Multistep metabolic engineered Klebsiella oxytoca for efficient l-leucine production
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l-Leucine is widely applied in food, feed and medical industries. In this work, an efficient l-leucine producing strain Klebsiella oxytoca LKO-14 was constructed based on an l-valine producer K. oxytoca VKO-9. The exogenous l-leucine biosynthesis pathway was i... ...