Abstract: The present invention relates to a method for preparing a D-lactic acid-producing strain modified to inhibit L-lactate dehydrogenase (L-LDH) activity and to introduce D-lactate dehydrogenase (D-LDH) activity in an L-lactic acid-producing strain, a mutated D-lactic acid-producing strain prepared by the above method, and a method for producing D-lactic acid including the steps of culturing the strain and recovering D-lactic acid from the culture media.
Type:
Grant
Filed:
April 24, 2013
Date of Patent:
November 27, 2018
Assignee:
CJ CHEIJEDANG CORPORATION
Inventors:
Eun Bin Yang, Tae Hee Lee, Seon Hye Kim, Young Lyeol Yang, Hong Xian Li
Abstract: Disclosed herein is a novel bacteriophage which has specific bactericidal activity against one or more Salmonella bacteria selected from the group consisting of Salmonella Enteritidis, Salmonella Typhimurium, Salmonella Gallinarum, and Salmonella Pullorum without affecting beneficial bacteria, in addition to showing excellent tolerance to acid, heat and desiccation. The novel bacteriophage can be widely used as an active ingredient for therapeutic agents, animal feeds or drinking water, cleaners and sanitizers for preventing and treating the infectious diseases caused by Salmonella Enteritidis, Salmonella Typhimurium, Salmonella Gallinarum or Salmonella Pullorum including salmonellosis, Salmonella food poisoning, Fowl Typhoid, and Pullorum disease or for controlling the salmonella bacteria.
Type:
Grant
Filed:
September 3, 2010
Date of Patent:
October 23, 2012
Assignee:
CJ Cheijedang Corporation
Inventors:
Soo An Shin, Min Tae Park, Hyang Choi, Young Wook Cho, In Hye Kang, Su Jin Choi
Abstract: Described herein are microorganisms that produce methionine and related products from endogenous genes in a transsulfuration pathway, as well as from exogenous genes providing a direct sulfhydrylation pathway. Novel genes that are useful for methionine and SAMe production are disclosed.
Type:
Application
Filed:
April 11, 2007
Publication date:
July 28, 2011
Applicant:
CJ Cheijedang Corporation
Inventors:
Brian Brazeau, Jin-Sook Chang, Kwang Myung Cho, Young Wook Cho, Mervyn Desouza, Holly J. Jessen, So-Young Kim, Wei Niu, Fernando A. Sanchez-Riera, Yong-Uk Shin, Hyewon Um