bacterium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For years, researchers have linked one specific bacterium, Bacteroides fragilis, to colorectal cancer.

From Science Daily • Apr. 22, 2026

The researchers began by studying Danish patients who had experienced a serious bloodstream infection caused by the gut bacterium Bacteroides fragilis.

From Science Daily • Apr. 22, 2026

The key difference turned out to be a virus living inside the bacterium.

From Science Daily • Apr. 22, 2026

One lowly bacterium possesses a flagellum—a tiny tail or rotor.

From The Wall Street Journal • Apr. 16, 2026

They used HeLa to test the effects of steroids, chemotherapy drugs, hormones, vitamins, and environmental stress; they infected them with tuberculosis, salmonella, and the bacterium that causes vaginitis.

From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot