Potential Swimming Motility Variation by AcrR in Escherichia coli
2016
Kim, Y.J., Ewha Womans University, Seoul, Republic of Korea | Im, S.Y., Ewha Womans University, Seoul, Republic of Korea | Lee, J.O., Ewha Womans University, Seoul, Republic of Korea | Kim, O.B., Ewha Womans University, Seoul, Republic of Korea
AcrR, the toxic-compounds-response regulator, regulates motility in microorganisms, presumably to escape from toxic environments. In this study, the genome-wide target genes of AcrR were investigated in a ΔacrR mutant strain by microarray analysis. In the absence of AcrR, the transcription of most flagella/motility genes was highly increased. In addition, flagella formation was increased in this mutant strain. Motility assays revealed that AcrR modulates swimming motility, but not swarming.
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