Image Number K8106-16

Microbiologist Judith Stabel and research associate Jay Ellingson examine an autoradiograph of a Mycobacterium paratuberculosis-specific gene cloned at the National Animal Disease Center. The gene is used in a polymerase chain reaction assay to detect M. paratuberculosis.

Photo by Bruce Fritz.

640 pixels wide: (k8106-16.jpg)