Analysis of codon usage bias and evolution of equine influenza viruses
نویسندگان
چکیده
منابع مشابه
Evolution of codon usage bias in Drosophila.
We first review what is known about patterns of codon usage bias in Drosophila and make the following points: (i) Drosophila genes are as biased or more biased than those in microorganisms. (ii) The level of bias of genes and even the particular pattern of codon bias can remain phylogenetically invariant for very long periods of evolution. (iii) However, some genes, even very tightly linked gen...
متن کاملCauses and Implications of Codon Usage Bias in RNA Viruses
Choice of synonymous codons depends on nucleotide/dinucleotide composition of the genome (termed mutational pressure) and relative abundance of tRNAs in a cell (translational pressure). Mutational pressure is commonly simplified to genomic GC content; however mononucleotide and dinucleotide frequencies in different genomes or mRNAs may vary significantly, especially in RNA viruses. A series of ...
متن کاملMore Codon Usage Bias
χ measure. In statistics, the χ statstic computes how different the distribution of values is from a uniform distribution. Let d = c1 . . . cN be a DNA string in nucleotide alphabet, and let L be the total number of codons in d that are not Methinine or Tryptophan (the number does include the stop codons though). Let a be a k-degenerate amino acid, and let La be the total number of codons codin...
متن کاملIdentification of Synonymous Codon Usage Bias in the Pseudorabies Virus UL31 Gene
Background: Little knowledge of synonymous codon usage pattern of pseudorabies virus (PRV) genome, especially the UL31 gene in the process for its evolution is available. Objectives: In the present study, the codon usage bias between PRV UL31 sequence and the UL31-like sequences was identified. Materials and Methods: We used a comprehensive analysi...
متن کاملGenome-Wide Analysis of Codon Usage Bias in Epichloë festucae
Analysis of codon usage data has both practical and theoretical applications in understanding the basics of molecular biology. Differences in codon usage patterns among genes reflect variations in local base compositional biases and the intensity of natural selection. Recently, there have been several reports related to codon usage in fungi, but little is known about codon usage bias in Epichlo...
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ژورنال
عنوان ژورنال: Journal of Equine Veterinary Science
سال: 2016
ISSN: 0737-0806
DOI: 10.1016/j.jevs.2016.02.157