Results: 84

Can sexual transmission support the enzootic cycle of Trypanosoma cruzi?

Mem. Inst. Oswaldo Cruz; 113 (1), 2018
BACKGROUND Trypanosoma cruzi circulates in sylvatic habitats, mainly through blood-feeding triatomines, although other routes also contribute to its dispersion. Sexual transmission of T. cruzi is an understudied topic, especially among wild mammals. Because of the difficulties inherent to field work, exp...

Trypanosoma cruzi transcriptome during axenic epimastigote growth curve

Mem. Inst. Oswaldo Cruz; 113 (5), 2018
BACKGROUND Trypanosoma cruzi is an important protozoan parasite and the causative agent of Chagas disease. A critical step in understanding T. cruzi biology is the study of cellular and molecular features exhibited during its growth curve. OBJECTIVES We aimed to acquire a global view of the gene expres...

Age and growth of the Amazonian migratory catfish Brachyplatystoma rousseauxii in the Madeira River basin before the construction of dams

Neotrop. ichthyol; 16 (1), 2018
The goliath catfish Brachyplatystoma rousseauxii has crucial economical and ecological functions in the Amazon basin. Although its life history characteristics have been studied in the Amazon, there is little information in the Madeira River basin, which holds genetically distinct populations and where d...

Is subjective social status a summary of life-course socioeconomic position?

Very little is known about the association between objective indicators of socioeconomic position in childhood and adolescence and low subjective social status in adult life, after adjusting for adult socioeconomic position. We used baseline data (2008-2010) from the Brazilian Longitudinal Study of Adult...

A thermodynamic paradigm for using satellite based geophysical measurements in public health applications

A thermodynamic paradigm for studying disease vector’s habitats & life cycles using NASA’s remote sensing data is being proposed. NASA’s current and planned satellite missions provide measurements of the critical environmental measures environmental state functions important to vector & disease lif...

No terceiro número da Phenomenological Studies apresentamos ao leitor um Dossiê com uma temática inédita [Editorial]
In the third issue of Phenomenological Studies we present to the reader a Dossier with an unprecedented theme [Editorial]

No terceiro número da Phenomenological Studies apresentamos ao leitor um Dossiê com uma temática inédita. O dossiê traz diversos estudos sobre a "Fenomenologia das Idades da Vida" destacando, em especial, a fase da infância, adolescência e juventude. A "Vida" é um fenômeno surpreendente, mister...

First record of Craspedacusta sowerbii Lankester, 1880 (Hydrozoa, Limnomedusae) in a natural freshwater lagoon of Uruguay, with notes on polyp stage in captivity

Braz. j. biol; 77 (4), 2017
Abstract The freshwater cnidarian Craspedacusta sowerbii Lankester 1880, has invaded lakes and ponds as well as artificial water bodies throughout the world. The first record in Uruguay corresponding to the jellyfish was made in 1961 in two artificial fountains, with no mention of the polyp form. Althoug...

Rede de apoio social e funcionamento familiar: estudo longitudinal sobre famílias em vulnerabilidade social

Pensando fam; 21 (1), 2017
Este estudo tem o objetivo de verificar se a qualidade da rede de apoio social dos cuidadores das famílias influencia longitudinalmente o funcionamento familiar. Os dados utilizados são parte de uma pesquisa mais ampla, que acompanhou 148 famílias de Porto Alegre por 15 anos. Para este estudo, foram u...

Selection of prey to improve biological parameters of the predator Podisus nigrispinus (Dallas, 1851) (Hemiptera: Pentatomidae) in laboratory conditions

Braz. j. biol; 76 (2), 2016
Abstract Mass production of predatory stinkbugs in the laboratory is prioritized to release them into the field as part of IPM programs. Therefore, the aim of this study was to identify the best prey for rearing the predator Podisus nigrispinus (Dallas, 1851) (Hemiptera: Pentatomidae) among five differen...