uridine

noun

uri·​dine ˈyu̇r-ə-ˌdēn How to pronounce uridine (audio)
: a ribonucleoside C9H12N2O6 containing uracil that in the form of phosphate derivatives plays an important role in carbohydrate metabolism

Examples of uridine in a Sentence

Recent Examples on the Web Reduces stress and anxiety: Beets contain uridine, a substance that helps maintain normal dopamine levels. Bianca London, Glamour, 6 Sep. 2023 But the 5 prime uridine residues also happen to be where the SARS-CoV-2 endonuclease cleaves, further restricting the sensing capabilities of MDA5 and OAS1. William A. Haseltine, Forbes, 28 Oct. 2021 The genetic code is modified to have artificial components—such as pseudouridine instead of RNA’s usual uridine—so that the immune system doesn’t automatically recognize the vaccine as foreign genetic material and try to destroy it. Beth Mole, Ars Technica, 1 May 2020 Researchers see promise in a natural process called pseudouridylation, in which a set of protein and RNA enzymes chemically modify the structure of uridines in mRNA. Sara Reardon, Scientific American, 5 Feb. 2020

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

Word History

Etymology

International Scientific Vocabulary ur- entry 1 + -idine

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of uridine was in 1911

Dictionary Entries Near uridine

Cite this Entry

“Uridine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uridine. Accessed 19 Mar. 2024.

Medical Definition

uridine

noun
uri·​dine ˈyu̇r-ə-ˌdēn How to pronounce uridine (audio)
: a ribonucleoside C9H12N2O6 containing uracil in the form of phosphate derivatives that plays an important role in carbohydrate metabolism
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