Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
May 22, 2007
Patent Application Number
10601634
Date Filed
June 24, 2003
Patent Primary Examiner
Patent abstract
There is provided a method for producing L-leucine using bacterium belonging to the genus Escherichia, which produces L-valine, L-isoleucine and L-homoleucine in an amount of less than 1% of that of L-leucine produced due to inactivation of ilvE gene coding for branched chain amino acid transaminase and produces increased amount of L-leucine due to increasing the activity of the aromatic amino acid transaminase encoded by tyrB gene.
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