Lipases
Mostrando 25-36 de 315 artigos, teses e dissertações.
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25. Potencial deteriorante de Paenibacillus sp. no leite cru refrigerado brasileiro
RESUMO: Os esporos de bactérias estão amplamente difundidos no ambiente e podem contaminar o leite. Os esporos conferem resistência aos processos térmicos e sua germinação pode reduzir a vida útil do leite pasteurizado, uma vez que bactérias esporuladas aeróbias são muito frequentemente produtoras de proteases e lipases. O objetivo do presente tra
Cienc. Rural. Publicado em: 2016-04
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26. First description of Candida nivariensis in Brazil: antifungal susceptibility profile and potential virulence attributes
This study evaluated the antifungal susceptibility profile and the production of potential virulence attributes in a clinical strain of Candida nivariensis for the first time in Brazil, as identified by sequencing the internal transcribed spacer (ITS)1-5.8S-ITS2 region and D1/D2 domains of the 28S of the rDNA. For comparative purposes, tests were also perfor
Mem. Inst. Oswaldo Cruz. Publicado em: 2016-01
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27. Aproveitamento de resíduos da agroindústria do óleo de dendê para a produção de lipase por Aspergillus Níger
RESUMO: Neste trabalho, foi avaliado o desempenho de duas linhagens de Aspergillus niger (mutante 11T53A14 e selvagem C) previamente selecionadas como promissoras para a produção de lipases, utilizando meios de cultivo formulados a partir da torta de dendê (palmiste) e da borra alcalina do refino do óleo de dendê (borra de dendê), resíduos proveniente
Cienc. Rural. Publicado em: 22/12/2015
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28. Gene cloning, expression, and characterization of the Bacillus amyloliquefaciens PS35 lipase
Abstract Lipases are enzymes of immense industrial relevance, and, therefore, are being intensely investigated. In an attempt to characterize lipases at molecular level from novel sources, a lipase gene from Bacillus amyloliquefaciens PS35 was cloned, heterologously expressed in Escherichia coli DH5α cells and sequenced. It showed up to 98% homology with ot
Braz. J. Microbiol.. Publicado em: 09/10/2015
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29. Lipolysis and lipases in white adipose tissue – An update
Lipolysis is defined as the sequential hydrolysis of triacylglycerol (TAG) stored in cell lipid droplets. For many years, it was believed that hormone-sensitive lipase (HSL) and monoacylglycerol lipase (MGL) were the main enzymes catalyzing lipolysis in the white adipose tissue. Since the discovery of adipose triglyceride lipase (ATGL) in 2004, many studies
Arch. Endocrinol. Metab.. Publicado em: 2015-08
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30. Genetic and chemical diversity in seeds of cactus mandacaru (Cereus sp.) from two edaphoclimatic regions contrasting
A proposta deste estudo foi avaliar diferenças químicas, fisiológicas e genéticas em sementes de cactos do gênero Cereus (mandacaru) cultivadas nas regiões Nordeste (Picos, Estado do Piauí) e Sul (Maringá, Estado do Paraná) do Brasil. No período de oito dias, as temperaturas de 25°C e 30°C foram igualmente adequadas para a germinação de todas a
An. Acad. Bras. Ciênc.. Publicado em: 2015-06
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31. PERFORMANCE OF LOOFA-IMMOBILIZED Rhizopus oryzae IN THE ENZYMATIC PRODUCTION OF BIODIESEL WITH USE OF OLEIC ACID IN n-HEXANE MEDIUM
AbstractThe performance of loofa-immobilized Rhizopus oryzae (as a whole-cell biocatalyst) in the synthesis of methyl oleate was evaluated using oleic acid as a model substrate. The activities of the cell-bound lipase in terms of the esterification and hydrolysis reactions were found to be higher for the immobilized cells as compared with those of the free c
Braz. J. Chem. Eng.. Publicado em: 2015-06
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32. Halotolerant bacteria in the São Paulo Zoo composting process and their hydrolases and bioproducts
Halophilic microorganisms are able to grow in the presence of salt and are also excellent source of enzymes and biotechnological products, such as exopolysaccharides (EPSs) and polyhydroxyalkanoates (PHAs). Salt-tolerant bacteria were screened in the Organic Composting Production Unit (OCPU) of São Paulo Zoological Park Foundation, which processes 4 ton/day
Braz. J. Microbiol.. Publicado em: 2015-06
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33. Milk-deteriorating exoenzymes from Pseudomonas fluorescens 041 isolated from refrigerated raw milk
The practice of refrigerating raw milk at the farm has provided a selective advantage for psychrotrophic bacteria that produce heat-stable proteases and lipases causing severe quality problems to the dairy industry. In this work, a protease (AprX) and a lipase (LipM) produced by Pseudomonas fluorescens 041, a highly proteolytic and lipolytic strain isolated
Braz. J. Microbiol.. Publicado em: 31/03/2015
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34. USO DE SÍLICAS MODIFICADAS PARA IMOBILIZAÇÃO DE LIPASES
Enzyme-support strategies are increasingly replacing conventional chemical methods in both laboratories and industries with attributes including efficiency, higher performance and multifarious use, where silica surfaces show potential due to the chemical bonds based on the presence of hydroxyl groups which can be modified with different additives. Surface-mo
Quím. Nova. Publicado em: 2015-03
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35. Production and characterization of an extracellular lipase from Candida guilliermondii
Extracellular lipases from the endophytic yeast Candida guilliermondii isolated from castor leaves (Ricinus communis L.) were produced using low-cost raw materials such as agro-industrial residues and applying them in the esterification of oleic acid for evaluating their potential use in biodiesel production. After partial purification using ammonium sulfate
Braz. J. Microbiol.. Publicado em: 2014-12
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36. Produção de lipase extraída de resíduos aquosos: cinética da atividade enzimática
As lipases são um importante grupo de enzimas com diversas aplicações na indústria alimentar, química e farmacêutica, além de ter grande interesse para o tratamento de efluentes com alto teor de lipídios. Objetivou-se, neste trabalho, isolar, caracterizar e selecionar bactérias lipolíticas produtoras de lipase, a partir de efluentes residuais aquos
Ciênc. agrotec.. Publicado em: 2014-12