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.

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

From The Wall Street Journal • Apr. 16, 2026

Flea-borne typhus is caused by the bacterium Rickettsia typhi.

From Los Angeles Times • Apr. 3, 2026

Small mutations can have a big impact on the behaviour of the bacterium.

From BBC • Mar. 20, 2026

Their research shows that a bacterium commonly associated with gum disease may help initiate breast cancer, accelerate tumor growth, and promote its spread by damaging DNA and changing how cancer cells behave.

From Science Daily • Mar. 19, 2026

In the early 1920s, Griffith, a medical officer at the British Ministry of Health, began to investigate a bacterium named Streptococcus pneumoniae or pneumococcus.

From "The Gene" by Siddhartha Mukherjee