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Mostrando ítems 251-260 de 378
Evolução cromossômica em Osteoglossiformes (Teleostei, Osteoglossomorpha) : uma abordagem intercontinental na família Notopteridae
(Universidade Federal de São Carlos, 2018-02-23)
The order Osteoglossiformes represent one of the most basal groups among the Teleosteos. These fishes live exclusively on freshwater environments and are characterized by the presence of a bonytongue. The group is a good ...
Investigação da diversificação e evolução cromossômica em espécies de Pimelodidae (Siluriformes): contribuição dos DNAs repetitivos e cromossomos B
(Universidade Federal de São Carlos, 2019-02-18)
Pimelodidae comprises 114 valid species, whith few of them are cytogenetically characterized, mainly, especially with respect to molecular cytogenetics. In addition, the species taxonomic delimitation is still very imprecise ...
Atividades anti-nematoides dos óleos essenciais de Petroselinum crispum, Ruta graveolens e Thymus vulgaris no modelo nematoide Caenorhabditis elegans
(Universidade Federal de São Carlos, 2019-05-23)
The nematode parasites represent a major public health problem and several economic loss in the agricultural sector. The study of essential oils in the model organism Caenorhabditis elegans allows to identify the nematicidal ...
Estudos fisiológicos, nutricionais e moleculares de variedades de cana-de-açúcar (Saccharum spp.) sob estresse por alumínio
(Universidade Federal de São Carlos, 2018-09-21)
Sugarcane is a crop of global importance and has been expanding to areas with soils containing high levels of exchangeable aluminum (Al), which is a limiting factor for crop development in acidic soils. The study of the ...
DNA Barconding do gênero Schizodon (Characiformes, Anostomidae)
(Universidade Federal de São Carlos, 2018-08-28)
Fish of the Schizodon genus have important representation in the largest South American basins. Historically they underwent through several taxonomic revisions, due to their high phenotypic plasticity and the ontogenetic ...
A divisão subgenérica de Trypoxylon Latreille, 1796 (Hymenoptera: Crabronidae) é sustentada por marcadores moleculares?
(Universidade Federal de São Carlos, 2018-06-04)
The family Crabronidae comprises a group of extreme importance to the phylogeny of Hymenopytera and is considered by some authors to be the group that gave rise to bees. Despite this importance, very few studies have been ...
Análise e contribuições para o ensino de biologia molecular em um município do interior paulista
(Universidade Federal de São Carlos, 2018-10-01)
Currently the number of works that seek to understand the difficulties involved in the teaching and learning process in Biology field, more specifically in the Molecular Biology subfield, has been grown exponentially. Such ...
Estudo de vias alternativas aos sistemas LiaFSR e YycFGHIJ que levam à diminuição da sensibilidade à daptomicina em Enterococcus faecium
(Universidade Federal de São Carlos, 2018-08-21)
Enterococcus is one of the most important multi-drug resistant nosocomial pathogens. Infections caused by vancomycin resistant Enterococci (VRE) are becoming increasingly difficult to treat, often with prolonged hospital ...
O padrão de dispersão é sexo-assimétrico nos Euglossíneos (Hymenoptera: Apidae: Euglossini)? Um estudo de caso: Euglossa cordata
(Universidade Federal de São Carlos, 2009-07-01)
The Tribe Euglossini consists of relatively large bees, with metallic skin and bright color. Their extremely long tong enables them to use nectar resources that are inaccessible to other bees. Equipped with high capacity ...
Genes e variantes genéticas na regulação da eficiência alimentar de gado Nelore
(Universidade Federal de São Carlos, 2019-05-08)
Feeding accounts for most of the costs in beef cattle production. To reduce it, as well as the environmental impact, greenhouse gas emission, and land occupation have been mandatory to improve the animal feed efficiency. ...