Long lag times and high velocities in the motility of natural assemblages of marine bacteria.

  title={Long lag times and high velocities in the motility of natural assemblages of marine bacteria.},
  author={J. G. Mitchell and Laura Pearson and A Bonazinga and Sandra Dillon and Hoda M. Khouri and Rafaela Paxinos},
  journal={Applied and environmental microbiology},
  volume={61 3},
The motility characteristics of natural assemblages of coastal marine bacteria were examined. Initially, less than 10% of the bacteria were motile. A single addition of tryptic soy broth caused an increase in the motile fraction of cells but only after 7 to 12 h. Motility peaked at 15 to 30 h, when more than 80% of cells were motile. These results support the proposal that energy limits motility in the marine environment. Cell speeds changed more than an order of magnitude on timescales of… CONTINUE READING

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