期刊
TRENDS IN GENETICS
卷 26, 期 6, 页码 243-247出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tig.2010.03.002
关键词
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资金
- Portuguese Foundation for Science and Technology [POCI 2010]
- Packard Fellowship for Science and Engineering
- National Institutes of Health [R0IGM065429-0IA1, R0IGM078070-0IAI]
Copy number variants (CNVs) underlie several genomic disorders and are a major source of genetic innovation. Consequently, any bias affecting their placement in the genome will impact our understanding of human disease and genome evolution. Here we report a mutational bias affecting CNVs that generates different probabilities of duplication and deletion across the genome in association with DNA replication time. We show that this mutational bias has important consequences for genome evolution by leading to different probabilities of gene duplication for different classes of genes and by linking the probability of gene duplication with the transcriptional activity of genes.
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