Add time:08/12/2019         Source:sciencedirect.com

14C-labelled anthranilic acid administered to Penicillium aurantiogriseum in stationary liquid culture was incorporated with a mean efficiency of 0.3% into the novel benzodiazepine metabolite auranthine (cas 107290-05-1). Incorporation of radioactivity from 14C-labelled glutamine, glutamate and ornithine was 0.08%, 0.06% and 0.03% respectively, consistent with the biosynthesis of auranthine, involving the condensation of two molecules of anthranilate with one molecule of glutamine. The use of anthranilic acid radiolabelled in the carbonyl carbon is an effective probe for detecting novel fungal secondary metabolites, the structure of which contains a benzodiazepine moiety.

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