Process for the production of L-tryptophan using sulfaguanidine-resistant microorganisms
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United States of America Patent
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Oct 21, 1986
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N/A
app pub date -
Apr 13, 1984
filing date -
Apr 13, 1983
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Expired
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Abstract
A method for producing L-tryptophan by fermentation which comprises aerobically culturing in a culture medium a mutant of the genus Corynebacterium or genus Brevibacterium which is resistant to sulfaguanidine and capable of producing L-tryptophan, and recovering the L-tryptophan which has accumulated in the culture medium.
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