Publikation:

The sterlet sturgeon genome sequence and the mechanisms of segmental rediploidization

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Du_2-1ij4yleoj6sqb7.pdf
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Datum

2020

Autor:innen

Du, Kang
Stöck, Matthias
Kneitz, Susanne
Klopp, Christophe
Adolfi, Mateus Contar
Feron, Romain
Prokopov, Dmitry
Schartl, Manfred
et al.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-2-1ij4yleoj6sqb7
DOI (zitierfähiger Link)
https://doi.org/10.1038/s41559-020-1166-x
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CC BY 4.0

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Open Access-Veröffentlichung
Open Access Hybrid

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Biologie: Publikationen
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Published

Erschienen in

Nature Ecology & Evolution. Springer Nature. 2020, 4(6), S. 841-852. eISSN 2397-334X. Verfügbar unter: doi: 10.1038/s41559-020-1166-x

Zusammenfassung

Sturgeons seem to be frozen in time. The archaic characteristics of this ancient fish lineage place it in a key phylogenetic position at the base of the ~30,000 modern teleost fish species. Moreover, sturgeons are notoriously polyploid, providing unique opportunities to investigate the evolution of polyploid genomes. We assembled a high-quality chromosome-level reference genome for the sterlet, Acipenser ruthenus. Our analysis revealed a very low protein evolution rate that is at least as slow as in other deep branches of the vertebrate tree, such as that of the coelacanth. We uncovered a whole-genome duplication that occurred in the Jurassic, early in the evolution of the entire sturgeon lineage. Following this polyploidization, the rediploidization of the genome included the loss of whole chromosomes in a segmental deduplication process. While known adaptive processes helped conserve a high degree of structural and functional tetraploidy over more than 180 million years, the reduction of redundancy of the polyploid genome seems to have been remarkably random.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
570 Biowissenschaften, Biologie

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ISO 690DU, Kang, Matthias STÖCK, Susanne KNEITZ, Christophe KLOPP, Joost M. WOLTERING, Mateus Contar ADOLFI, Romain FERON, Dmitry PROKOPOV, Axel MEYER, Manfred SCHARTL, 2020. The sterlet sturgeon genome sequence and the mechanisms of segmental rediploidization. In: Nature Ecology & Evolution. Springer Nature. 2020, 4(6), S. 841-852. eISSN 2397-334X. Verfügbar unter: doi: 10.1038/s41559-020-1166-x
BibTex
@article{Du2020-06sterl-49209,
  year={2020},
  doi={10.1038/s41559-020-1166-x},
  title={The sterlet sturgeon genome sequence and the mechanisms of segmental rediploidization},
  number={6},
  volume={4},
  journal={Nature Ecology & Evolution},
  pages={841--852},
  author={Du, Kang and Stöck, Matthias and Kneitz, Susanne and Klopp, Christophe and Woltering, Joost M. and Adolfi, Mateus Contar and Feron, Romain and Prokopov, Dmitry and Meyer, Axel and Schartl, Manfred}
}
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