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Transient structural variations have strong effects on quantitative traits and reproductive isolation in fission yeast

Jeffares, DC; Jolly, C; Hoti, M; Speed, D; Shaw, L; Rallis, C; Balloux, F; ... Sedlazeck, FJ; + view all (2017) Transient structural variations have strong effects on quantitative traits and reproductive isolation in fission yeast. Nature Communications , 8 , Article 14061. 10.1038/ncomms14061. Green open access

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Abstract

Large structural variations (SVs) within genomes are more challenging to identify than smaller genetic variants but may substantially contribute to phenotypic diversity and evolution. We analyse the effects of SVs on gene expression, quantitative traits and intrinsic reproductive isolation in the yeast Schizosaccharomyces pombe. We establish a high-quality curated catalogue of SVs in the genomes of a worldwide library of S. pombe strains, including duplications, deletions, inversions and translocations. We show that copy number variants (CNVs) show a variety of genetic signals consistent with rapid turnover. These transient CNVs produce stoichiometric effects on gene expression both within and outside the duplicated regions. CNVs make substantial contributions to quantitative traits, most notably intracellular amino acid concentrations, growth under stress and sugar utilization in winemaking, whereas rearrangements are strongly associated with reproductive isolation. Collectively, these findings have broad implications for evolution and for our understanding of quantitative traits including complex human diseases.

Type: Article
Title: Transient structural variations have strong effects on quantitative traits and reproductive isolation in fission yeast
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1038/ncomms14061
Publisher version: http://dx.doi.org/10.1038/ncomms14061
Language: English
Additional information: This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
Keywords: Genome informatics, Genomics, Quantitative trait, Structural variation
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Genetics, Evolution and Environment
URI: https://discovery.ucl.ac.uk/id/eprint/1538412
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