Method for producing L-tryptophan by fermentation with a brevibacterium flavum mutant
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United States of America Patent
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Jul 22, 1986
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N/A
app pub date -
Apr 12, 1982
filing date -
Apr 20, 1981
priority date (Note) -
Expired
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Abstract
A method for producing L-tryptophan by fermentation, which comprises, culturing aerobically in a culture medium a mutant of the genus Brevibacterium which is resistant to azaserine and tryptophan analogue and capable of producing L-tryptophan, and recovering the L-tryptophan which accumulates in the culture medium.
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