Colorized SEM (scanning electron micrograph) of the foodborne pathogen Salmonella enteritidis. Blue is growth medium. Picture is colored in false colors to illustrate difference. Photo by Jean Guard, ARS.
Example of signaling between bacteria. Salmonella enteritidis uses acyl-homoserine lactone for Quorum sensing
Color-enhanced scanning electron micrograph showing Salmonella Typhimurium (red) invading cultured human cells Credit: Rocky Mountain Laboratories, NIAID, NIH All the images, except specified ones from the Worl More