English Explanatory Dictionary

cytosine

English dictionary entry

Meanings

noun
  1. A heterocyclic base, 4-aminopyrimidin-2(1H)-one, which pairs with guanine in DNA and RNA (by means of three hydrogen bonds).

Pronunciation

/ˈsaɪtəsiːn/ LL-Q1860 (eng)-Wodencafe-cytosine.wav

Word forms

cytosine cytosines

Etymology

After German Cytosin, equivalent to Ancient Greek κύτος (kútos) + -ine. Cytosine was discovered and named by the German biochemists Albrecht Kossel and Albert Neumann in 1894 when it was hydrolyzed from calf thymus tissues.

Related words

cytidine cytidylate cytidylic acid

Derived words

arabinosylcytosine azacytosine cidofovir cytarabine cytosine arabinoside deoxycytosine fluorocytosine hydroxymethylcytosine methylcytosine polycytosine thiocytosine
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