Navegação Ciências Biológicas por Título
Resultados 2494-2513 de 3044
-
Revision of the genus Macropsobrycon Eigenmann, 1915 (Characidae: Cheirodontinae : Compsurini)
(2011) [Artigo de periódico]O gênero Macropsobrycon de Cheirodontinae é redefinido e considerado monotípico. A espécie-tipo, M. uruguayanae, é redescrita com base em amostras de toda a distribuição geográfica conhecida da espécie. Caracteres de ... -
Revisiting the dimensionality of biological diversity
(2020) [Artigo de periódico] -
Revista Em Questão : uma análise da sua trajetória a partir dos critérios Qualis : 2003-2012
(2015) [Artigo de periódico]Este artigo apresenta a avaliação do desempenho da revista Em Questão com base nos critérios Qualis no período de 2003 a 2012. A metodologia é qualiquantitativa e o corpus da pesquisa foi composto por artigos, editoriais ... -
RFMirTarget : predicting human microRNA target genes with a random forest classifier
(2013) [Artigo de periódico]MicroRNAs are key regulators of eukaryotic gene expression whose fundamental role has already been identified in many cell pathways. The correct identification of miRNAs targets is still a major challenge in bioinformatics ... -
Rhinoleucophenga joaquina sp. nov. (Diptera: Drosophilidae) from the Neotropical Region
(2009) [Artigo de periódico]O gênero Rhinoleucophenga Hendel compreende 18 espécies nominais e possui distribuição Neotropical e Neártica. Uma nova espécie foi encontrada em coleta realizada em Florianópolis, SC, e é descrita como Rhinoleucophenga ... -
Rhipicephalus sanguineus (acari: ixodidae) biting a human being in Porto Alegre city, Rio Grande do Sul, Brazil
(2016) [Artigo de periódico]We report the finding of a female brown dog tick, Rhipicephalus sanguineus (Acari: Ixodidae) on the scalp of a male patient in Porto Alegre, Rio Grande do Sul, Brazil. Human parasitism by this tick is rare and has seldomly ... -
Ribeiro's typology, genomes, and Spanish colonialism, as viewed from Gran Canaria and Colombia
(2004) [Artigo de periódico]Four biallelic and six multiallelic Y-chromosome polymorphisms were investigated in 59 Gran Canarian, 60 North African Berber and 46 Spanish subjects. These new data were merged with equivalent literature information to ... -
Rideriana amazonica gen. nov. and sp. nov. and sp. nov. of Pentatomini (Heteroptera, Pentatomidae)
(2003) [Artigo de periódico]A new Neotropical genus Rideriana gen. nov. is proposed to include R. amazonica sp. nov., from Cuzco (Peru), Acre (Brazil) and La Paz (Bolivia). -
Riluzole stimulates BDNF release from human platelets
(2015) [Artigo de periódico]Brain-derived neurotrophic factor (BDNF) has several functions in the central nervous system, where it contributes to brain development and its functionality through affecting neuronal survival and activity and also ... -
Riparian degradation, stream position in watershed, and proximity to towns facilitate invasion by Hedychium coronarium
(2020) [Artigo de periódico]Hedychium coronarium is an invasive plant widespread in the Brazilian Atlantic forest, especially in riparian areas. However, its distribution along streams is not continuous and the factors that are related to its local ... -
Rising rural body-mass index is the main driver of the global obesity epidemic in adults
(2019) [Artigo de periódico]Body-mass index (BMI) has increased steadily in most countries in parallel with a rise in the proportion of the population who live in cities. This has led to a widely reported view that urbanization is one of the most ... -
Risk factors for infection with different hepatitis C virus genotypes in southern Brazil
(2012) [Artigo de periódico]Objectives. To investigate the proportion of different genotypes in countryside microregions in southern Brazil, and their association with risk factors. Methods. Cross-sectional study including a convenience sample of ... -
Risks of long-term port use in enzyme replacement therapy for lysosomal storage disorders
(2017) [Artigo de periódico]Totally implantable vascular access devices (TIVADs) are commonly used in conjunction with enzyme replacement therapy (ERT) for lysosomal storage disorders (LSDs). This case series describes potential complications associated ... -
Risk variants and polygenic architecture of disruptive behavior disorders in the context of attention-deficit/hyperactivity disorder
(2021) [Artigo de periódico]Attention-Deficit/Hyperactivity Disorder (ADHD) is a childhood psychiatric disorder often comorbid with disruptive behavior disorders (DBDs). Here, we report a GWAS meta-analysis of ADHD comorbid with DBDs (ADHD + DBDs) ... -
A role for adeno-associated viral vectors in gene therapy
(2008) [Artigo de periódico]Gene therapy constitutes a therapeutic intervention based on modification of the genetic material of living cells, by correcting genetic defects or overexpressing therapeutic proteins. The success of gene therapy protocols ... -
A role for neurotransmission and neurodevelopment in attention-deficit/hyperactivity disorder
(2009) [Artigo de periódico]Attention-deficit/hyperactivity disorder (ADHD) has a moderate to high genetic component, probably due to many genes with small effects. Several susceptibility genes have been suggested on the basis of hypotheses that ... -
Role of ferritin in the rice tolerance to iron overload
(2009) [Artigo de periódico]Deficiência de ferro (Fe) ocorre freqüentemente em plantas, uma vez que este mineral é pouco disponível em condições aeróbicas. Plantas de arroz cultivadas sob alagamento, no entanto, estão sujeitas ao excesso de Fe, que ... -
Role of gut microbiota in infectious and inflammatory diseases
(2023) [Artigo de periódico]Thousands of microorganisms compose the human gut microbiota, fighting pathogens in infectious diseases and inhibiting or inducing inflammation in different immunological contexts. The gut microbiome is a dynamic and complex ... -
RT-PCR for detection on bovine parainfluenza virus type 3 (bPIV-3)
(2008) [Artigo de periódico]A técnica de RT-PCR tem sido freqüentemente utilizada para a detecção do vírus parainfluenza humano tipo 3 (hPIV- 3), mas a literatura é escassa em relação ao vírus parainfluenza bovino tipo 3 (bPIV-3) .O objetivo deste ... -
Ruptured aneurysm in the posterior communicating segment of carotid artery presenting with contralateral oculomotor nerve palsy
(2019) [Artigo de periódico]Background: Brain aneurysms are mostly discovered during the investigation of subarachnoid hemorrhage (SAH). Some patients present neurological signs that may suggest the aneurysm’s topography, and the oculomotor nerve ...
