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2007
DOI: 10.1186/1475-2859-6-10
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An improved system for estradiol-dependent regulation of gene expression in yeast

Abstract: Background: Saccharomyces cerevisiae is widely utilized in basic research as a model eukaryotic organism and in biotechnology as a host for heterologous protein production. Both activities demand the use of highly regulated systems, able to provide accurate control of gene expression in functional analysis, and timely recombinant protein synthesis during fermentative production. The tightly regulated GAL1-10 promoter is commonly used. However, induction of the GAL system requires the presence of the rather exp… Show more

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Cited by 24 publications
(23 citation statements)
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References 28 publications
(31 reference statements)
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“…In the absence of ß-estradiol, glucose represses transcription of the transactivator-encoding gene, allowing the basal expression level of this system to be as low as that of native GAL genes in glucose-containing media. In contrast, when ß-estradiol is added to standard batch cultures, a 250-fold induction of the regulated gene is achieved (Quintero et al 2007). The dynamic range is therefore eight times higher in this system than in the previous configuration (Table 1).…”
Section: Fighting Against Basal Expression From Leaky Inducible Promomentioning
confidence: 94%
“…In the absence of ß-estradiol, glucose represses transcription of the transactivator-encoding gene, allowing the basal expression level of this system to be as low as that of native GAL genes in glucose-containing media. In contrast, when ß-estradiol is added to standard batch cultures, a 250-fold induction of the regulated gene is achieved (Quintero et al 2007). The dynamic range is therefore eight times higher in this system than in the previous configuration (Table 1).…”
Section: Fighting Against Basal Expression From Leaky Inducible Promomentioning
confidence: 94%
“…A regulação dirigida por esse tipo de indutor envolve a presença de um fator de transcrição quimérico constituído por um domínio de ligação ao DNA, um domínio de ativação e um domínio de ligação hormonal (QUINTERO et al, 2007). Esse sistema permite a indução com estradiol da proteína recombinante de interesse.…”
Section: O Sistema De Expressãounclassified
“…Sendo elas, as sequências do fator de transcrição quimérico (LOUVION; HAVAUX-COPF; PICARD, 1993;LYTTLE et al, 1992;NALLEY;JOHNSTON;KODADEK, 2006;QUINTERO et al, 2007;TANAKA et al, 1989) para reconhecimento do indutor estrogênio e a sequência do promotor quimérico cbh1 do T. reesei (CARRARO et al, 1998;HENRIQUE-SILVA et al, 1996;NEVALAINEN;TE'O;BERQQUIST, 2005). PICARD, 1993;TANAKA et al, 1989).…”
Section: Desenho E Construção Do Sistema De Expressãounclassified
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