Insights into Sex Chromosome Evolution and Aging from the Genome of a 
Short-Lived Fish.

Reichwald, Kathrin; Petzold, Andreas; Koch, Philipp; Downie, Bryan R; Hartmann, Nils; Pietsch, Stefan; Baumgart, Mario; Chalopin, Domitille; Felder, Marius; Bens, Martin; Sahm, Arne; Szafranski, Karol; Taudien, Stefan; Groth, Marco; Arisi, Ivan; Weise, Anja; Bhatt, Samarth S; Sharma, Virag; Kraus, Johann M; Schmid, Florian; Priebe, Steffen; Liehr, Thomas; Görlach, Matthias; Than, Manuel E; Hiller, Michael; Kestler, Hans A; Volff, Jean-Nicolas; Schartl, Manfred; Cellerino, Alessandro; Englert, Christoph; Platzer, Matthias

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Insights into Sex Chromosome Evolution and Aging from the Genome of a Short-Lived Fish.

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Weise, Anja
Max Planck Society;

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Sharma, Virag
Max Planck Institute of Molecular Cell Biology and Genetics, Max Planck Society;

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Hiller, Michael
Max Planck Institute of Molecular Cell Biology and Genetics, Max Planck Society;

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Citation

Reichwald, K., Petzold, A., Koch, P., Downie, B. R., Hartmann, N., Pietsch, S., et al. (2015). Insights into Sex Chromosome Evolution and Aging from the Genome of a Short-Lived Fish. Cell, 163(6), 1527-1538.

Cite as: https://hdl.handle.net/21.11116/0000-0001-0450-0

Abstract

The killifish Nothobranchius furzeri is the shortest-lived vertebrate that can be bred in the laboratory. Its rapid growth, early sexual maturation, fast aging, and arrested embryonic development (diapause) make it an attractive model organism in biomedical research. Here, we report a draft sequence of its genome that allowed us to uncover an intra-species Y chromosome polymorphism representing-in real time-different stages of sex chromosome formation that display features of early mammalian XY evolution "in action." Our data suggest that gdf6Y, encoding a TGF-β family growth factor, is the master sex-determining gene in N. furzeri. Moreover, we observed genomic clustering of aging-related genes, identified genes under positive selection, and revealed significant similarities of gene expression profiles between diapause and aging, particularly for genes controlling cell cycle and translation. The annotated genome sequence is provided as an online resource (http://www.nothobranchius.info/NFINgb).