Effects of an inhibitor (p-chlorophenylalanine) of the phenylalanine-hydroxylating system on fatty acid synthesis in M. alpina. The hatched bars, shaded bars, and open bars represent M. alpina grown in inhibitor medium, inhibitor and tyrosine medium, and inhibitor-free medium, respectively. The data were normalized to the concentration of fatty acids (mg/g [cell dry weight]) from M. alpina grown on inhibitor-free medium, defined as 100%. The data shown are the averages (± standard deviations) of three independent experiments.