White-Sand Forests of the Central Amazon, Brazil
(2022-03-21)Masdevallia britoi, a new species in Masdevallia sect. Minutae, is described and illustrated from the central Amazon in Brazil. It is similar to M. wendlaniana but differs by shorter sepals that are internally white, shorter ... -
A new species and a new record of Malaxis (Malaxidinae) from Costa Rica
(2022-04-25)We describe and illustrate a new species and a new record of Malaxis from the lower montane and montane forests of Costa Rica. Taxonomic descriptions, illustrations, distribution maps, and conservation assessments are ... -
Micromorfología de los foliolos de pejibaye Bactris gasipaes (Arecaceae) var. Diamantes-10
(2016-07-01)Bactris gasipaes se cultiva ampliamente para el aprovechamiento del palmito y el consumo de los frutos En este trabajo se realizó una descripción de las características micro morfológicas de los foliolos de plantas ... -
Bosques de coral negro del Área de Conservación Guanacaste, Costa Rica: especies y distribución
(2021-09-06)Introduction: Little is known about the antipatharians in Costa Rica, only three species are known from the Pacific and the occurrence of coral forests was previously reported only for Isla del Coco. Black ... -
Distribución del pez sierra de dientes grandes (Pristis pristis) en Costa Rica: reconstrucción histórica y actual mediante métodos tradicionales y ADN ambiental
(2021)The Critically Endangered largetooth sawfish Pristis pristis is one of the most threatened elasmobranch species and is currently thought to be locally extinct in at least 27 countries. Although largetooth sawfish information ... -
Web building behavior in a wall spider (Oecobiidae) suggests a close relationship with orb-weavers
(2022)Behavior is often phylogenetically informative and detailed descriptions of behavior have been used to support taxonomic relationships in several groups, such as birds, lizards, and arthropods. Web building behavior has ... -
The predictive power of pollination syndromes: Passerine pollination in heterantherous Meriania macrophylla (Benth.) Triana (Melastomataceae)
(2021)The cloud forest species Meriania macrophylla (Benth.) Triana has pseudocampanu- late flowers with bulbous stamen appendages, typical for the passerine pollination syndrome found in the Melastomataceae tribe Merianieae. ... -
Avistamientos de Orcinus orca (Linnaeus, 1758) (Cetartiodactyla: Odontoceti: Delphinidae) en el Pacífico costarricense (1990-2020)
(2021-09)Las orcas son cetáceos poco estudiados en el trópico, y sus desplazamientos por aguas costarricenses han sido escasamente abordados. Son animales de gran importancia ecológica debido a su rol como depredadores top, y ... -
Algoritmos de aprendizaje automático en la identificación de miARNS potencialmente asociados a discapacidades intelectuales no sindrómicas
(2022-05-20)Las Discapacidades intelectuales (IDs) son un grupo de trastornos del neuro-desarrollo con una alta heterogeneidad fenotípica y genotípica. La asociación de elementos genéticos, como genes, micro-ARNs o ARNs largos no ... -
Typification of Costa Rican Orchidaceae described by Rudolf Schlechter. Species variorum collectorum
(2022-04)The typification of 53 orchid species described by Rudolf Schlechter based on specimens gathered in Costa Rica by Paul (Pablo) Biolley, Juan José Cooper Sandoval, Auguste R. Endrés, Carl Hoffmann, Emel Jiménez Segura, Otón ... -
Evaluación del hábitat, comportamiento y riesgo de las tropas de monos congo (Alouatta palliata) en búsqueda de la sostenibilidad con fines turísticos, en Playa Hermosa, Guanacaste
(2022-04-06)El hábitat de una especie debe mantenerse en condiciones esenciales para su sobrevivencia. Estas condiciones corresponden a elementos como los son la cobertura forestal, alimento, agua, condiciones climáticas, pendientes ...
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