CAIcal: A combined set of tools to assess codon usage adaptation
نویسندگان
چکیده
منابع مشابه
P-128: Optimization of Human LH Gene Expression by Codon Usage Adaptation in CHO Cell Line
a:4:{s:10:"Background";s:897:"Human luteinizing hormone (hLH) belongs to glycoprotein hormones which is composed of two non-covalently linked subunit, α and β. The α-subunit is similar in all glycoprotein hormones, whereas the β-subunit is conferring the hormonal specificity. This hormone has important roles in the growth and maturity of sexual organs and secondary sexual characteristics and st...
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We propose a simple, sensitive measure of synonymous codon usage bias, the Relative Codon Adaptation Index (rCAI), as a way to discriminate better between highly biased and unbiased regions, compared with the widely used Codon Adaptation Index (CAI). CAI is a geometric mean of the relative usage of codons in a gene, and is calculated using the codon usage table trained with a set of highly expr...
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Two alternative hypotheses attribute different benefits to codon-anticodon adaptation. The first assumes that protein production is rate limited by both initiation and elongation and that codon-anticodon adaptation would result in higher elongation efficiency and more efficient and accurate protein production, especially for highly expressed genes. The second claims that protein production is r...
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A simple, effective measure of synonymous codon usage bias, the Codon Adaptation Index, is detailed. The index uses a reference set of highly expressed genes from a species to assess the relative merits of each codon, and a score for a gene is calculated from the frequency of use of all codons in that gene. The index assesses the extent to which selection has been effective in moulding the patt...
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Viruses differ markedly in their specificity toward host organisms. Here, we test the level of general sequence adaptation that viruses display toward their hosts. We compiled a representative data set of viruses that infect hosts ranging from bacteria to humans. We consider their respective amino acid and codon usages and compare them among the viruses and their hosts. We show that bacteria-in...
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ژورنال
عنوان ژورنال: Biology Direct
سال: 2008
ISSN: 1745-6150
DOI: 10.1186/1745-6150-3-38