Microorganisms and methods for producing threonine

Chemistry: molecular biology and microbiology – Micro-organism – per se ; compositions thereof; proces of... – Bacteria or actinomycetales; media therefor

Reexamination Certificate

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C435S115000, C435S252330

Reexamination Certificate

active

06893860

ABSTRACT:
The present invention relates to methods and microorganisms for producing L-threonine. In particular, the present invention relates to the production of L-threonine using microorganisms, andEscherichia colistrains in particular, which require L-methionine for growth and are L-isoleucine-leaky, are resistant to α-methylserine, diaminosuccinic acid, L-glutamic acid, L-threonine, medium containing 60% of L-threonine fermentation mother liquid, azetidine and dehydroproline, and which are susceptible to fluoropyruvate.

REFERENCES:
patent: 9810327 (1998-07-01), None

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