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{short description of image}Image Number K8987-1 Microbiologist Amy Charkowski and graduate student Abdulah Harris observe the display of a confocal microscope being used to examine an alfalfa sprout root that has been experimentally contaminated with Salmonella. The microbes show up green or blue on the computer screen. Photo by Scott Bauer.  640 pixels wide: (k8987-1.jpg)   Please visit our Image Gallery


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