Production of Substituted l-Tryptophans by Fermentation 1
AUTOR(ES)
Fukuda, D. S.
RESUMO
Claviceps purpurea has been shown to produce extracellular l-tryptophan from indole in stirred fermentors. The substrate specificity of this conversion was investigated by using substituted indoles, anthranilic acid, and 4-chloro-anthranilic acid. Addition of 2-, 4-, 5-, 6-, and 7-methyl indole or 6-chloroindole to C. purpurea C1M produced the corresponding substituted l-tryptophan. In contrast, addition of l-methyl, 6-trifluoromethyl, 6-nitro-, or 4-benzyloxy-substituted indoles, or anthranilic and 4-chloroanthranilic acids did not produce detectable amounts of the corresponding tryptophan.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=377293Documentos Relacionados
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