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The chemotaxis response of wild-type E. coli to 50 and 500 μM of (R)-DHMA and (S)-DHMA. The response was averaged from three separate experiments. The error bars indicate the standard deviation. Statistical significance is indicated for the comparison of responses to (R)-DHMA and (S)-DHMA using the Student’s t-test at a significance level of p < 0.01 (∗∗) for 50 μM and of p < 0.04 (∗) for 500 μM DHMA.
