DOI: 10.11606/t.87.2012.tde-04062012-114632
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Efeito da alteração na captação de sacarose ao metabolismo de Saccharomyces cerevisiae.

Abstract: Título da Tese: Efeito da alteração na captação de sacarose ao metabolismo de Saccharomyces cerevisiae.

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Cited by 4 publications
(6 citation statements)
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“…Although the disaccharides sucrose and cellobiose could be cleaved intracellularly either via hydrolysis or via phosphorolysis, the iSUCCELL strategy proposed here involves hydrolysis, since this route benefits from decreased free-energy conservation, which in turn results in higher ethanol yields on sugar (Basso et al 2011) (Figure 2). In order to achieve intracellular sucrose hydrolysis, the invertase-encoding SUC2 gene could be either modified to constitutively and exclusively express the intracellular form of invertase (Basso et al 2011), or be completely deleted, as this Δsuc2 strain would still hydrolyse sucrose via intracellular α-glucosidases (Dário 2012;Franken et al 2013;Bahia et al 2018). Since duplication of the AGT1 gene proved crucial for improved sucrose fermentation in the evolved iSUC2 strain developed by Basso et al (2011), overexpression of native AGT1 under a stronger, constitutive promoter or introduction of extra AGT1 copies might also be necessary.…”
Section: The Isuccell Chassismentioning
confidence: 99%
“…Although the disaccharides sucrose and cellobiose could be cleaved intracellularly either via hydrolysis or via phosphorolysis, the iSUCCELL strategy proposed here involves hydrolysis, since this route benefits from decreased free-energy conservation, which in turn results in higher ethanol yields on sugar (Basso et al 2011) (Figure 2). In order to achieve intracellular sucrose hydrolysis, the invertase-encoding SUC2 gene could be either modified to constitutively and exclusively express the intracellular form of invertase (Basso et al 2011), or be completely deleted, as this Δsuc2 strain would still hydrolyse sucrose via intracellular α-glucosidases (Dário 2012;Franken et al 2013;Bahia et al 2018). Since duplication of the AGT1 gene proved crucial for improved sucrose fermentation in the evolved iSUC2 strain developed by Basso et al (2011), overexpression of native AGT1 under a stronger, constitutive promoter or introduction of extra AGT1 copies might also be necessary.…”
Section: The Isuccell Chassismentioning
confidence: 99%
“…A dosagem de açúcares redutores através de DNS requer, entretanto, mesmo nos protocolos (adaptações) mais econômicos, considerável volume de reagente e, em sua maioria, leituras individuais de amostras em espectrofotômetro, demandando dispêndio significativo de tempo e dinheiro em cada análise (SUMNER, 1921;SUMNER;SISLER, 1944;MILLER, 1959;LEUNG;THORPE, 1984;SADDLER, 1985;SCHWALD et al, 1988;HU et al, 2008;SAQIB;WHITNEY, 2011;DÁRIO, 2012;TEIXEIRA et al, 2012). Assim sendo, no intuito de diminuir os custos com a dosagem desses carboidratos e acelerar a análise de amostras em processos produtivos e/ou laboratórios de pesquisa, adaptamos a referida metodologia para leitura em microplacas de 96 poços.…”
Section: Dosagem De Açúcares Redutores Com O Reativo Dns Em Microplacaunclassified
“…A economia é percebida também após cada ensaio, haja vista que, (SUMNER, 1921;SUMNER;SISLER, 1944;MILLER, 1959;LEUNG;THORPE, 1984;SADDLER, 1985;SCHWALD et al, 1988;HU et al, 2008;SAQIB;WHITNEY, 2011;DÁRIO, 2012;TEIXEIRA et al, 2012); **Para um ensaio com 96 leituras; ***Corresponde ao tempo destinado à redução do ácido 3,5-dinitrosalisílico pelo açúcar, para geração da cor.…”
Section: Conclusãounclassified
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“…Although the disaccharides sucrose and cellobiose could be cleaved intracellularly either via hydrolysis or via phosphorolysis, the iSUCCELL strategy proposed here involves hydrolysis, since this route benefits from decreased free-energy conservation, which in turn results in higher ethanol yields on sugar ) (Figure 2.2). In order to achieve intracellular sucrose hydrolysis, the invertase-encoding SUC2 gene could be either modified to constitutively and exclusively express the intracellular form of invertase , or be completely deleted, as this Δsuc2 strain would still hydrolyse sucrose via intracellular α-glucosidases (Dário 2012;Franken et al 2013;Bahia et al 2018). Since duplication of the AGT1 gene proved crucial for improved sucrose fermentation in the evolved iSUC2 strain developed by , overexpression of native AGT1 under a stronger, constitutive promoter or introduction of extra AGT1 copies might also be necessary.…”
Section: The Isuccell Chassismentioning
confidence: 99%