guanine
English
Ball-and-stick model of a guanine molecule. Key: black = carbon, blue = nitrogen, red = oxygen, white = hydrogen.
Alternative forms
- guanin (dated)
Etymology
guano + -ine. Guanine was named by the German chemist Julius Bodo Unger in 1846 who isolated it from guano.
Pronunciation
- IPA(key): /ˈɡwɑː.niːn/
Audio (US) (file) - Rhymes: -ɑːniːn
Noun
guanine (plural guanines)
- (chemistry) A substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA (by means of three hydrogen bonds).
- 1997, Ian McEwan, Enduring Love, Vintage (1998), page 164:
- Then he found them, the substances that made up the four-letter alphabet in whose language all life is written — adenine and cytosine, guanine and thymine.
Derived terms
Related terms
Translations
substance obtained from guano
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See also
- inosine (a nucleobase susbstitute for guanine)
Further reading
- David Barthelmy (1997–2024) “Guanine”, in Webmineral Mineralogy Database.
- “guanine”, in Mindat.org, Hudson Institute of Mineralogy, 2000–2024.
French
Pronunciation
Audio (file)
Further reading
- “guanine”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
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