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Linajes de Trypanosoma cruzi en pacientes con enfermedad de Chagas y coinfección por VIH [PDF]

open access: yes, 2009
Introducción. Las poblaciones naturales de T. cruzi han sido clasificadas en seis linajes filogenéticos o unidades de tipificación discreta: T. cruzi I, IIa, IIb, IIc, IId y IIe, que pueden jugar un rol en el tropismo tisular y patogénesis de la ...
Altcheh, Jaime Marcelo   +11 more
core  

Analysis of Gene Expression in Aedes aegypti Suggests Changes in Early Genetic Control of Mosquito Development

open access: yesJournal of Experimental Zoology Part B: Molecular and Developmental Evolution, EarlyView.
ABSTRACT Aedes aegypti, a critical vector for tropical diseases, poses significant challenges for studying its embryogenesis due to difficulties in removing its rigid chorion and achieving effective fixation for in situ hybridization. Here, we present novel methodologies for fixation, dechorionation, DAPI staining, and in situ hybridization, enabling ...
Renata Coutinho‐dos‐Santos   +8 more
wiley   +1 more source

Desempeño del Kit ELISA Chagas IICS V.1 para el diagnóstico de la enfermedad de Chagas

open access: yesMemorias del Instituto de Investigaciones en Ciencias de la Salud, 2016
En Paraguay, el tamizaje serológico para la enfermedad de Chagas en bancos de sangre es necesario, por lo cual es importante un método diagnóstico con alta sensibilidad.
Laura Aria   +5 more
doaj  

Epidemia de dengue em Fortaleza, Ceará: inquérito soro-epidemiológico aleatório

open access: yesRevista de Saúde Pública, 1998
OBJETIVO: Seguindo-se à epidemia de dengue (DEN), em 1994, em Fortaleza, Ceará, causada pelo sorotipo 2 (DEN-2), realizou-se inquérito soro-epidemiológico aleatório para avaliar e dimensionar o impacto da mesma e a prevalência do dengue por distrito ...
Pedro F. C. Vasconcelos   +7 more
doaj   +1 more source

Moderate Fire Temperatures Affect the Structure of Clayey Oxisol Aggregates

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Wildfires have become increasingly frequent and intense worldwide, raising concerns about their impacts on soil systems. However, the thermal responses of clay‐rich Oxisols, dominated by Fe and Al oxides, remain poorly understood. In this study, samples from the 0 to 5 cm layer of six Oxisols were subjected to controlled heating at ...
Yasmmin Tadeu Costa   +5 more
wiley   +1 more source

Miradas Caleidoscópicas sobre el Chagas. Una experiencia educativa en el Museo de La Plata

open access: yesRevista Eureka sobre Enseñanza y Divulgación de las Ciencias, 2012
Presentamos resultados y reflexiones en torno a la experiencia "Semana del Chagas en el Museo de La Plata" (La Plata, Provincia de Buenos Aires, Argentina) realizada en mayo de 2011. La propuesta tuvo como objetivo la difusión y sensibilización acerca de
Mariana Sanmartino   +4 more
doaj  

Contribution of microscopy for understanding the mechanism of action against trypanosomatids [PDF]

open access: yes, 2018
Transmission electron microscopy (TEM) has proved to be a useful tool to study the ultrastructural alterations and the target organelles of new antitrypanosomatid drugs.
A Martinez-Palomo   +90 more
core   +1 more source

Simulating climate change scenarios established by the Intergovernmental Panel on Climate Change in aquatic mesocosms

open access: yesLimnology and Oceanography: Methods, EarlyView.
Abstract Climate change poses a major threat to ecosystems worldwide, with temperature changes being a key driver of ecological disruption in aquatic environments due to the limited ability of many aquatic species to relocate in response. Despite advances in aquatic experimental approaches to temperature control, most studies rely on simplified warming
Tauany Rodrigues   +5 more
wiley   +1 more source

Repurposing of terconazole as an anti Trypanosoma cruzi agent [PDF]

open access: yes, 2019
Trypanosoma cruzi is the causative agent of Chagas disease, a parasitic infection endemic in Latin America. Currently there are no effective treatments for the chronic phase of the disease, when most patients are diagnosed, therefore the development of ...
Martínez Sayé, Melisa Soledad   +4 more
core   +1 more source

Taxonomic treatment, geographic distribution and preliminar conservation status of Croton sect. Barhamia subsect. Barhamia (Euphorbiaceae) in Brazil

open access: yesNordic Journal of Botany, EarlyView.
The genus Croton (Euphorbiaceae) is an exceptionally megadiverse genus, encompassing roughly 1200 species that are predominantly distributed across tropical regions globally. For the New World, the genus is organized into three subgenera (Adenophylli, Geiseleria and Quadrilobi) and 31 sections, with C. sect. Barhamia standing out with its approximately
Nicolas Giovanny Burilli   +2 more
wiley   +1 more source

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