Movies of swimming motility

Escherichia coli

Rhodobacter sphaeroides


Movies of swarming motility

Escherichia coli swarm

Salmonella typhmurium swarm

Serratia marcescens swarm

Movies of gliding motility


Mycoplasma mobile

Flavobacterium johnsoniae

Movies of Twitching motility

Pseudomonas aeruginosa

Other movies

Tethered bacteria

Escherichia coli patterns

Carpets and microchannels

Miscellaneous movies

Marvels of Bacterial Behavior - History & Physics of Bacterial Motion

Rowland Institute         Harvard University

Tethered bacteria

If a single flagellar filament, hook or polyhook is attached to the substratum, the cell body will spin (Silverman and Simon, 1974). The first movie shows tethered Streptococcus (Manson et al., 1980).

The next two show tethered E. coli. Other tethered cells are shown under Miscellaneous movies: Attractant pipette, Electrorotation, Measuring torque.


Tethered Streptococcus

Tethered E. coli 1

Tethered E. coli 2


Manson, M.D., Tedesco, P.M. and Berg, H.C. Energetics of flagellar rotation in bacteria. J. Mol. Biol. 138, 541-561 (1980).

Silverman, M. and Simon, M. Flagellar rotation and the mechanism of bacterial motility. Nature 149, 73-74 (1974).