cytidine

[ sit-i-deen, -din, sahy-ti- ]

noun

, Biochemistry.

1. a white crystalline powder, C 9 H 13 N 3 O 5 , that is a ribonucleoside consisting of d -ribose and cytosine.

cytidine

/ ˈsɪtɪˌdaɪn /

noun

1. biochem a nucleoside formed by the condensation of cytosine and ribose

Other Words From

• cyt·i·dyl·ic [sit-i-, dil, -ik, sahy-ti-], adjective

Word History and Origins

Origin of cytidine¹

< German Cytidin (1910), equivalent to cyt- cyto- + -idin suffix of organic compounds

Word History and Origins

Origin of cytidine¹

C20: from cyto- + -ide + -ine ²

Example Sentences

The compound can shift its configuration, sometimes mimicking the nucleoside cytidine and sometimes mimicking uridine.

From Scientific American

Early work showed molnupiravir inserts itself into RNA in place of the nucleoside cytidine, prompting errors in the copying process and causing a lethal buildup of mutations in the virus.

From Science Magazine

But those enzymes, called cytidine deaminases, normally act only on single-stranded DNA.

From Nature

Chief among these is the fact that cytidine deaminase is toxic to mammalian cells.

From Nature

These occurred as a result of tobacco exposure and the activity of enzymes called cytidine deaminases, which normally deactivate invading viruses as part of the immune response.

From Nature