Figure 2.
Effect of different concentrations of casamino acids on the GUS activities in total cellular protein extracts (T) and in culture supernatants (S) of Xanthomonas campestris pv. campestris strain 8004/pLGUS0241 grown in medium XCM1 for 20 hours. Values given are the means and standard deviations of triplicate measurements. Data presented were from a representative experiment and similar results were obtained in two other independent experiments.