Yarrowia Lipolytica
Mostrando 13-24 de 72 artigos, teses e dissertações.
-
13. ProduÃÃo de Ãcido CÃtrico utilizando glicerol residual da produÃÃo de biodiesel como substrato / Production of citric acid using residual glycerol from biodiesel production as a substrate
Due to government financial incentives, which boost the production of biodiesel, there has been a large scale production of this fuel. However, this growth has proved to be exaggerated, rising a worrying factor: the destination of the glycerol excess from biodiesel production. Such concern is clearly shown to prove an important fact: for every ton of biodies
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/02/2011
-
14. Avaliação da ocorrência de fungos patogênicos em estruturas traumatogênicas de peixes fluviais
INTRODUÇÃO: Infecções fúngicas na pele humana (como a esporotricose) podem se manifestar após traumatismos por peixes. O objetivo deste trabalho é procurar fungos patogênicos para o homem em peixes fluviais. MÉTODOS: Extração de arcadas dentárias Serrassalmus maculatus (piranha) e Hoplias malabaricus (traíra), ferrões de Pimelodus maculatus (ma
Revista da Sociedade Brasileira de Medicina Tropical. Publicado em: 01/04/2011
-
15. Biotechnological production of citric acid
This work provides a review about the biotechnological production of citric acid starting from the physicochemical properties and industrial applications, mainly in the food and pharmaceutical sectors. Several factors affecting citric acid fermentation are discussed, including carbon source, nitrogen and phosphate limitations, pH of culture medium, aeration,
Brazilian Journal of Microbiology. Publicado em: 2010-12
-
16. Identification and enzymatic profile of yeasts isolated from artisanal cheese in southern Brazil / Identificação e perfil enzimático de leveduras isoladas de queijo artesanal no sul do Brasil
Leveduras podem contribuir positivamente para o desenvolvimento do sabor e flavor característicos durante a maturação do queijo ou podem causar deterioração do produto. Neste estudo, nós reportamos a presença de leveduras em 59 amostras de queijo artesanal (43 amostras de queijo colonial, 5 de ricota, 9 de provolone e 2 de Caccio Cavallo) vendidas em
Publicado em: 2010
-
17. Produção de ésteres etílicos de ácidos graxos utilizando uma lipase não comercial em propano pressurizado
O principal objetivo deste trabalho foi investigar a produção de ésteres etílicos de ácidos graxos a partir de óleo de soja em propano pressurizado, utilizando uma lipase não comercial (obtida por fermentação submersa de Yarrowia lipolytica) e duas comerciais, Amano PS e Amano AY30. Os experimentos foram conduzidos no intervalo de temperatura de 35-
Food Science and Technology. Publicado em: 2009-09
-
18. IdentificaÃÃo de microrganismos isolados de grÃos de Kefir de leite e de Ãgua de diferentes localidades / Identification of microorganisms isolated from kefir grains in milk and water of different localities
The kefir is a fermented milk beverage that had its origin in the mountains of Caucasus, in Tibet or in Mongolia, many centuries ago. Another substrate that is used for production of that drink is water and raw sugar in the concentration from 3 to 10%. Kefir grains resemble small cauliflower florets that vary in size from 3 to 30 mm in diameter, are lobed, i
Publicado em: 2009
-
19. PLANEJAMENTO EXPERIMENTAL E AVALIAÇÃO METROLÓGICA DA PRODUÇÃO DE LIPASES POR YARROWIA LIPOLYTICA / EXPERIMENTAL DESIGN AND METROLOGICAL EVALUATION OF LIPASE PRODUCTION BY YARROWIA LIPOLYTICA
Objective: Optimization of lipase production by Yarrowia lipolytica cells through experimental design and evaluation of metrological aspects related to process. Motivation: Although several published papers are found describing lipase production by microorganisms, few of them refer to process optimization through experimental design and none of them refer to
Publicado em: 2007
-
20. Produção de lipase extracelular por leveduras em cultivo submerso
No presente estudo foi avaliada a capacidade de produção de 11 cepas de leveduras, previamente isoladas da polpa de pequi (Caryocar brasiliense) e de amostras de terra enriquecidas com partes do fruto do abacateiro. As cepas foram identificadas pelo Laboratório de Ecologia e Biotecnologia de Leveduras do ICB/UFMG. A seleção primária foi realizada em me
Publicado em: 2007
-
21. Improvement of lipase production at different stirring speeds and oxygen levels
Lipase production by a Brazilian wild strain of Yarrowia lipolytica at different stirring speeds and air flow rates was studied. The relationship among lipid consumption, cell growth and lipase production by this microorganism is presented. The most pronounced effect of oxygen on lipase production was determined by stirring speed. Maximum lipase activity was
Brazilian Journal of Chemical Engineering. Publicado em: 2005-03
-
22. Recurrent Self-Limited Fungemia Caused by Yarrowia lipolytica in a Patient with Acute Myelogenous Leukemia
Yarrowia lipolytica is a weakly pathogenic yeast that is rarely isolated from the blood. We observed transient recurrent catheter-related fungemia attributable to this organism in a leukemic patient. The fungemia and accompanying fever subsided spontaneously. The data suggest that it might be possible to withhold specific treatment for Y. lipolytica fungemia
American Society for Microbiology.
-
23. Short DNA Fragments without Sequence Similarity Are Initiation Sites for Replication in the Chromosome of the Yeast Yarrowia lipolytica
We have previously shown that both a centromere (CEN) and a replication origin are necessary for plasmid maintenance in the yeast Yarrowia lipolytica (Vernis et al., 1997). Because of this requirement, only a small number of centromere-proximal replication origins have been isolated from Yarrowia. We used a CEN-based plasmid to obtain noncentromeric origins,
The American Society for Cell Biology.
-
24. Colocalization of centromeric and replicative functions on autonomously replicating sequences isolated from the yeast Yarrowia lipolytica.
Two sequences (ARS18 and ARS68) displaying autonomous replication activity were previously cloned in the yeast Yarrowia lipolytica. The smallest fragment (1-1.3 kb) required for extrachromosomal replication of a plasmid is significantly larger in Y. lipolytica than in Saccharomyces cerevisiae. Neither autonomously replicating sequence (ARS) is homologous wit