Publikation:

Are all fishes ancient polyploids?

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P138.pdf
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2003

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Peer, Yves van de
Taylor, John S.

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Published

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Journal of Structural and Functional Genomics. 2003, 3(1-4), pp. 65-73. ISSN 1345-711X. Available under: doi: 10.1023/A:1022652814749

Zusammenfassung

Euteleost fishes seem to have more copies of many genes than their tetrapod relatives. Three different mechanisms could explain the origin of these extra fish genes. The duplicates may have been produced during a fishspecific genome duplication event. A second explanation is an increased rate of independent gene duplications in fish. A third possibility is that after gene or genome duplication events in the common ancestor of fish and tetrapods, the latter lost more genes. These three hypotheses have been tested by phylogenetic tree reconstruction. Phylogenetic analyses of sequences from human, mouse, chicken, frog (Xenopus laevis), zebrafish (Danio rerio) and pufferfish (Takifugu rubripes) suggest that ray-finned fishes are likely to have undergone a whole genome duplication event between 200 and 450 million years ago. We also comment here on the evolutionary consequences of this ancient genome duplication.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
570 Biowissenschaften, Biologie

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genome duplication, gene evolution, subfunctionalization

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ISO 690PEER, Yves van de, John S. TAYLOR, Axel MEYER, 2003. Are all fishes ancient polyploids?. In: Journal of Structural and Functional Genomics. 2003, 3(1-4), pp. 65-73. ISSN 1345-711X. Available under: doi: 10.1023/A:1022652814749
BibTex
@article{Peer2003fishe-7055,
  year={2003},
  doi={10.1023/A:1022652814749},
  title={Are all fishes ancient polyploids?},
  number={1-4},
  volume={3},
  issn={1345-711X},
  journal={Journal of Structural and Functional Genomics},
  pages={65--73},
  author={Peer, Yves van de and Taylor, John S. and Meyer, Axel}
}
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