Researchers led by Uppsala University's Matthew Webster present their study of copy-number variation in dogs in Genome Biology this week. Using high-density array CGH, they assayed CNVs in 50 purebred dogs from 17 breeds as well as three wolves and found 430 CNVs near 413 annotated genes. The researchers further write that the CNVs have a strong phylogenetic signal, though most are found in multiple breeds, and elevated GC content.

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In Science this week: combining genomics and ecology to better understand the effects of natural selection on evolution, and more.