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Relative production of asperphenamate and asperphenidine analogs. (A) Relative production of asperphenamate amino acid analogs in control and corresponding amino acid supplement media. (B) Production of asperphenidines F, Y, and W in control, tyrosine, tryptophan and anthranilic acid supplemented media. Error bars show standard deviation. All data, except the ones marked with asterisk, indicate statistically significant differences compared to the control (p < 0.05).
