neuraminidase

noun

neur·​amin·​i·​dase ˌnu̇r-ə-ˈmi-nə-ˌdās How to pronounce neuraminidase (audio)
ˌnyu̇r-,
-ˌdāz
: a hydrolytic enzyme that occurs on the surface of the pneumococcus, influenza-causing viruses, and some paramyxoviruses as an antigen and that splits mucoproteins by breaking a glucoside link

Examples of neuraminidase in a Sentence

Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Flu viruses are classified based on two proteins that sit on the surface of the virus an H, or hemagglutinin, protein, and an N, or neuraminidase, protein. Carma Hassan, CNN, 7 Sep. 2024 They are currently designated simply as H5 and not H5N1 because CDC labs are still working on typing the neuraminidase, the N number in the virus’ name, STAT’s Helen Branswell reports. Brittany Trang, STAT, 26 July 2024 The neuraminidase protein on the 2009 virus, the N1, is quite similar, genetically, to the neuraminidase in H5N1. Helen Branswell, STAT, 5 June 2024 Flu vaccines often generate immune responses to fast-evolving bits of proteins on the outside of flu virus particles, hemagglutinin (Ha or H) and neuraminidase (Na or N). Ashley Belanger, Ars Technica, 16 May 2023 See all Example Sentences for neuraminidase 

Word History

Etymology

neuraminic acid, an amino acid + -ide + -ase

First Known Use

1957, in the meaning defined above

Time Traveler
The first known use of neuraminidase was in 1957

Dictionary Entries Near neuraminidase

Cite this Entry

“Neuraminidase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neuraminidase. Accessed 17 Nov. 2024.

Medical Definition

neuraminidase

noun
neur·​amin·​i·​dase ˌn(y)u̇r-ə-ˈmin-ə-ˌdās, -ˌdāz How to pronounce neuraminidase (audio)
: a hydrolytic enzyme that occurs on the surface of the pneumococcus, the orthomyxoviruses, and some paramyxoviruses and that cleaves terminal acetylated neuraminic acids from sugar residues (as in glycoproteins and mucoproteins)

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