Biosynthesis of fluorinated secondary metabolites by Streptomyces cattleya
Article Abstract:
The growth of Streptomyces cattleya was slow in cultures containing fluorine, and when maximum growth had taken place fluoroacetate and 4-fluorothreonine were formed by the cells. The formation of these compounds was maximum when the pH is 6.0 and no interconversion of these compounds was observed. Out of all the compounds tested, only (U-14C) glycolate increased the amount of fluoroacetate as it is probably used as a substrate in the biosynthesis of fluoroacetate. Older resting cells contain more fluoroacetate than 4-fluorothreonine.
Publication Name: Microbiology
Subject: Biological sciences
ISSN: 1350-0872
Year: 1995
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Comparison of the efficacies of chloromethane, methionine, and S-adenosylmethionine as methyl precursors in the biosynthesis of veratryl alcohol and related compounds in Phanerochaete chrysosporium
Article Abstract:
Phanerochaete chrysosporium convert L-methionine to chloromethane and utilize it as a methyl precursor in the biosynthesis of veratryl alcohol, without using S-adenosylmethionine as an intermediate. Chloromethane and L-methionine facilitate, while S-adenosylmethionine inhibits the initiation of veratryl alcohol biosynthesis. The biosynthesis involves para-hydroxylation, 4-hydrobenzoic acid methylation, 4-methoxybenzoic acid meta-hydroxylation to produce isovanillic acid, and isovanillic acid methylation to produce veratric acid.
Publication Name: Applied and Environmental Microbiology
Subject: Biological sciences
ISSN: 0099-2240
Year: 1996
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