Cj Cheiljedang Corporation

Cheiljedang Corp.

Eun Sung Koh

Ji Sun Lee

Kwang Ho Lee

Young Bin Hwang

Hyung Joon Kim

Keun Cheol Lee

Jae Yeong Ju

Su Yon Kwon

Hyeong Pyo Hong

Chang Il Seo

Soo An Shin

Young-Hoon Park

Sung Hoo Jhon

Keun Chul Lee

Ki Yong Cheong

Chul Ha Kim

Sung-Sik Park

Do Hyun Kwon

Whan-Koo Kang

Sung Oh Chung

Juno Jang

Bheonk-Uk Lee

Disclosed are a recombinant microorganism having enhanced L-amino acid producibility, wherein the recombinant microorganism is transformed to have an inactivated phage receptor thereof, and a method of producing an L-amino acid using the recombinant microorganism. The use of the recombinant microorganism may enable the production of the L-amino acid in a highly efficient manner.

Microorganisms producing L-amino acids and process for producing L-amino acids using the same

Disclosed are a recombinant microorganism having enhanced L-amino acid productivity, wherein the recombinant microorganism is transformed to have removed or decreased activity of at least one of adenosine deaminase and AMP nucleosidase, and a method of producing an L-amino acid using the recombinant microorganism. The use of the recombinant microorganism may enable the production of the L-amino acid in a highly efficient manner.

Microorganisms having enhanced L-amino acids productivity and process for producing L-amino acids using the same

The present invention relates to anmutant strain having enhanced L-threonine productivity, which is obtained by introducing the permease oforigin, and to method of producing L-threonine using themutant strain.

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The present application relates to an L-threonine-producing microorganism and a production method for L-threonine using the same, and more specifically, to a microorganism having enhanced L-threonine productivity and a method for producing L-threonine in high yield using the same.

L-threonine-producing microorganism and production method for L-threonine using the same

Disclosed is a polynucleotide encoding &#x3b3;-butyrobetaine hydroxylate (&#x3b3;-BBH) originating from. Also disclosed are a recombinant vector comprising the polynucleotide, a transformant transformed with the recombinant vector, &#x3b3;-BBH encoded by the polynucleotide, and a method of preparing L-carnitine, which comprises hydroxylating &#x3b3;-butyrobetaine using &#x3b3;-BBH encoded by the polynucleotide.

An L-threonine-producingin which a promoter of a phosphoenolpyruvate carboxylase (ppc) gene on the chromosome is substituted with a promoter of a cysteine synthase (cysK) gene and a method of producing L-threonine by using the same are disclosed. The recombinantmay produce L-threonine in a high yield, and thus may be widely used in medical, pharmaceutical, and feed industries, particularly for an animal feed.

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Suwon-si, South Korea

Eun Sung Koh