Contact: Leila Gray
leilag@u.washington.edu
206-685-0381
University of Washington
Caption: In this magnified image of genetically identical Salmonella, the bacteria shown in yellow-green are manufacturing the protein needed to build flagella to swim, and the reddish ones are not.
Credit: Kate Sweeney/UW
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Related news release: How Salmonella forms evil twins to evade the body's defenses