Cysteine Proteases
Mostrando 25-36 de 259 artigos, teses e dissertações.
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25. Identificação e caracterização de proteinas expressas no espaço intercelular de folhas de Theobroma cacao na interação com Moniliophthora perniciosa / Identification and characterization of proteins expressed in the intercellular space of leves from Theobroma cacao infected by Moniliophthora perniciosa
The invasion of the plant apoplast is a critical phase of the infection for numerous pathogens, including the fungus M. perniciosa (Mp) that remains in the intercellular space at the parasitic stage until about 60 days. Thus, the understanding of plant defenses induced in the apoplasm and the response mechanisms that the pathogens used for bypassing these de
Publicado em: 2008
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26. Estudos funcionais de uma possível cisteíno protease de Xanthomonas axonopodis pv. citri.
Cysteine proteases are enzymes found in many organisms and are characterized by the presence of cysteine residue in their active site. These proteases play an important role in the organism metabolism. In pathogenic organisms, for example, cysteine proteases may be involved in the pathogenicity process by unbalancing of the biological functions of the host (
Publicado em: 2007
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27. Expressão recombinante da canacistatina em células de inseto.
Due to the great economic importance of sugarcane crop in Brazil, the occurrence of infections by phytopathogens leading to decreased productivity and quality remains a serious problem. As the plants have natural mechanisms of defense against the attack of fungi and insects, amongst which the inhibitors of proteases are distinguished, the use of these substa
Publicado em: 2007
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28. Giardia duodenalis: analysis of secreted proteases upon trophozoite-epithelial cell interaction in vitro
Protease secretion by Giardia duodenalis trophozoites upon interaction with epithelial cells and its association with the parasite adhesion was studied in co-cultures of parasites with IEC6 epithelial cell monolayers in the presence or absence of protease inhibitors. Proteolytic activity in supernatants from trophozoites was enhanced when they were co-cultur
Memórias do Instituto Oswaldo Cruz. Publicado em: 2006-09
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29. Isolamento e caracterização de um novo conjunto de serinoproteases com atividade trombina-like e de L-aminoacido oxidase do veneno de Crotalus durissus cascavella / Isolation and characterization of a new serine proteases group with thrombinin-like and L-amino acid oxidase activity from Crotalus durissus cascavella
The use of the isolated toxins from poisons as molecular tools in the understanding of diverse physiological and pathological events has been proved by some works in literature. The serpent Crotalus durissus cascavella is found in the areas of Caatinga Northeast of Brazil, since Maranhão until North of the state of Minas Gerais, and in spite of it hasn?t be
Publicado em: 2006
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30. Bmcystatin, cysteine protease inhibitor present in fat body of Boophilus microplus tick: Cloning, expression, purification and characterization. / BmCistatina, Inibidor de cisteinoproteases presente em corpo gorduroso de carrapato Boophilus microplus: Clonagem, expressão, purificação e caracterização.
A importância econômica dos carrapatos está relacionada a seus hábitos hematofágicos. Entre as espécies que pertencem à família Ixodidae, o carrapato Boophilus microplus tem grande importância veterinária por ser vetor de patógenos, atuando como ectoparasito em animais domésticos e silvestres, transmitindo a doença conhecida como o babesiosis e
Publicado em: 2006
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31. Novos aspectos e aplicações da química de teluranas e de teluretos orgânicos / New aspects and applications of the chemistry of organotelluranes and organic tellurides
The first part of this thesis deals with the study of the reactivity of electrophilic tellurium compounds, mainly tellurium tetrachloride and aromatic tellurium trichlorides. New aspects of the reactivity of TeCl4 towards alkynes and some acetophenones were disclosed. A mechanistic rationale for each of the processes studied was possible by the determination
Publicado em: 2005
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32. Biotechnological production of surfactante of Bacillus subtilis in agro-industrial residue, characterization and applications. / Produção biotecnologica de surfatante de Bacillus subtilis em residuo agroindustrial, caracterização e aplicações.
Biosurfactants are amphypatic compounds from biologycal source showing both hydrophilic and lipophilic groups. Due to this feature, the biosurfactants acts decreasing the surface and interfacial tension of a liquid. The byproducts of agricola and industrial processing are an underexplored new sources to the production of biotechnological interesting compound
Publicado em: 2005
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33. Protease activity in Giardia duodenalis trophozoites of axenic strains isolated from symptomatic and asymptomatic patients
We have examined by gelatin-SDS-PAGE the protease activity in cell lysates of Giardia duodenalis trophozoites of two axenic strains isolated in Brazil from a symptomatic patient (BTU-11) and an asymptomatic carrier (BTU-10), and the reference strain Portland 1 (P1). The proteolysis band patterns showed differences among strains isolated from asymptomatic and
Memórias do Instituto Oswaldo Cruz. Publicado em: 2003-01
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34. Proteinase activity regulation by glycosaminoglycans
There are few reports concerning the biological role and the mechanisms of interaction between proteinases and carbohydrates other than those involved in clotting. It has been shown that the interplay of enzymes and glycosaminoglycans is able to modulate the activity of different proteases and also to affect their structures. From the large number of proteas
Brazilian Journal of Medical and Biological Research. Publicado em: 2002-02
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35. Identification, classification and expression pattern analysis of sugarcane cysteine proteinases
Proteinases cisteínicas são peptidil-hidrolases dependentes de um resíduo de cisteína em seu sítio ativo. As propriedades físico-químicas destas proteinases têm sido amplamente caracterizadas, entretanto suas funções biológicas ainda não foram completamente elucidadas. Elas estão envolvidas em um grande número de eventos, tais como: processamen
Genetics and Molecular Biology. Publicado em: 2001-12
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36. The involvement of cysteine proteases and protease inhibitor genes in the regulation of programmed cell death in plants.
Programmed cell death (PCD) is a process by which cells in many organisms die. The basic morphological and biochemical features of PCD are conserved between the animal and plant kingdoms. Cysteine proteases have emerged as key enzymes in the regulation of animal PCD. Here, we show that in soybean cells, PCD-activating oxidative stress induced a set of cystei