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dc.contributor.authorDíaz, Margarita-
dc.contributor.authorFerreras, Eloy-
dc.contributor.authorMoreno, Renata-
dc.contributor.authorYepes, Ana-
dc.contributor.authorBerenguer, José-
dc.contributor.authorSantamaría, Ramón I.-
dc.identifierdoi: 10.1007/s00253-008-1495-1-
dc.identifierissn: 0175-7598-
dc.identifiere-issn: 1432-0614-
dc.identifier.citationApplied Microbiology and Biotechnology 79(6): 1001-1008 (2008)-
dc.description.abstractBiotechnology needs to explore the capacity of different organisms to overproduce proteins of interest at low cost. In this paper, we show that Streptomyces lividans is a suitable host for the expression of Thermus thermophilus genes and report the overproduction of the corresponding proteins. This capacity was corroborated after cloning the genes corresponding to an alkaline phosphatase (a periplasmic enzyme in T. thermophilus) and that corresponding to a beta-glycosidase (an intracellular enzyme) in Escherichia coli and in S. lividans. Comparison of the production in both hosts revealed that the expression of active protein achieved in S. lividans was much higher than in E. coli, especially in the case of the periplasmic enzyme. In fact, the native signal peptide of the T. thermophilus phosphatase was functional in S. lividans, being processed at the same peptide bond in both organisms, allowing the overproduction and secretion of this protein to the S. lividans culture supernatant. As in E. coli, the thermostability of the expressed proteins allowed a huge purification factor upon thermal denaturation and precipitation of the host proteins. We conclude that S. lividans is a very efficient and industry-friendly host for the expression of thermophilic proteins from Thermus spp. © 2008 Springer-Verlag.-
dc.description.sponsorshipThis work has been supported by grants CSI02A05 from the Junta de Castilla y León to R. Santamaría and BIO2007-60245 and S0505/PPQ/0344 from the Ministry of Education and Science and the Comunidad Autónoma de Madrid, respectively, to J. Berenguer. Institutional grants from Fundación Ramón Areces to CBMSO and from Junta de Castilla y León are also acknowledged.-
dc.titleHigh-level overproduction of Thermus enzymes in Streptomyces lividans-
dc.description.versionPeer Reviewed-
dc.contributor.funderJunta de Castilla y León-
dc.contributor.funderMinisterio de Educación y Ciencia (España)-
dc.contributor.funderComunidad de Madrid-
dc.contributor.funderFundación Ramón Areces-
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