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Phylogenetic Timing of the Fish-Specific Genome Duplication Correlates with the Diversification of Teleost Fish
For many genes, ray-finned fish (Actinopterygii) have two paralogous copies, where only one ortholog is present in tetrapods. The discovery of an additional, almost-complete set of Hox clusters inExpand
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Genome duplication, a trait shared by 22000 species of ray-finned fish.
Through phylogeny reconstruction we identified 49 genes with a single copy in man, mouse, and chicken, one or two copies in the tetraploid frog Xenopus laevis, and two copies in zebrafish (DanioExpand
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Duplication and divergence: the evolution of new genes and old ideas.
Over 35 years ago, Susumu Ohno stated that gene duplication was the single most important factor in evolution. He reiterated this point a few years later in proposing that without duplicated genesExpand
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Comparative genomics provides evidence for an ancient genome duplication event in fish.
There are approximately 25 000 species in the division Teleostei and most are believed to have arisen during a relatively short period of time ca. 200 Myr ago. The discovery of 'extra' Hox geneExpand
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A genomic view of the sea urchin nervous system.
The sequencing of the Strongylocentrotus purpuratus genome provides a unique opportunity to investigate the function and evolution of neural genes. The neurobiology of sea urchins is of particularExpand
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The spotted gar genome illuminates vertebrate evolution and facilitates human-to-teleost comparisons
To connect human biology to fish biomedical models, we sequenced the genome of spotted gar (Lepisosteus oculatus), whose lineage diverged from teleosts before teleost genome duplication (TGD). TheExpand
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Abstract Well-studied model systems present ideal opportunities to understand the relative roles of contemporary selection versus historical processes in determining population differentiation andExpand
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The polyphenol oxidase gene family in land plants: Lineage-specific duplication and expansion
BackgroundPlant polyphenol oxidases (PPOs) are enzymes that typically use molecular oxygen to oxidize ortho-diphenols to ortho-quinones. These commonly cause browning reactions following tissueExpand
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Opsin gene duplication and divergence in ray-finned fish.
Opsin gene sequences were first reported in the 1980s. The goal of that research was to test the hypothesis that human opsins were members of a single gene family and that variation in human colorExpand
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Mitogenomics and the sister of Salmonidae
Salmon, trout, char, grayling, whitefish and ciscoes are all members of Family Salmonidae and, whilst the monophyly of this group is not in doubt, determining which fishes are their closest relativesExpand
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