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Related to codon: anticodon, codon usage, Anti codon


A sequence of three adjacent nucleotides constituting the genetic code that determines the insertion of a specific amino acid in a polypeptide chain during protein synthesis or the signal to stop protein synthesis.

[cod(e) + -on.]


1. (Genetics) genetics biochem a unit that consists of three adjacent bases on a DNA molecule and that determines the position of a specific amino acid in a protein molecule during protein synthesis
2. (Biochemistry) genetics biochem a unit that consists of three adjacent bases on a DNA molecule and that determines the position of a specific amino acid in a protein molecule during protein synthesis
[C20: from code + -on]


(ˈkoʊ dɒn)

a triplet of adjacent nucleotides in the messenger RNA chain that codes for a specific amino acid in the synthesis of a protein molecule. Compare anticodon.
[1960–65; code + -on1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.codon - a specific sequence of three adjacent nucleotides on a strand of DNA or RNA that specifies the genetic code information for synthesizing a particular amino acid
sequence - serial arrangement in which things follow in logical order or a recurrent pattern; "the sequence of names was alphabetical"; "he invented a technique to determine the sequence of base pairs in DNA"
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Six subtypes of sCJD have been classified according to the prion protein (PrP) genotype at codon 129 (methionine [M]/M, M/valine [V], VV) and the biochemical profile of the protease-resistant core of the abnormal disease-specific PrP (Pr[P.
When trying to interpret the sequence of these bacteria using the canonical codon table, Opal, normally interpreted as a stop sign, resulted in the bacteria having unbelievably short genes.
The [beta]-globin gene mutation at codon 37 [TGG (Trp)[right arrow]TGA (stop codon)] gives rise to a [[beta].
Additionally, GenScript's OptimumGene (TM) codon optimization technology can alter the sequence of natural genes, to increase the expression of the subsequent protein in a number of systems.
The activities were designed to teach students how to read a messenger RNA (mRNA) codon sequence and match that codon up with an amino acid.
Crick gave flexible rules for pairing the third base of the codon with the first base of the anticodon, to the extent that a single tRNA type would be able to recognize up to three codons.
Data will be presented on the development and evaluation of expanded research use assays based on the Signature([R]) technology platform* for the specific and sensitive detection of relevant mutations in 3 independent multiplexed panels: 1) KRAS codons 12/13 with BRAF codons 600/601; 2) HRAS codons 12/61 with NRAS codon 61; and 3) EGFR deletions/point mutations.
We rely on our preliminary results that show a striking dichotomy in codon usage: genes involved in cellular proliferation have distinct codon usage compared to genes involved in differentiation and other multi-cellular process.
In the first study, with just a single codon removed, the genomically recoded organism showed increased resistance to viral infection.
Most clinically affected vCJD patients are homozygous for methionine on polymorphic codon 129 on the gene coding PrP (PRNP), and the clinical presentation of vCJD in these patients is uniform (4).
DNA sequencing (ABI 3130 Genetic Analyzer, Applied Biosystems, Foster City, CA, USA) confirmed this Hb variant with a heterozygous mutation at the [beta]-globin gene exon 1 codon 2 (c.