bacterium

Plague is a disease caused by the Yersinia pestis bacterium, the same pathogen that killed millions of people in Europe during the Middle Ages.

From Barron's ● Oct. 7, 2026

The bacterium that causes the plague, Yersinia pestis, found among rodents such as marmots in the area.

From BBC ● Oct. 7, 2026

The team reconstructed 26 genomes of Yersinia pestis, the bacterium that causes plague, from human remains recovered at 11 archaeological sites in Estonia, Russia, England, the Netherlands, and Switzerland.

From Science Daily ● Sep. 20, 2026

It uses a harmless bacterium to insert DNA into the rootstock exactly where it is needed to give the tree resistance.

From The Wall Street Journal ● Sep. 19, 2026

It took nature hundreds of millions of years to evolve a bacterium, and billions to make a grasshopper.

From "Cosmos" by Carl Sagan

Then about 1.25 billion years ago, one of these photosynthesizing bacteria partnered with another one-celled organism to create green algae, one lineage of which became the ancestor of all plants.

From The Wall Street Journal ● Oct. 16, 2026

Their name comes from Greek words meaning "big eaters," reflecting their ability to surround and engulf bacteria, damaged cells, and other unwanted material.

From Science Daily ● Oct. 16, 2026

This sleight of hand, Mr. Silvertown explains, was first performed by aquatic bacteria more than three billion years ago.

From The Wall Street Journal ● Oct. 16, 2026

However, the results do not mean that bacteria are suddenly capable of consuming the enormous amounts of conventional plastic already accumulating in the environment.

From Science Daily ● Oct. 16, 2026

Leeuwenhoek was the first to see single-celled microorganisms, tiny plants and tiny animals, including bacteria.

From "Phineas Gage" by John Fleischman