Results: 1749

Alteración del ácido siálico eritrocitario por efecto de Trichinella spiralis aplicando el método de Azul Alcian

Actualmente se reconoce que los ácidos siálicos están involucrados en múltiples funciones biológicas y que tienen un papel importante en la interacción parásito-hospedador. El objetivo del trabajo fue estudiar la alteración del ácido siálico eritrocitario por efecto de T. spiralis aplicando el ...

Toxocara canis en humanos, perros y suelos en ribera del Río de la Plata, provincia de Buenos Aires

El objetivo de este trabajo fue describir la situación epidemiológica de toxocariosis en un hábitat ribereño. Se determinaron anticuerpos anti-toxocara por ELISA en sueros de 34 niños y 64 adultos, y se hallaron seroprevalencias de 32,3% y 45,3%, respectivamente. Esta fue alta en adultos y en niños...

Correlation between the values of circulating blood elements with the size of spleen in the presence of schistosomal splenomegaly

Acta cir. bras; 33 (12), 2018
Abstract Purpose: To evaluate a possible relationship between the size of the spleen and values of circulating blood elements in patients with schistosomatic splenomegaly. Methods: ixty one patients with hepatosplenic schistosomiasis mansoni underwent a clinical exam and peripheral venous blood was co...

Oviposition of fruit flies (Diptera: Tephritidae) and its relation with the pericarp of citrus fruits

Braz. j. biol; 78 (3), 2018
Abstract Fruit flies (Diptera: Tephritidae) represent a threat to fruit growing worldwide, mainly the citrus culture, however, biological studies show that fruit flies are not perfectly adapted to this host. This study investigated oviposition of Anastrepha fraterculus (Wiedemann, 1830) and Ceratitis cap...

Intestinal parasites in cancer patients in the South of Brazil

Braz. j. biol; 78 (3), 2018
Abstract Intestinal parasitic infections in immunocompromised patients can lead to serious complications when not diagnosed and treated early. This study aimed to investigate the frequency of intestinal parasites in cancer patients undergoing chemotherapy in the South of Brazil. Three fecal samples colle...

Potential of endophytic fungi as biocontrol agents of Duponchelia fovealis (Zeller) (Lepidoptera: Crambidae)

Braz. j. biol; 78 (3), 2018
Abstract This study reports the first assessment of endophytic fungi isolated from strawberry leaves and selection of isolates for the control of Duponchelia fovealis, a new pest of strawberries. A total of 400 strawberry leaves of the cultivar 'Albion' were collected in four commercial farms. Leaves wer...

Metazoan parasites of the lambari Astyanax altiparanae collected in the Batalha River, State of São Paulo, Brazil

Braz. j. biol; 78 (3), 2018
Abstract Here we conduct a qualitative and quantitative analysis of ectoparasites and endoparasites of Astyanax altiparanae (Garutti & Britski, 2000), popularly known as lambari-do-rabo-amarelo collected from the Batalha River, State of São Paulo, Brazil. Of the 67 specimens of A. altiparanae, 52 we...

Gill metazoan parasites of the spotted goatfish Pseudupeneus maculatus (Ostheichthyes: Mullidae) from the Coast of Pernambuco, northeastern Brazil

Braz. j. biol; 78 (3), 2018
Abstract This study evaluated the parasite fauna on the gills of spotted goatfish Pseudupeneus maculatus captured in the dry and rainy seasons in the coast of the State of Pernambuco, Brazil. Eight parasite species were identified belonging to the following taxa: Monogenea (Haliotrema caraïbensis, Halio...

The life cycle of Neotropical ground beetle, Abaris basistriata (Coleoptera: Carabidae) reared on different substrates

Braz. j. biol; 78 (3), 2018
Abstract Carabids are recognized worldwide as biological control agents of agricultural pests. The objective was to compare the life cycle of Abaris basistriata Chaudoir (Coleoptera: Carabidae) on three substrates: soil, fine vermiculite, or paper napkins. The biological cycle of A. basistriata presented...

Ácaros del género Demodex: ¿parásitos colonizadores de personas sanas o asociados a patología ocular?

Rev. argent. microbiol; 50 (4), 2018
Las especies Demodex folliculorum y Demodexbrevis, responsables de la demodicosis humana, afectan la piel y en ocasiones están vinculadas con afecciones oculares. El objetivo de este trabajo fue conocer si existe asociación significativa entre la presencia del ácaro y de patologías palpebrales, y el ...