L-threonine importer from Corynebacterium and a...

Details L-threonine importer from Corynebacterium and a... L-threonine importer from Corynebacterium and a...

2011-01-04

2011-01-04

Nguyen, Quang (Department: 1633)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C435S487000, C435S106000

Reexamination Certificate

active

07863435

ABSTRACT:
The present invention relates to a preparation method of an L-threonine producing strain by utilizing a novel L-threonine importer identified fromCorynebacterium glutamicum. The method can be advantageously used for the production of L-threonine by increasing the fermentation concentration of Lthreonine and the yield per unit thereof.

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Palmieri et al. Threonine diffusion and threonine transport inCorynebactrium glutamicumand their role in threonine production. Arch. Microbiol. 165:48-54, 1996 (the entire article).
Okamoto et al. Hyperproduction of L-threonine by anEscherichia colimutant with impaired L-threonine uptake. Biosci. Biotech. Biochem. 61:1877-1882, 1997.
S. Nakagawa et al., Genbank Accession #BAC00421 Jun. 5, 2002.
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P. Simic et al., J. Bacteriol., vol. 183, No. 18, Sep. 2001, pp. 5317-5324.
L. Palmieri et al., Arch. Microbiol., vol. 165, 1996, pp. 48-54.

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