Are all fishes ancient polyploids?

Peer, Yves van de; Taylor, John S.; Meyer, Axel

Are all fishes ancient polyploids?

Dateien

P138.pdfGröße: 295.81 KBDownloads: 413

Datum

2003

Autor:innen

Peer, Yves van de

Taylor, John S.

Meyer, Axel

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

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.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

genome duplication, gene evolution, subfunctionalization

Zitieren

ISO 690

PEER, 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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    <dcterms:abstract xml:lang="eng">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.</dcterms:abstract>
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