Figure 2
From: Identification of a High-Affinity Pyruvate Receptor in Escherichia coli
Effects of an excess of individual amino acids on the expression of yjiY. (A) E. coli MG1655/pBBR yjiY-lux was grown in LB medium supplemented with one of the indicated amino acids (at 20 mM), and growth and luminescence were monitored over time. Maximal yjiY expression values are depicted. The open circle provides a benchmark and indicates yjiY expression in E. coli grown in LB medium. (B) Expression of yjiY in LB (dotted line) supplemented with increasing L-serine concentrations. (C) Corresponding E. coli growth curves in LB media supplemented with increasing L-serine concentrations. Experiments were performed at least three times (standard deviation <10%), and results of a representative experiment are shown.
