منابع مشابه
GC - content evolution in bacterial genomes : the biased gene conversion
20. CC-BY-NC-ND 4.0 International license peer-reviewed) is the author/funder. It is made available under a The copyright holder for this preprint (which was not. Abstract The characterization of functional elements in genomes relies on the identification of the footprints of natural selection. In this quest, taking into account neutral evolutionary processes 25 such as mutation and genetic dri...
متن کاملAnalytical Biases Associated with GC-Content in Molecular Evolution
Molecular evolution is being revolutionized by high-throughput sequencing allowing an increased amount of genome-wide data available for multiple species. While base composition summarized by GC-content is one of the first metrics measured in genomes, its genomic distribution is a frequently neglected feature in downstream analyses based on DNA sequence comparisons. Here, we show how base compo...
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Terrestrial productivity today is regulated by stomatal movements, but this has only been the case since “stomatophytes” became dominant on the land 390 million years ago. In this review,we examine evidence for the functionof early stomata, foundonor near the reproductive structures of bryophyte-like fossils, and consider how this function may have changed through time as vascular plants evolve...
متن کاملLinguistic mechanism of the evolution of amino acid frequencies and genomic GC content
Much information is stored in amino acid composition of protein and base composition of DNA. We simulated the evolution of amino acid frequencies and genomic GC content by a linguistic model. It is showed that the evolution of genetic code determines the evolution of amino acid frequencies and genomic GC content. We explained the relationships among amino acid frequencies, genomic GC content an...
متن کاملRecombination drives the evolution of GC-content in the human genome.
Unraveling the evolutionary forces responsible for variations of neutral substitution patterns among taxa or along genomes is a major issue in the identification of functional sequence features. Mammalian genomes show large-scale regional variations of GC-content (the isochores), but the substitution processes at the origin of this structure are poorly understood. We have analyzed the pattern o...
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ژورنال
عنوان ژورنال: Science
سال: 2015
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.347.6220.385-f