Buscar
Mostrando ítems 71-80 de 314
Revisión taxonómica del grupo Haplothrips-Karnyothrips (Thysanoptera: Phlaeothripidae)
(Rev. Biol. Trop. (Int. J. Trop. Biol.), v. 55, n. 2, 2007, 2007)
Se revisa el estado taxonómico del grupo Haplothrips y al mismo tiempo del grupo Karnyothrips, separándose este en varios nuevos géneros por considerarse parafilético; se describen los nuevos géneros Vargasia, Willeia y ...
Snakebite mortality in Costa Rica
(1997-11)
The mortality rate due to snakebite envenomation in Costa Rica was estimated from 1952 to 1993. The highest mortality was observed during the 1950s and 1960s, with the highest rate of 4.83 per 100,000 population in 1953. ...
Myxomycete diversity in Costa Rica
(2018-04)
An updated analysis of myxomycete diversity in Costa Rica is provided herein as a product of
an extensive data mining-based study intended to normalize the information on myxomycetes from
that country. Within the context ...
Inflammatory infiltrate in skeletal muscle injected with Bothrops asper venom
(1986)
The time-course and composition of inflammatory infiltrate in mouse gastrocnemius injected with Bothrops asper venom was studied. The venom induced myonecrosis, and a prominent decrease in muscle levels of creatine kinase ...
Trastornos del neurodesarrollo (síndrome X frágil) y neurodegenerativos (síndrome de temblor/ataxia) asociados al ‘crecimiento’ de un gen
(Revista de Neurología 40 (7) p. 431-437, 2005-04-01)
To present the latest findings on fragile X syndrome, the first genetic disorder identified to be caused by a new type of mutation called trinucleotide repeat expansion. Development. Fragile X syndrome is the most common ...
Why myotoxin-containing snake venoms possess powerful nucleotidases?
(2013-01-25)
The venom of the snake Bothrops asper causes muscle necrosis, pain and inflammation. This venom contains myotoxins which cause an increase in intracellular Ca2+ concentration and release of K+ and ATP from myotubes. ATP ...
Analysis of Phalaenopsis Bud Length during Meiosis to Predict Pollen Fertility
(2017-03)
Phalaenopsis orchids are a very important commercial crop in tropical countries. Nonetheless hybrids feature variations in pollen fertility due to widespread chromosomal rearrangements in meiotic chromosomes. Usually each ...
Richness of cultivable endophytic fungi along an altitudinal gradient in wet forests of Costa Rica
(2016-04)
We collected various plant species along an altitudinal gradient ranging from 400 to 2900 m in tropical wet forests of Costa Rica, isolated the associated endophytic fungi, and performed bioinformatic analyses to determine ...
Afrocostarricense y comunista. Harold Nichols y su actividad política en Costa Rica
(2008)
En este artículo, se analiza el caso de Harold Nichols, el único
afrocostarricense que, en la década de 1930, colaboró activamente con el
Partido Comunista de Costa Rica. La experiencia de este militante permite
explorar ...
Neutralization of Bothrops asper venom by antibodies, natural products, and synthetic drugs: contributions to understanding snakebite envenomings and their treatment
(2009)
Interest in studies on the neutralization of snake venoms and toxins by diverse types of
inhibitors is two-fold. From an applied perspective, results enclose the potential to be
translated into useful therapeutic products ...