Publikation:

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

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2021

Autor:innen

Bernardes, Joana
John, Uwe
Woltermann, Noemi
Valiadi, Martha

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http://nbn-resolving.de/urn:nbn:de:bsz:352-2-da7hwppc6fxl4
DOI (zitierfähiger Link)
https://doi.org/10.1038/s41467-021-24503-z
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Open Access Gold

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Biologie: Publikationen
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Published

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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.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
570 Biowissenschaften, Biologie

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ISO 690BERNARDES, 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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