Codon usage bias - Wikipedia, the free encyclopedia
Codon usage bias refers to differences in the frequency of occurrence of synonymous codons in genomic DNA. A codon is a series of three nucleotides (triplets) that encodes a specific amino acid resid...
en.wikipedia.org/wiki/Codon_usage_bias
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The gcua tools display the codon usage in a graphical manner.Differences in codon usage among organisms can lead to a variety of problems concerning heterologous gene expression. Heterologous protein expression... ... Submit a DNA sequence in raw or fasta format and choose a codon usage table. The sequence will be splitted...
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Codon Usage accepts a DNA sequence and returns the number and frequency of each codon type. Since the program also compares the frequencies of codons that code for the same amino acid (synonymous codons), you can use it to assess whether a sequence shows a preference for particular synonymous codons.
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www.bioinformatics.org/sms/codon_usage.html
www.bioinformatics.org/sms/codon_usage.html
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CodonW is a programme designed to simplify the Multivariate analysis (correspondence analysis) of codon and amino acid usage. It also calculates standard indices of codon usage. It has both menu and command-line interfaces.
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codonw.sourceforge.net/
codonw.sourceforge.net/
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CAI is a measurement of the relative adaptiveness of the codon usage of a gene towards the codon usage of highly expressed genes. The relative adaptiveness (w) of each codon is the ratio of the usage of each codon, to that of the most abundant codon for the same amino acid.
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codonw.sourceforge.net/Indices.html
codonw.sourceforge.net/Indices.html
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Click here to Codon Usage Database at Kazusa.
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www.dna.affrc.go.jp/~nakamura/codon.html
www.dna.affrc.go.jp/~nakamura/codon.html
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Most such coding statistics measure either codon usage bias, base compositional bias between codon positions, or periodicity in base occurrence (or a mixture of all them). Exhaustive reviews can be found elsewhere (see, for instance, Gelfand gelfand:1995a and the references therein).
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www.pdg.cnb.uam.es/cursos/FVi2001/GenomAna/GeneIdentifi...
www.pdg.cnb.uam.es/cursos/FVi2001/GenomAna/GeneIdentification/SearchContent/main.html
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PLoS Computational Biology is an open-access ... To this aim, we introduce a clustering method based on information theory, specifically designed to cluster genes according to their codon usage and apply it to the coding sequences of Escherichia coli and Bacillus subtilis.
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www.ploscompbiol.org/article/info:doi%2F10.1371%2Fjourn...
www.ploscompbiol.org/article/info:doi%2F10.1371%2Fjournal.pcbi.0020037
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E. coli Codon Usage Analyzer 2. ... by Morris Maduro ... U can be put in place of T. The 'threshold' is the cutoff to display a different color for a particular codon, and for the tally of 'bad' codons.
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www.lifesci.ucsb.edu/~maduro/codonusage/usage2.0c.htm
www.lifesci.ucsb.edu/~maduro/codonusage/usage2.0c.htm
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