Article
Improved activity and thermostability of Bacillus pumilus lipase by directed evolution.
Journal of biotechnology - 10 Mar 2013
Akbulut Nagihan, Tuzlakoğlu Öztürk Merve, Pijning Tjaard, İşsever Öztürk Saliha, Gümüşel Füsun
Abstract excerpt
To improve enzymatic activity of Bacillus pumilus lipases, DNA shuffling was applied to two lipase genes from local B. pumilus isolates. Using a high-throughput activity assay, the mutant with highest activity was selected. This chimeric mutant (L3-3), carrying two crossover positions and three point mutations, has a specific activity 6.4 and 8.2 times higher than the two parent enzymes. The mutant also is more...
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