Nucleoside: Difference between revisions
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In [[biology]], '''nucleosides''' are "[[purine]] or [[pyrimidine]] bases attached to a ribose or deoxyribose."<ref>{{MeSH}}</ref> | In [[biology]], '''nucleosides''' are "[[purine]] or [[pyrimidine]] bases attached to a ribose or deoxyribose."<ref>{{MeSH}}</ref> | ||
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! Deoxynucleoside<br/>([[DNA]]) | ! Deoxynucleoside<br/>([[DNA]]) | ||
|- | |- | ||
| colspan="3" align="center"|[[Purine]] | | colspan="3" align="center"|[[Purine]] nucleobases | ||
|- align="center" valign="" | |- align="center" valign="" | ||
| [[Adenine]]<br/> | | [[Adenine]]<br/> | ||
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| [[Deoxyguanosine]]<br/>dG | | [[Deoxyguanosine]]<br/>dG | ||
|- | |- | ||
|colspan="3" align="center"|[[Pyrimidine]] | |colspan="3" align="center"|[[Pyrimidine]] nucleobases | ||
|- align="center" valign="" | |- align="center" valign="" | ||
| [[Thymine]]<br/> | | [[Thymine]]<br/> | ||
| [[5'-Methyluridine]]<br/>m<sup>5</sup>U | | [[5'-Methyluridine]]<br/>m<sup>5</sup>U<br/>(not present in RNA) | ||
| [[Thymidine]]<br/>dT | | [[Thymidine]]<br/>dT | ||
|- align="center" valign="" | |- align="center" valign="" | ||
| [[Uracil]]<br/> | | [[Uracil]]<br/> | ||
| [[Uridine]]<br/>U | | [[Uridine]]<br/>U | ||
| [[Deoxyuridine]]<br/>dU | | [[Deoxyuridine]]<br/>dU<br/>(not present in DNA) | ||
|- align="center" valign="" | |- align="center" valign="" | ||
| [[Cytosine]]<br/> | | [[Cytosine]]<br/> | ||
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[[Purine]] or [[pyrimidine]] bases (nucleobases) attached to ribose are called ribonucleosides. | |||
[[Purine]] or [[pyrimidine]] bases (nucleobases) attached to deoxyribose are called deoxynucleosides. | |||
A [[nucleotide]] is a nucleoside (a [[purine]] or [[pyrimidine]] base plus a pentose sugar) with a phosphate group added. | A [[nucleotide]] is a nucleoside (a [[purine]] or [[pyrimidine]] base plus a pentose sugar) with a phosphate group added. | ||
==References== | ==References== | ||
<references/> | <references/>[[Category:Suggestion Bot Tag]] | ||
Latest revision as of 11:00, 27 September 2024
In biology, nucleosides are "purine or pyrimidine bases attached to a ribose or deoxyribose."[1]
| Nucleobase | Ribonucleoside (RNA) |
Deoxynucleoside (DNA) |
|---|---|---|
| Purine nucleobases | ||
| Adenine |
Adenosine A |
Deoxyadenosine dA |
| Guanine |
Guanosine G |
Deoxyguanosine dG |
| Pyrimidine nucleobases | ||
| Thymine |
5'-Methyluridine m5U (not present in RNA) |
Thymidine dT |
| Uracil |
Uridine U |
Deoxyuridine dU (not present in DNA) |
| Cytosine |
Cytidine C |
Deoxycytidine dC |
Purine or pyrimidine bases (nucleobases) attached to ribose are called ribonucleosides.
Purine or pyrimidine bases (nucleobases) attached to deoxyribose are called deoxynucleosides.
A nucleotide is a nucleoside (a purine or pyrimidine base plus a pentose sugar) with a phosphate group added.
References
- ↑ Anonymous (2024), Nucleoside (English). Medical Subject Headings. U.S. National Library of Medicine.