Fig. 12A: Motility Medium Showing a Non-motile Bacterium

negative motility in motility test medium

Non-motile bacteria do not move away from the stab line. Heavy growth appears only along the stab. The dark red color indicates where the bacteria are growing.


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Microbiology Laboratory Manual by Gary E. Kaiser, PhD, Professor of Microbiology
is licensed under a Creative Commons Attribution 4.0 International License.
Last updated: September, 2017