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Signal peptides from filamentous fungi efficiently mediate the secretion of recombinant proteins in Kluyveromyces lactis

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dc.contributor.author Aravind, M
dc.contributor.author Rajeev K sugumaran
dc.date.accessioned 2016-06-07T11:30:59Z
dc.date.available 2016-06-07T11:30:59Z
dc.date.issued 2015-10-15
dc.identifier.citation Biochemical Engineering Journal 102:31-37,15-Oct 2015 en_US
dc.identifier.uri http://hdl.handle.net/123456789/2316
dc.description.abstract Kluyveromyces lactis is an established host for the secretory production of heterologous proteins. The secretion of enhanced green fluorescent protein (EGFP) in K. lactis mediated by nine secretion signals originating from different filamentous fungi – Aspergillus niger, Aspergillus nidulans, Aspergillus terreus, Aspergillus awamori and Trichoderma reesei were investigated. EGFP was fused to the carboxyl terminus of signals and was expressed under the control of the lac4 promoter. In all the cases, EGFP was secreted into the extracellular fluid. SDS-polyacrylamide gel electrophoresis, western blot analysis of the culture supernatant, and fluorescence measurements confirmed the efficient secretion of EGFP mediated by the novel secretion sequences. In addition, we confirmed that codon optimization and addition of kex2 protease cleavage site in filamentous fungal signal peptide elevated the expression level of recombinant proteins. Efficiency of fungal signal peptide in secretion of other heterologous proteins was demonstrated through secretion of recombinant human interferon . en_US
dc.language.iso en en_US
dc.publisher Elsevier en_US
dc.subject Secretion ;signal Codon optimization; Heterologous; protein Kex2 Green fluorescent protein en_US
dc.title Signal peptides from filamentous fungi efficiently mediate the secretion of recombinant proteins in Kluyveromyces lactis en_US
dc.type Article en_US


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