Navegação Ciências Biológicas por Título
Resultados 844-863 de 3081
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Drivers of bromeliad leaf and floral bract variation across a latitudinal gradient in the Atlantic Forest
(2020) [Artigo de periódico]Aim: Understanding the complex interaction and relative contributions of factors involved in species and trait diversification is crucial to gain insights into the evolution of Neotropical biodiversity. Here, we investigated ... -
Drivers of nest survival in the Tawny-bellied Seedeater Sporophila hypoxantha (Aves: Thraupidae) : time-specific factors are more related to success than ecological variables
(2021) [Artigo de periódico]Tawny-bellied Seedeater (Sporophila hypoxantha) is an endangered (in Brazil) grassland dependent species, whose breeding success remains poorly known hampering conservation measures on its breeding grounds. Here we analyze ... -
Drosophila relics hobo and hobo-MITEs transposons as raw material for new regulatory networks
(2018) [Artigo de periódico]Hypermutable strains of Drosophila simulans have been studied for 20 years. Several mutants were isolated and characterized, some of which had phenotypes associated with alteration in development; for example, showing ... -
Drosophilidae (Diptera) associated to fungi : differential use of resources in anthropic and Atlantic Rain Forest areas
(2009) [Artigo de periódico]Foi realizado um estudo das espécies de Drosophilidae associadas aos corpos de frutificação de fungos em ambientes florestais e antrópicos no Bioma Mata Atlântica, no sul e sudeste do Brasil. Foram realizadas coletas de ... -
Drosophilids (Diptera) from an Atlantic Forest area in Santa Catarina, southern Brazil
(2008) [Artigo de periódico]O presente estudo tem como objetivo conhecer a composição da fauna de drosofilídeos em áreas de floresta no sul do Brasil. Além disso, a estimativa da riqueza de espécies desta fauna é brevemente discutida. As amostras ... -
Drug repositioning applied to cardiovascular disease in Mucopolysaccharidosis
(2022) [Artigo de periódico]Mucopolysaccharidoses (MPS) are genetic metabolic diseases characterized by defects in the activity of lysosomal hydrolases. In MPS, secondary cell disturbance affects pathways related to cardiovascular disorders. Hence, ... -
Drug trials for treatment of human angiostrongyliasis
(2003) [Artigo de periódico]Angiostrongilíase abdominal e cerebral são duas infecções importantes produzidas por metastrongilídeos, a primeira delas ocorrendo nas Américas Central e do Sul e a segunda, na Ásia e Ilhas do Pacífico. O tratamento é ... -
As duas epistemes de Balduíno Rambo
(1997) [Artigo de periódico] -
Dynamic amyloid and metabolic signatures of delayed recall performance within the clinical spectrum of Alzheimer’s disease
(2023) [Artigo de periódico]Associations between pathophysiological events and cognitive measures provide insights regarding brain networks affected during the clinical progression of Alzheimer’s disease (AD). In this study, we assessed patients’ ... -
Dynamic and resuspension by waves and sedimentation pattern definition in low energy environments Guaíba Lakes (Brazil).
(2013) [Artigo de periódico]Little research has been undertaken into sediment dynamics in lakes, and most of it only analyses particular aspects such as the texture of the sediments. In this study, the characteristics of the wave field in Guaíba Lake ... -
Dynamics and modulation of synaptic transmission in the mammalian CNS
(2019) [Texto de apresentação/encerramento] -
Dynamics of gonadal development of Aegla platensis Schmitt (Decapoda, Anomura, Aeglidae)
(2006) [Artigo de periódico]Uma maneira de estimar o desenvolvimento gonadal ao longo do ciclo reprodutivo é observar o crescimento das gônadas em relação aos órgãos utilizados para o estoque de energia. O objetivo desse estudo foi acompanhar os ... -
Dysfunctional purinergic signaling correlates with disease severity in COVID-19 patients
(2022) [Artigo de periódico]Ectonucleotidases modulate inflammatory responses by balancing extracellular ATP and adenosine (ADO) and might be involved in COVID-19 immunopathogenesis. Here, we explored the contribution of extracellular nucleotide ... -
Dysphagia : an overview
(2023) [Texto de apresentação/encerramento] -
Dyspharynx nasuta (Nematoda: Acuariidae) em Guira guira e Crotophaga ani (Cuculiformes: Cuculidae) no Estado do Rio Grande do Sul, Brasil
(2009) [Artigo de periódico]Os nematóides do gênero Dispharynx (Railliet, Henry & Sisoff, 1912) parasitam aves de diversas ordens e têm sido estudados, principalmente, em aves de importância econômica devido às lesões que provocam no proventrículo ... -
Early effects of LPS-induced neuroinflammation on the rat hippocampal glycolytic pathway
(2022) [Artigo de periódico]Neuroinflammation is a common feature during the development of neurological disorders and neurodegenerative diseases, where glial cells, such as microglia and astrocytes, play key roles in the activation and maintenance ... -
Early life stress interacts with the diet deficiency of Omega-3 fatty acids during the life course increasing the metabolic vulnerability in adult rats
(2013) [Artigo de periódico]Early stress can cause metabolic disorders in adulthood. Omega-3 polyunsaturated fatty acids (n-3 PUFAs) deficiency has also been linked to the development of metabolic disorders. The aim of this study was to assess whether ... -
Echinococcus granulosus antigen b structure : subunit composition and oligomeric states
(2012) [Artigo de periódico] -
Echinococcus granulosus sensu lato and Taenia hydatigena in pig in southern Brazil
(2015) [Artigo de periódico]This study aimed to identify the parasitical etiologic agents of visceral cysts in pigs from the central/northern region of Rio Grande do Sul State, Brazil. Fifty-eight cysts were found in livers during veterinary inspection ... -
Echinoderms from Santa Catarina, southern Brazil: an update on biodiversity and distribution
(2019) [Artigo de periódico]We provide an update, based on literature records, on biodiversity and distribution of echinoderms along the state of Santa Catarina, Brazil. Sixty-one echinoderms taxa are reported, in 36 families. We present information ...