The Journal of Infectious Diseases, Vol. 43, No. 3 (Sep., 1928), pp. 228-231 (4 pages) A new method of staining flagella includes the treatment of young cultures with acetic acid (q. s. ad 5%); a drop ...

IN dark-ground microscopy with the sun as light-source, motile bacteria, when swimming fast, show a tail, as in the top left-hand photograph reproduced. This tail is occasionally seen to untwist into ...

Swarming motility is operationally defined as multicellular, flagella-mediated surface migration of bacteria. Swarming requires intercellular interactions, surfactant secretion and an increase in ...