The evolution of convex trade-offs enables the transition towards multicellularity

Bernardes, Joana; John, Uwe; Woltermann, Noemi; Valiadi, Martha; Hermann, Ruben Joseph; Becks, Lutz

The evolution of convex trade-offs enables the transition towards multicellularity

Dateien

Bernardes_2-da7hwppc6fxl4.pdfGröße: 2.25 MBDownloads: 117

Datum

2021

Autor:innen

Bernardes, Joana

John, Uwe

Woltermann, Noemi

Valiadi, Martha

Hermann, Ruben Joseph

Becks, Lutz

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Nature Communications. Nature Publishing Group. 2021, 12(1), 4222. eISSN 2041-1723. Available under: doi: 10.1038/s41467-021-24503-z

Zusammenfassung

The evolutionary transition towards multicellular life often involves growth in groups of undifferentiated cells followed by differentiation into soma and germ-like cells. Theory predicts that germ soma differentiation is facilitated by a convex trade-off between survival and reproduction. However, this has never been tested and these transitions remain poorly understood at the ecological and genetic level. Here, we study the evolution of cell groups in ten isogenic lines of the unicellular green algae Chlamydomonas reinhardtii with prolonged exposure to a rotifer predator. We confirm that growth in cell groups is heritable and characterized by a convex trade-off curve between reproduction and survival. Identical mutations evolve in all cell group isolates; these are linked to survival and reducing associated cell costs. Overall, we show that just 500 generations of predator selection were sufficient to lead to a convex trade-off and incorporate evolved changes into the prey genome.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Zitieren

ISO 690

BERNARDES, Joana, Uwe JOHN, Noemi WOLTERMANN, Martha VALIADI, Ruben Joseph HERMANN, Lutz BECKS, 2021. The evolution of convex trade-offs enables the transition towards multicellularity. In: Nature Communications. Nature Publishing Group. 2021, 12(1), 4222. eISSN 2041-1723. Available under: doi: 10.1038/s41467-021-24503-z

BibTex

@article{Bernardes2021-12evolu-54179,
  year={2021},
  doi={10.1038/s41467-021-24503-z},
  title={The evolution of convex trade-offs enables the transition towards multicellularity},
  number={1},
  volume={12},
  journal={Nature Communications},
  author={Bernardes, Joana and John, Uwe and Woltermann, Noemi and Valiadi, Martha and Hermann, Ruben Joseph and Becks, Lutz},
  note={Article Number: 4222}
}

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