Int. J. Mol. Sci. 2010, 11(9), 3195-3208; doi:10.3390/ijms11093195
Article

Expression of an Organic Solvent Stable Lipase from Staphylococcus epidermidis AT2

1 Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia 2 Institute of Biosciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia 3 Faculty of Sciences, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
* Author to whom correspondence should be addressed.
Received: 28 July 2010; in revised form: 11 August 2010 / Accepted: 7 September 2010 / Published: 13 September 2010
(This article belongs to the Section Biochemistry, Molecular Biology and Biophysics)
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Abstract: An organic solvent tolerant lipase gene from Staphylococcus epidermidis AT2 was successfully cloned and expressed with pTrcHis2 in E. coli TOP10. Sequence analysis revealed an open reading frame (ORF) of 1,933 bp in length which coded for a polypeptide of 643 amino acid residues. The polypeptide comprised of a signal peptide (37 amino acids), pro-peptide and a mature protein of 390 amino acids. Expression of AT2 lipase resulted in an 18-fold increase in activity, upon the induction of 0.6 mM IPTG after a 10 h incubation period. Interestingly, this lipase was stable in various organic solvents (25% (v/v), mainly toluene, octanol, p-xylene and n-hexane). Literature shows that most of the organic solvent stable bacterial lipases were produced by Pseudomonas sp. and Bacillus sp., but very few from Staphylococcus sp. This lipase demonstrates great potential to be employed in various industrial applications.
Keywords: Staphylococcus epidermidis; prokaryotic system; organic solvent stable

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MDPI and ACS Style

Rahman, R.N.Z.R.A.; Kamarudin, N.H.A.; Yunus, J.; Salleh, A.B.; Basri, M. Expression of an Organic Solvent Stable Lipase from Staphylococcus epidermidis AT2. Int. J. Mol. Sci. 2010, 11, 3195-3208.

AMA Style

Rahman RNZRA, Kamarudin NHA, Yunus J, Salleh AB, Basri M. Expression of an Organic Solvent Stable Lipase from Staphylococcus epidermidis AT2. International Journal of Molecular Sciences. 2010; 11(9):3195-3208.

Chicago/Turabian Style

Rahman, Raja Noor Zaliha Raja Abd.; Kamarudin, Nor Hafizah Ahmad; Yunus, Jalimah; Salleh, Abu Bakar; Basri, Mahiran. 2010. "Expression of an Organic Solvent Stable Lipase from Staphylococcus epidermidis AT2." Int. J. Mol. Sci. 11, no. 9: 3195-3208.

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