Biología
Browse by
Recent Submissions
-
Selective breeding of rats for high (HAB) and low (LAB) anxiety-related behaviour: A unique model for comorbid depression and social dysfunctions
(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, ... -
Taxonomía multifásica de hongos endófitos del orden hypocreales en rubiaceae de bosque natural de Costa Rica
(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 ... -
Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica
(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).
(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
(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.)
(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
(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
(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.
(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, ... -
Role of arbuscular mycorrhizal symbiosis in remediation of anthropogenic soil pollution
(2021-05)Agricultural and industrial activity generates high concentrations of organic and inorganic pollutants, many of which are incorporated into the trophic chain, affecting ecosystems. There are several strategies for the ... -
Sarcoglottis C.Presl
(2022-12)The genus Sarcoglottis was named in 1827 by Czech botanist Carl Borivoj Presl, a professor at the University of Prague. The name comes from the Greek sarkos, meaning flesh, and glotta, tongue, in reference to the texture ... -
Habenaria Willd.
(2022-12)The genus Habenaria was named in 1805 by the famous German botanist, dendrologist, and pharmacist Carl Ludwig Willdenow, a professor at the University of Berlin, member of the Berlin Academy of Sciences and director of the ... -
Goodyera R.Br.
(2022-12-01)The genus Goodyera was named in 1813 by leading Scottish botanist Robert Brown, who was director of the botany department of the British Museum, and president of the Linnaean Society of London. The name honors the English ... -
Columnea blancoi (Gesneriaceae), a new species from the central Pacific region of Costa Rica
(2023-06)We describe and illustrate a new species of Columnea from the Central Pacific region of Costa Rica. Columnea blancoi sp. nov. is morphologically similar to Columnea canarina, from Panama which it can be distinguished by ... -
Composición florística de la regeneración natural de un bosque muy húmedo premontano en Poás, Costa Rica
(2023-02)Introduction: Natural restoration is a low cost and nature-based way to restore part of habitats degraded by deforestation. Objective: To document the floristic composition of a regenerating vegetation fragment of very ... -
Genetic diversity analysis of jatropha species from Costa Rica using AFLP markers
(2015)The genetic diversity from species of the genus Jatropha collected from Costa Rica was analyzed by AFLP (amplified fragments length polymorphism). The study consisted of 114 accessions from 15 populations of 4 different ... -
Convergent evolution of floral signals underlies the success of Neotropical orchids
(2013-08)The great majority of plant species in the tropics require animals to achieve pollination, but the exact role of floral signals in attraction of animal pollinators is often debated. Many plants provide a floral reward to ... -
Joaquín Bernardo García Castro, 1944-2001
(2002-04)No nos recuperábamos del pesar causado por la muerte de la ex directora del Jardín Botánico Lankester, Dora Emilia Mora-Retana, cuando recibimos con gran dolor la noticia del fallecimiento de su gran amigo colaborador, el ... -
Vitamin E and carotenoid profiles in leaves, stems, petioles and flowers of stinging nettle (Urtica leptophylla Kunth) from Cost Rica
(2022-05)BACKGROUND: Local leafy vegetables are gaining attention as affordable sources of micronutrients, including vitamins, pro-vitamin carotenoids and other bioactive compounds. Stinging nettles (Urtica spp.) are used as source ... -
Flora introduced and naturalized in Central America
(2022)Successful control and prevention of biological invasions depend on identifying the sources, vectors, and pathways that are more likely to originate new invasions. Within this context, updated local and regional checklists ...