Synonymous codon usage pattern in model legume Medicago truncatula
نویسندگان
چکیده
منابع مشابه
Synonymous codon usage in bacteria.
In most bacteria, synonymous codons are not used with equal frequencies. Different factors have been proposed to contribute to codon usage preference, including translational selection, GC composition, strand-specific mutational bias, amino acid conservation, protein hydropathy, transcriptional selection and even RNA stability. The review discusses these factors and their contribution to bias i...
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Legumes played central roles in the development of agriculture and civilization, and today account for approximately one-third of the world's primary crop production. Unfortunately, most cultivated legumes are poor model systems for genomic research. Therefore, Medicago truncatula, which has a relatively small diploid genome, has been adopted as a model species for legume genomics. To enhance i...
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The vast amount of data generated by genome projects and the recent development of population genetics models make comparative sequence analyses a very powerful approach with which to detect the footprints of selection. Studies on synonymous codon usage show that traits with minuscule phenotypic effects can be molded by natural selection. But variations in mutation patterns and processes of bia...
متن کاملSynonymous Codon Usage Controls Various Molecular Aspects
Synonymous sites are generally considered to be functionally neutral. However, there are recent contradictory findings suggesting that synonymous alleles might have functional roles in various molecular aspects. For instance, a recent study demonstrated that synonymous single nucleotide polymorphisms have a similar effect size as nonsynonymous single nucleotide polymorphisms in human disease as...
متن کاملSynonymous codon usage and selection on proteins
Selection pressures on proteins are usually measured by comparing homologous nucleotide sequences (Zuckerkandl and Pauling 1965). Recently we introduced a novel method, termed `volatility', to estimate selection pressures on protein sequences from their synonymous codon usage (Plotkin and Dushoff 2003, Plotkin et al 2004a). Here we provide a theoretical foundation for this approach. We derive t...
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ژورنال
عنوان ژورنال: Journal of Integrative Agriculture
سال: 2018
ISSN: 2095-3119
DOI: 10.1016/s2095-3119(18)61961-6