Micro lecture exam 2- members of the order enterobacteriales

One of the most common inhabitants of the human intestinal tract and is probably the most familiar; its presence in water is an indication of fecal contamination

Escherichia coli

Almost all members are potentially pathogenic. Common inhibitors of many animals, especially poultry and cattle. They can contaminate food

Salmonella

Responsible for a disease called bacillary dysentery. Found only in humans

Shigella

Commonly found in soil and water. Many isolates fix nitrogen. One species can cause serious pneumonia in humans.

Klebsiella

Produces a red pigment. In hospitals, can be found on catheters, in saline irrigation solutions and other supposedly sterile solutions.

Serratia

Exhibits swarming type of growth. Implicated in many infections of the urinary tract and in wounds.

Proteus