Listar Ciencias Biologicas por título
Mostrando ítems 1809-1828 de 3039
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Molecular analysis of the IAP gene of listeria monocytogenes isolated from cheeses in Rio Grande do Sul, Brazil
(2008) [Artículo de periódico]A seqüência da região polimórfica do gene iap foi analisada em 25 cepas de Listeria monocytogenes isoladas de queijo no Estado do Rio Grande do Sul e comparadas com cepas referências. Esta investigação distinguiu L. ... -
Molecular and biochemical aspects of Brettanomyces in brewing
(2019) [Artículo de periódico]Brettanomyces is a semi-domesticated yeast that is a crucial component of lambic beers and is increasingly attracting the attention of the brewing industry. Brettanomyces display Saccharomyces-like features, such as a ... -
Molecular assessment of the phylogeny and biogeography of a recently diversified endemic group of South American canids (Mammalia: Carnivora: Canidae)
(2016) [Artículo de periódico]To investigate the evolution and biogeography of an endemic group of South American foxes, we examined mitochondrial DNA control region sequences for 118 individuals belonging to all six extant species of the genus Lycalopex. ... -
Molecular basis of mucopolysaccharidosis IVA (Morquio A syndrome) : a review and classification of GALNS gene variants and reporting of 68 novel variants
(2021) [Artículo de periódico]Mucopolysaccharidosis IVA (MPS IVA, Morquio A syndrome) is a rare autosomal recessive lysosomal storage disorder caused by mutations in the N-acetylgalactosamine-6-sulfatase (GALNS) gene. We collected, analyzed, and uniformly ... -
Molecular characterization of clinical multiresistant isolates of Acinetobacter sp. from hospitals in Porto Alegre, state of Rio Grande do Sul, Brazil=Caracterização molecular de isolados clínicos Acinetobacter sp. multirresistentes em hospitais de Porto Alegre, Estado do Rio Grande do Sul, Brasil
(2011) [Artículo de periódico]Introdução: Hospitais no mundo todo têm apresentado surtos de Acinetobacter sp. multirresistentes. A disseminação destes isolados com uma variedade cada vez maior de genes de resistência torna difícil o tratamento destas ... -
Molecular characterization of glucose-6-phosphate dehidrogenase deficiency in patients from the southern brazilian city of Porto Alegre, RS
(2007) [Artículo de periódico]Glucose-6-phosphate dehydrogenase (G6PDH; EC 1.1.1.49) deficiency is one of the most common human enzymopathies throughout the world. Although most affected individuals are asymptomatic, there is a risk of neonatal jaundice ... -
Molecular cytogenetic evaluation of chromosomal microdeletions : the experience of a public hospital in southern Brazil
(2014) [Artículo de periódico]Introduction: During the past few decades, the number of diseases identified to be caused by chromosomal microdeletions has increased quickly, bringing a new and crucial role for cytogenetics on the diagnosis of these ... -
Molecular detection of virulence factors among food and clinical Enterococcus faecalis strains in South Brazil
(2014) [Artículo de periódico]The present report aimed to perform a molecular epidemiological survey by investigating the presence of virulence factors in E. faecalis isolated from different human clinical (n = 57) and food samples (n = 55) in Porto ... -
Molecular docking and molecular dynamicsof semi-synthetic piperidine alkaloids as acetylcholinesterase inhibitors
(2012) [Artículo de periódico]A mistura dos derivados semissintéticos cloridrato da (–)-3-O-acetil-cassina e cloridrato da (–)-3-O-acetil-espectalina, preparada a partir da mistura dos alcalóides (–)-cassina e (–)-espectalina (4:1) obtida de Senna ... -
Molecular epidemiology of agents of human chromoblastomycosis in Brazil with the description of two novel species
(2016) [Artículo de periódico]The human mutilating disease chromoblastomycosis is caused by melanized members of the order Chaetothyriales. To assess population diversity among 123 clinical strains of agents of the disease in Brazil we applied sequencing ... -
Molecular evidence for a recent demographic expansion in the puma (Puma concolor) (Mammalia, Felidae)
(2013) [Artículo de periódico]The puma is an iconic predator that ranges throughout the Americas, occupying diverse habitats. Previous phylogeographic analyses have revealed that it exhibits moderate levels of genetic structure across its range, with ... -
Molecular evolution and diversification of the GRF transcription factor family
(2020) [Artículo de periódico]Growth Regulating Factors (GRFs) comprise a transcription factor family with important functions in plant growth and development. They are characterized by the presence of QLQ and WRC domains, responsible for interaction ... -
Molecular evolution and functional divergence of alcohol dehydrogenases in animals, fungi and plants
(2018) [Artículo de periódico]Alcohol dehydrogenases belong to the large superfamily of medium-chain dehydrogenases/reductases, which occur throughout the biological world and are involved with many important metabolic routes. We considered the phylogeny ... -
Molecular evolution and structural analyses of proteins involved in metabolic pathways of volatile organic compounds in Petunia hybrida (Solanaceae)
(2023) [Artículo de periódico]The association between plants and their pollinators is essential for increasing the diversity in angiosperms. Morphological and physiological traits, mainly floral scent, can influence the pollination dynamics and select ... -
Molecular identification of shark meat from local markets in southern Brazil based on DNA barcoding : evidence for mislabeling and trade of endangered species
(2018) [Artículo de periódico]Elasmobranchs, the group of cartilaginous fishes that include sharks and rays, are especially vulnerable to overfishing due to low fecundity and late sexual maturation. A significant number of elasmobranch species are ... -
Molecular investigation of isolates from a multistate polymicrobial outbreak associated with contaminated total parenteral nutrition in Brazil
(2018) [Artículo de periódico]Background: Between November 2013 and June 2014, 56 cases of bacteremia (15 deaths) associated with the use of Total Parenteral Nutrition (TPN) and/or calcium gluconate (CG) were reported in four Brazilian states. Methods: ... -
Molecular mechanisms of Zika virus teratogenesis from animal studies : a systematic review protocol
(2021) [Artículo de periódico]Background: Due to the diversity of studies in animal models reporting that molecular mechanisms are involved in the teratogenic effect of the Zika virus (ZIKV), the objective of the present study is to evaluate the ... -
Molecular phylogeny of the subfamily Stevardiinae Gill, 1858 (Characiformes: Characidae): classification and the evolution of reproductive traits
(2015) [Artículo de periódico]Background: The subfamily Stevardiinae is a diverse and widely distributed clade of freshwater fishes from South and Central America, commonly known as “tetras” (Characidae). The group was named “clade A” when first proposed ... -
Molecular species delimitation of the genera Anodus, Argonectes, Bivibranchia and Micromischodus (Ostariophysi: Characiformes)
(2021) [Artículo de periódico]A good taxonomic assessment of specimens is an essential task to many biological studies and DNA data have provided additional sources of information to assist in the disentanglement of taxonomic problems among living ... -
Molecular variability in amerindians : widespread but uneven information
(2002) [Artículo de periódico]Foi realizada uma revisão quanto à variabilidade molecular presente em populações indígenas das Américas do Norte, Central e do Sul. Ela envolveu resultados sobre DNA antigo, DNA mitocondrial em populações atuais, HLAe ...