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Mostrando ítems 71-80 de 102
Origem e diferenciação do sistema de cromossomos sexuais ZZ/ZW em Triportheus (Characiformes, Characidae): citogenética, mapeamento dos genes ribossomais e microdissecção cromossômica
(Universidade Federal de São Carlos, 2007-04-27)
Chromosomes of distinct species of Triportheus (Characiformes, Characidae) from different hydrographic basins in Brazil, as well as in Argentina, were analyzed in the present work. Triportheus nematurus, from Piracicaba ...
Desintegrinas de Bothrops alternatus: biologia molecular, estudos in vitro, in vivo e bioinformática estrutural.
(Universidade Federal de São Carlos, 2005-11-28)
Disintegrins are toxins frequently found in snake venoms. Their biological
effects are due to their binding to cell receptors known as integrins. Aiming to isolate
new disintegrins from Bothrops alternatus snake, a cDNA ...
Estudo do efeito da Alternagina-C, uma desintegrina do veneno de Bothrops alternatus,sobre a adesão de células normais e tumorais. Avaliação do seu potencial como agente anti-metastático.
(Universidade Federal de São Carlos, 2004-11-26)
The α2β1 integrin is a major collagen receptor that plays an essential role in the
normal and tumor cells adhesion to the extracellular matrix, as well as in the
metastasis. Antagonists of integrins have been ...
Análise de genes e proteínas envolvidos no estado redox de reticulócitos e eritrócitos de pacientes beta talassêmicos ou com anemia falciforme
(Universidade Federal de São Carlos, 2018-06-27)
Although not the primary etiology of diseases such as beta-thalassemia and sickle cell anemia, oxidative damage plays a crucial role in the aggravation of these diseases, contributing to the hemolysis and the short survival ...
Expressão de genes candidatos à determinação sexual em Astyanax scabripinnis (Teleostei: characidae) em animais com e sem cromossomos B
(Universidade Federal de São Carlos, 2019-03-01)
Fish are animals present in a wide variety of habitats and are distributed all over the world. The diversity of forms, behaviors and niches associated with the evolutionary characteristics of these animals make them important ...
Análise da expressão da metalotioneína em duas espécies de peixes, Oreochromis niloticus e Prochilodus lineatus
(Universidade Federal de São Carlos, 2008-04-18)
Metallothioneins (MT) are non enzymatic proteins with with metal-binding ability. It has been
used as a biomarker for environmental pollution by the analysis of its expression in several fish
species. The tilapia is a ...
Estudos genético-populacionais em Astyanax aff. Scabripinnis da região da Serra da Mantiqueira
(Universidade Federal de São Carlos, 2018-10-19)
Genetic studies of natural populations have long been helping the scientific community and society in general to understand the evolution and conservation of both environments and communities. These studies have helped to ...
A colonização de uma área por espécies de abelhas sem ferrão. Um estudo de caso: Partamona helleri (Friese, 1900) (Hymenoptera : Apidae: Meliponini)
(Universidade Federal de São Carlos, 2011-02-28)
Bees are obligatory floral visitors and are considered the main pollinators of angiosperms. The increasing interest in the services of bees has led to efforts to develop management strategies for conservation purposes. The ...
Degradação de matéria orgânica terrestre por microrganismos do rio Amazonas – Metagenômica e genômica populacional
(Universidade Federal de São Carlos, 2018-12-14)
Microbes from Amazon river basin represent an unexplored biodiversity, with a huge metabolic potential. This ecosystem receives large amounts of terrestrial organic matter (OM), which promotes heterotrophic microbial growth. ...
Relações genéticas em espécies de camarões peneídeos (Crustacea, Decapoda, Penaeidae) de ocorrência no litoral brasileiro
(Universidade Federal de São Carlos, 2015-08-21)
Penaeidae family occurs in all oceans, particularly in tropical regions and represents an important
global fishing resource. In Brazil, penaeid species have been shown decline, of their populations,
which are considered ...