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Materials and methods for efficient lactic acid production

United States Patent

December 8, 2009
View the Complete Patent at the US Patent & Trademark Office
The present invention provides derivatives of ethanologenic Escherichia coli K011 constructed for the production of lactic acid. The transformed E. coli of the invention are prepared by deleting the genes that encode competing pathways followed by a growth-based selection for mutants with improved performance. These transformed E. coli are useful for providing an increased supply of lactic acid for use in food and industrial applications.
Zhou; Shengde (Sycamore, IL), Ingram; Lonnie O'Neal (Gainesville, FL), Shanmugam; Keelnatham T. (Gainesville, FL), Yomano; Lorraine (Gainesville, FL), Grabar; Tammy B. (Gainesville, FL), Moore; Jonathan C. (Gainesville, FL)
University of Florida Research Foundation, Inc. (Gainesville, FL)
11/ 501,137
August 8, 2006
GOVERNMENT SUPPORT This invention was made with government support under a grant awarded from the Department of Energy under grant number USDOE-DE FG02-96ER20222 and Department of Energy in conjunction with the United States Department of Agriculture under grant number USDA & DOE Biomass RDI DE FG36-04GO14019. This invention was also made with government support from the U.S. Department of Agriculture under grant numbers 01-35504-10669 and 00-52104-9704. The government has certain rights in the invention.