Azevedo, N.F., Almeida, C., Cerqueira, L., Dias, S., Keevil, C.W. and Vieira, M.J.
Coccoid form of Helicobacter pylori as a morphological manifestation of cell adaptation to the environment
Applied and Environmental Microbiology, 73, (10), . (doi:10.1128/AEM.00047-07).
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After characterization of preferred conditions for Helicobacter pylori survival in the sessile state, it was observed that the bacterium transforms from spiral to coccoid under mild circumstances, whereas under extreme ones it is unable to undergo shape modification. This strongly supports the view that transformation into the coccoid form is an active, biologically led process, switched on by the bacterium as a protection
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