How to Use bacterium in a Sentence

bacterium

noun
  • More on the Black Death: The plague was caused by the Yersinia pestis bacterium.
    Emilie Le Beau Lucchesi, Discover Magazine, 19 Dec. 2022
  • The bacterium was found in the boy's brain, lung, liver, and spleen.
    Beth Mole, Ars Technica, 10 Aug. 2022
  • The clear spots are areas where phage have killed the bacterium.
    David A. Shaywitz, WSJ, 4 Aug. 2023
  • The bacterium is present in deer ticks in the Northeast and Midwestern US.
    Jocelyn Solis-Moreira, Popular Science, 27 Mar. 2023
  • One is caused by fungi and the other is caused by a bacterium.
    Tim Johnson, Chicago Tribune, 19 Aug. 2023
  • So yes, the astonishing size of the bacterium is, well, big news.
    Caroline Delbert, Popular Mechanics, 12 July 2022
  • The bacterium is often found in the nose and throat of people without causing the disease.
    Monique Calello, USA TODAY, 2 Sep. 2023
  • Gros also found the bacterium attached to oyster shells, rocks and glass bottles in the swamp.
    Christina Larson, ajc, 23 June 2022
  • There is no cure for foulbrood, which is caused by the larvae of the bacterium Paenibacillus.
    Catherine Garcia, The Week, 5 Jan. 2023
  • The plague-causing bacterium Yersinia pestis is dated to have first emerged in humans about 5,000 years ago.
    Amarachi Orie, CNN, 20 Jan. 2023
  • There is a nasty bacterium that cats have in their mouths called Pasteurella.
    Cathy M. Rosenthal, San Antonio Express-News, 4 Aug. 2022
  • Scientists used a bacterium to clone each piece of the genome, and then studied them in smaller groups.
    Manasee Wagh, Popular Mechanics, 1 Apr. 2022
  • The disease was caused by a bacterium that would later become known as Yersinia pestis.
    Evan Bush, NBC News, 15 June 2022
  • That strain of the bacterium is found in tropical parts of the Americas.
    Helen Branswell, STAT, 28 July 2022
  • The bacterium also caused the third plague pandemic between the 19th and 20th centuries.
    Amarachi Orie, CNN, 20 Jan. 2023
  • This bacterium was long carried by fleas that feasted on black rats.
    Emilie Le Beau Lucchesi, Discover Magazine, 19 Dec. 2022
  • Botox is the brand name of a type of toxin produced by a bacterium called Clostridium botulinum.
    Verywell Health, 5 Feb. 2023
  • This super bacterium can survive for up to three years in outer space.
    Joshua Hawkins, BGR, 23 Mar. 2022
  • Their fur houses fleas, which can be infected with a bacterium that can set off fever.
    Madeleine Schwartz, The New York Review of Books, 27 July 2023
  • In 2011, scientists first sequenced the genome of the plague bacterium -- Yersina pestis -- found in two plague victims buried in a pit in London.
    Katie Hunt, CNN, 15 June 2022
  • When a different bacterium was endowed with genes for making fatty acid amides and fed to germ-free mice, the mice again got a dopamine boost.
    Byelizabeth Pennisi, science.org, 14 Dec. 2022
  • The problem is that uncooked rice can have spores of Bacillus cereus, which is a bacterium that can cause food poisoning.
    Andrea Beck, Better Homes & Gardens, 20 Aug. 2022
  • Any drug that wants to get into a Gram-negative bacterium's cell must traverse both membranes and the periplasm—no small feat.
    Beth Mole, Ars Technica, 5 Jan. 2024
  • The bacterium that causes anthrax — which had been present on the peninsula for over a century — emerged from the soil and spread like wildfire.
    Jim Geraghty, National Review, 27 Mar. 2022
  • If the bacterium’s DNA gets compromised, that’s bad news for the lambda phage nested within it.
    Ivan Erill-University Of Maryland, Discover Magazine, 18 Oct. 2022
  • One person died when the bacterium entered the patient's bloodstream.
    Erika Edwards, NBC News, 31 Jan. 2023
  • Larvicides made from natural substances like the bacterium Bti, for instance, have been used for three decades and cost about $1.50 per pound in the U.S.
    Elizabeth Gamillo, Smithsonian Magazine, 5 May 2022
  • This little remnant of a bacterium might be the source of some tools eukaryotic cells use to kill themselves.
    Quanta Magazine, 6 Mar. 2024
  • The bacterium typically doesn’t pose a risk to healthy people.
    Ginger Adams Otis, WSJ, 21 Mar. 2022
  • With high doses, five of the peptides killed a different kind of bacterium that grew in skin infections.
    Will Sullivan, Smithsonian Magazine, 9 Aug. 2023

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'bacterium.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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