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Secretory expression of thermostable T1 lipase through bacteriocin release protein


Citation

Raja Abdul Rahman, Raja Noor Zaliha and Leow, Thean Chor and Basri, Mahiran and Salleh, Abu Bakar (2005) Secretory expression of thermostable T1 lipase through bacteriocin release protein. Protein Expression and Purification, 40 (2). pp. 411-416. ISSN 1046-5928; ESSN: 1096-0279

Abstract / Synopsis

The extracellular production of T1 lipase was performed by co-expression of pJL3 vector encoding bacteriocin release protein in prokaryotic system. Secretory expression was optimized by considering several parameters, including host strains, inducer (IPTG) concentration, media, induction at A600 nm, temperature, and time of induction. Among the host strains tested, Origami B excreted out 18,100 U/ml of lipase activity into culture medium when induced with 50 μM IPTG for 12 h. The Origami B harboring recombinant plasmid pGEX/T1S and pJL3 vector was chosen for further study. IPTG at 0.05 mM, YT medium, induction at A600 nm of 1.25, 30 °C, and 32 h of induction time were best condition for T1 lipase secretion with Origami B as a host.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
Faculty of Biotechnology and Biomolecular Sciences
DOI Number: https://doi.org/10.1016/j.pep.2005.01.006
Publisher: Elsevier
Keywords: Geobacillus sp.; Thermostable lipase; GST fusion protein; Bacteriocin release protein
Depositing User: Erni Suraya Abdul Aziz
Date Deposited: 04 Jun 2010 08:25
Last Modified: 28 Sep 2016 08:23
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.pep.2005.01.006
URI: http://psasir.upm.edu.my/id/eprint/7073
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