Zymomonas mobilis (lindner)
Avaliação de suportes para a imobilização de Zymomonas mobilis CCT 4494 visando à produção de etanol e levana
... Zymomonas mobilis is considered to have high biotechnological potential for ethanol and levan production, because it produces little biomass and shows good tolerance to ethanol ...of Zymomonas ...
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RESULTS AND DISCUSSION Sorbitol and ethanol production by Zymomonas mobilis in sucrose medium at 200 g.L -1
... by Zymomonas mobilis was studied by Bekers et ...studied Zymomonas mobilis and used yeast invertase in the fermentation medium containing sucrose to promote sucrose hydrolysis into glucose ...
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Estudo de modelo matemático do comportamento oscilatório em processos contínuos de fermentação alcoólica com Zymomonas mobilis
... sidera o tempo de adaptação do microrganismo às mudanças nas condições ambientais. Para isso, introduziram o conceito de taxa dinâmica de cres- cimento específico, o qual incorpora o mecanis- mo adaptativo da célula, ...
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Influence of High Osmotic Pressure on Sorbitol Production by Zymomonas mobilis
... However observing the production on Table 2, it was possible to conclude that the time contribution was not superior to 10% considering the cultivation with 200g/L of sucrose + 100g/L of maltose and 21% considering ...
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Effect of initial pH in levan production by Zymomonas mobilis immobilized in sodium alginate
... (2006) Zymomonas mobilis is one of the bacteria with lower growth rate, because uses the Entner-Doudoroff fermentative pathway anaerobically for sugars metabolism, which has a low energetic efficiency, ...
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Sugar Cane Juice Fermentation by Zymomonas mobilis CP4 Subjected to Inhibition by Ethanol and High Initial Concentration of Substrate
... For the fuel ethanol industry to expand, there is a requiriment for search of more competitive ethanologenic microorganisms. Zymomonas mobilis has attracted the attention as a promising bacterium regarding ...
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Separation of Levan-formation and Sucrose-hydrolysis Catalyzed by Levansucrase of Zymomonas mobilis Using in vitro Mutagenesis
... A levansucrase (SacB) of Zymomonas mobilis capable of sucrose hydrolysis but not levan formation was isolated through in vitro mutagenesis of cloned sacB gene. When the sacB mutant gene was expressed in ...
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INFLUENCE OF CARBON SOURCE AND THE FERMENTATION PROCESS ON LEVAN PRODUCTION BY Zymomonas mobilis ANALYZED BY THE SURFACE RESPONSE METHOD
... POR Zymomonas mobilis ANALISADA PELA METODOLOGIA DE SUPERFÍCIE DE RESPOSTA ...levana. Zymomonas mobilis foi cultivada em diferentes concentrações de caldo de cana de açúcar e sacarose nos dois ...
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Uso de caldo de cana-de-açúcar para produção de levana por Zymomonas mobilis CCT4494.
... De acordo com Tano & Buzato (2003), alguns dos componentes presentes no caldo de cana-de-açúcar podem causar inibição do crescimento de Zymomonas mobilis. Os níveis relativamente elevados de alguns sais ...
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Optimization of Levan Production by Zymomonas mobilis
... and Zymomonas mobilis produce levan of high molecular weight when grown on sucrose ...Z. mobilis is considered as a potential candidate for large- scale production of ...Z. mobilis was ...
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IMOBILIZAÇÃO DE ZYMOMONAS MOBILIS EM CASCA DE ABACAXI E LARANJA VISANDO A PRODUÇÃO DE LEVANA
... Com relação ao consumo de substrato, os maiores valores foram obtidos nas primeiras 24 h de reutilização para ambos os suportes, com 313,29 g.L -1 e 313,26 g.L -1 para cascas de abacaxi e cascas de laranja, ...
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Nutritional Requirements of Zymomonas mobilis CCT 4494 for Levan Production
... ammonium sulphate up to 50 mM promoted a slight increase in the polysaccharide production. Many studies have reported that cellular growth rate of Z. mobilis could be influenced by the concentrations of potassium, ...
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ACTIVITY OF GLUCOSE-FRUCTOSE OXIDOREDUCTASE IN FRESH AND PERMEABILISED CELLS OF ZYMOMONAS MOBILIS GROWN IN DIFFERENT GLUCOSE CONCENTRATIONS Gilmar Sidnei Erzinger1 ; Mauricio Moura da Silveira2 ; José Paulo Castilho Lopes da Costa1 ; Michele Vitolo3 ; Rai
... Cell concentration was determined by measuring the optical density of cell suspensions at 560 nm. Turbidimetric measurements gave a linear relationship with dry cell mass for each case. In samples from fermentation runs, ...
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Fermentasi Etanol Sari Buah Semu Jambu Mete (Anacardium occidentale L.) oleh Zymomonas mobilis dengan Penambahan Urea
... Z. mobilis. Bakteri Z. mobilis dianggap sebagai mikroorganisme alternatif dalam produksi etanol karena mempunyai sifat-sifat yang sesuai untuk produksi etanol secara efisien, sifat-sifat tersebut antara ...
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"Fish-in-net", a novel method for cell immobilization of Zymomonas mobilis.
... I-Z. mobilis, and PI-Z. mobilis were investigated, and the results are presented in Figure ...I-Z. mobilis, and PI-Z. mobilis were centered at ...
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Análise dos parâmetros cinéticos para produção de levana por Zymomonas mobilis utilizando fermentação submersa
... Universidade Estadual Paulista “Júlio de Mesquita Filho”, Rua Cristovão Colombo 2265, 15054-000, Jardim Nazareth, São José do Rio Preto, São Paulo, Brasil.. *Autor para correspondência.[r] ...
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The Production of Sorbitol by Permeabilized and Immobilized Cells of Z. mobilis in Sucrose
... The production of sorbitol by permeabilized and immobilized cells of Zymomonas mobilis in Luffa cylindrica was investigated in sucrose medium. A full 2 3 factorial design was used to verify the influence of ...
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Braz. J. Chem. Eng. vol.34 número2
... Kaminska, E., Upite, D., Vina, I., Linde R., Scherbaka, R. Levan-ethanol biosynthesis using Zymomonas mobilis cells immobilized by attachment and entrapment. Process Biochemistry, 36, 979-989 (2001). ...
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Bioenergia: desenvolvimento, pesquisa e inovação
... Na segunda parte intitulada “Produção de biocombustíveis” são descri- tos em oito capítulos tópicos da maior envergadura científica, como: a pro- dução de etanol por Zymomonas mobilis [r] ...
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MATERIALS AND METHODS Molasses
... The immobilized cells were further recycled for three more times limiting the duration of each fermentation cycle upto 96 h as most of the sugars in molasses were consumed during these period. The cells not only survived ...
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