Navegação Ciências Biológicas por Título
Resultados 1182-1201 de 3051
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Feline immunodeficiency virus Vif N-Terminal residues selectively counteract feline APOBEC3s
(2016) [Artigo de periódico]Feline immunodeficiency virus (FIV) Vif protein counteracts feline APOBEC3s (FcaA3s) restriction factors by inducing their proteasomal degradation. The functional domains in FIV Vif for interaction with FcaA3s are poorly ... -
Female gametophyte development in Adesmia latifolia (Spreng.) Vog. (Leguminosae- Papilionoideae)
(2004) [Artigo de periódico]The female gametophyte has a monosporic origin and a Polygonum type development. The female gametophyte growth consumes a large part of the neighboring nucellar cells and, in the micropylar region, part of the nucellar ... -
Fenilcetonúria no sistema único de saúde : avaliação de adesão ao tratamento em um centro de atendimento do Rio Grande do Sul
(2010) [Artigo de periódico]Introdução: Fenilcetonúria (PKU) é um erro inato do metabolismo no qual ocorre um aumento dos níveis séricos do aminoácido fenilalanina. Objetivo: O presente estudo teve como objetivo avaliar a adesão ao tratamento de ... -
Fenologia de quatro espécies tóxicas de senecio (Asteraceae) na região sul do Rio Grande do Sul
(2002) [Artigo de periódico]O objetivo principal desse trabalho foi determinar a fenologia de Senecio brasiliensis, S. oxyphyllus, S. heterotrichius e S. selloi, e relacioná-la com a epidemiologia da intoxicação em bovinos, na região sul do Rio Grande ... -
"Ferveu, queimou o ser da erva":conhecimentos de especialistas locais sobre as plantas medicinais na região sul do Brasil
(2009) [Artigo de periódico]O objetivo desta pesquisa foi realizar levantamento etnobotânico sobre o conhecimento e uso de plantas medicinais por especialistas locais na comunidade do Lami, situada na região sul de Porto Alegre, Rio Grande do Sul. A ... -
Fibroblasts of skin fragments as a tool for the investigation of genetic diseases technical recommendations
(2000) [Artigo de periódico]Biópsias de pele são freqüentemente indicadas para a investigação e/ou confirmação de um distúrbio genético. Embora relativamente simples e não invasivo, este procedimento deve ser executado com cuidado de modo a aumentar ... -
Fibronectin modulates cell adhesion and signaling to promote single cell migration of highly invasive oral squamous cell carcinoma
(2016) [Artigo de periódico]Cell migration is regulated by adhesion to the extracellular matrix (ECM) through integrins and activation of small RhoGTPases, such as RhoA and Rac1, resulting in changes to actomyosin organization. During invasion, ... -
Field evaluation of commercial vaccines against Infectious Bovine Rhinotracheitis (Ibr) Virus using different immunization protocols
(2021) [Artigo de periódico]Bovine alphaherpesvirus 1 is ubiquitous in cattle populations and is associated with several clinical syndromes, including respiratory disease, genital disease, infertility and abortions. Control of the virus in many parts ... -
Field evaluation of safety during gestation and horizontal spread of a recombinant differential bovine herpesvirus 1 (BoHV-1) vaccine
(2005) [Artigo de periódico]Infecções pelo herpesvírus bovino tipo 1 (BoHV-1) são importantes causas de doença respiratória, reprodutiva e abortos em bovinos. A vacinação é freqüentemente empregada para minimizar as perdas produzidas pela infecção. ... -
Finalmente uma vacina contra a Malária à caminho
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Fine-scale habitat selection of chilean dolphins (Cephalorhynchus eutropia) : interactions with aquaculture activities in southern Chiloé Island, Chile
(2007) [Artigo de periódico]Fine-scale habitat selection of Chilean dolphins was studied between January and April 2002 through shorebased theodolite tracking in order to investigate the environmental and behavioural determinants of habitat use, and ... -
Fire intensity and severity in brazilian campos grasslands
(2010) [Artigo de periódico]Brazilian Campos grasslands are rich in species and the maintenance of its diversity and physiognomy is dependent on disturbance (e.g. fire and grazing). Nevertheless, studies about fire intensity and severity are inexistent. ... -
First baby born in Brazil after simultaneous diagnosis through non-invasive and conventional PGT-A
(2021) [Artigo de periódico]Non-invasive preimplantation genetic testing for aneuploidies (niPGT-A) aiming to assess cell-free embryonic DNA in spent culture media is promising, especially because it might overcome the diminished rates of implantation ... -
First description of adenovirus, enterovirus, rotavirus and torque teno virus in water samples collected from the Arroio Dilúvio, Porto Alegre, Brazil
(2012) [Artigo de periódico]Adenovírus (AdV), enterovírus (EV), rotavírus (GARV) e Torque teno vírus (TTV) são vírus não envelopados, excretados nas fezes, podendo, assim, contaminar corpos hídricos. No presente estudo, a detecção molecular desses ... -
First description of Echinococcus ortleppi and cystic echinococcosis infection status in Chile
(2018) [Artigo de periódico]Cystic echinococcosis (CE), a parasitic disease caused by the cestode Echinococcus granulosus sensu lato (s.l.), is a worldwide zoonotic infection. Although endemic in Chile, information on the molecular characteristics ... -
First record of Wolbachia in South American terrestrial isopods : prevalence and diversity in two species of Balloniscus (Crustacea, Oniscidea)
(2012) [Artigo de periódico]Wolbachia are endosymbiotic bacteria that commonly infect arthropods, inducing certain phenotypes in their hosts. So far, no endemic South American species of terrestrial isopods have been investigated for Wolbachia ... -
First records of Glyphepomis adroguensis (Hemiptera, Pentatomidae) and its parasitoid, Telenomus podisi (Hymenoptera, Platygastridae), on irrigated rice fields in Rio Grande do Sul, Brazil
(2012) [Artigo de periódico]Primeiros registros de Glyphepomis adroguensis (Hemiptera, Pentatomidae) e seu parasitoide, Telenomus podisi (Hymenoptera, Platygastridae), em arroz irrigado no Rio Grande do Sul. Ovos, ninfas e adultos de Glyphepomis ... -
First report of chemical composition and cytotoxicity evaluation of Foraminispora rugosa basidiomata from Brazil
(2022) [Artigo de periódico]Foraminispora rugosa is a species reported from Brazil, Venezuela, French Guiana, Costa Rica and Cuba. It is a basidiomycete in the Ganodermataceae family. In this study, both chemical composition and cytotoxicity of the ... -
First report of free-living amoebae in sewage treatment plants in Porto Alegre, southern Brazil
(2023) [Artigo de periódico]Free-living amoebae (FLA) are amphizoic protozoans with a cosmopolitan distribution. Some strains of species are associated with infections in humans. They feed on microorganisms by phagocytosis; however, some of these can ... -
First report of free-living amoebae in watercourses in southern Brazil : molecular diagnosis and phylogenetic analysis of Vermamoeba vermiformis, Naegleria gruberi, and Acanthamoeba spp.
(2023) [Artigo de periódico]Free-living amoebae (FLA) are protozoa dispersed in different environments and are responsible for different infections caused to humans and other animals. Microorganisms such as Acanthamoeba spp., Vermamoeba sp., and ...