Uridine
Uridine
Uridine (pronounced: yoo-ri-deen) is a glycosylated pyrimidine-analog containing uracil attached to a ribose ring (or more specifically, a ribofuranose) via a β-N-acetylglucosaminyl linkage. It is one of the five standard nucleosides which make up nucleic acids, the others being adenosine, guanosine, cytidine, and thymidine. Uridine plays a crucial role in a range of metabolic processes and is a key component of RNA (Ribonucleic Acid).
Etymology
The term "Uridine" is derived from the nucleobase uracil and the sugar ribose. The word "uracil" is a combination of "ur-" from "urea", a compound first discovered in urine, and "-il", a common suffix used in organic chemistry to denote a specific type of compound. The term "ribose" comes from "ribo-", a prefix referring to the ribose sugar, and "-ose", a common suffix used in biochemistry to denote sugars.
Related Terms
- Uracil: One of the four nucleobases in the nucleic acid of RNA. Uracil is a pyrimidine derivative, with a heterocyclic aromatic ring and two substituents attached (an amine group at position 4 and a keto group at position 2).
- Ribose: A pentose sugar important in the formation of RNA and various other compounds that are critical to life.
- Nucleoside: A structural subunit of nucleic acids, composed of a sugar and one of several types of nitrogenous bases.
- RNA: A polymeric molecule essential in various biological roles in coding, decoding, regulation and expression of genes.
- Pyrimidine: A heterocyclic aromatic organic compound similar to benzene and pyridine, containing two nitrogen atoms at positions 1 and 3 of the six-member ring.
External links
- Medical encyclopedia article on Uridine
- Wikipedia's article - Uridine
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