The spiral-shaped bacteria Helicobacter pylori are common and troublesome.

More than 13 percent of Americans have an H. pylori infection, although rates vary with age, race and socioeconomic status. The microorganism uses its corkscrew-like tail to power forward through viscous fluids such as stomach mucus. When it arrives at the epithelium of the stomach wall, it can cause everything from ulcers to cancer.

In a new study published by Physical Review Letters, FAMU-FSU College of Engineering researchers created a 3D model of this bacteria to better understand its movement, hoping to crack the code governing the organism’s motility and develop alternative treatments for infections, such as strengthening the gastric mucus barrier that stands against the bacteria.

“People around the world have treated ulcers with antibiotics because antibiotics kill bacteria, but it’s a double-edged sword,” said study co-author Hadi Mohammadigoushki, an associate professor in the Department of Chemical and Biomedical Engineering. “If we understand how these bacteria move, we can work toward providing other solutions for treatment.”

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