L-glutamic acid producing bacterium and a method for producing l-glutamic acid
AssigneeAjinomoto Co., Inc.
InventorsYoshihiko Hara, Hiroshi Izui
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Abstract
The present invention describes an L-glutamic acid-producing bacterium which belongs to the genus Pantoea, Enterobacter, Klebsiella or Erwinia, wherein the bacterium has been modified by gene recombination to inactivate the rpoS gene. A method is also described for culturing the bacterium in a medium to cause accumulation of L-glutamic acid in the medium, and collecting L-glutamic acid from the medium.
Claims9
An L-glutamic acid-producing bacterium which belongs to a genus selected from the group consisting of Pantoea, Enterobacter, Klebsiella, and Erwinia, wherein the bacterium has been modified by gene recombination so that the rpoS gene is inactivated.
A method for improving the growth of an L-glutamic acid-producing microorganism under an acidic conditions comprising inactivating the rpoS gene of the microorganism by gene recombination.
Dependencies are inferred from the claim text.