Abstract
VARIOUS species of marine Vibrio produce two distinct types of flagella, each adapted for a different type of motility1. A single, sheathed polar flagellum is suited for swimming in liquid medium, and numerous unsheathed lateral flagella, which are produced only under viscous conditions, are suited for swarming over viscous surfaces2-3. Both types of flagella are driven by reversible motors embedded in the cytoplasmic membrane. Here we report that the energy source for the polar flagellar motor of Vibrio para-haemolyticus is the sodium-motive force, whereas the lateral flagellar motors are driven by the proton-motive force. This is evidence that two distinct types of flagella powered by different energy sources are functionally active in one cell.
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Atsumi, T., McCartert, L. & Imae, Y. Polar and lateral flagellar motors of marine Vibrio are driven by different ion-motive forces. Nature 355, 182–184 (1992). https://doi.org/10.1038/355182a0
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DOI: https://doi.org/10.1038/355182a0
