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  Evolving social behavior through selection of single-cell adhesion in Dictyostelium discoideum

Adiba, S., Forget, M., & De Monte, S. (2022). Evolving social behavior through selection of single-cell adhesion in Dictyostelium discoideum. iScience, 25: 105006. doi:10.1016/j.isci.2022.105006.

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 Creators:
Adiba, Sandrine, Author
Forget, Mathieu1, Author           
De Monte, Silvia2, Author           
Affiliations:
1Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445641              
2Research Group Dynamics of Microbial Collectives, Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_3016582              

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Free keywords: Evolution of social behavior; Multicellularity; Evolutionary biology; Adhesion; Experimental evolution
 Abstract: The social amoeba Dictyostelium discoideum commonly forms chimeric fruiting bodies. Genetic variants that produce a higher proportion of spores are predicted to undercut multicellular organization unless cooperators assort positively. Cell adhesion is considered a primary factor driving such assortment, but evolution of adhesion has not been experimentally connected to changes in social performance. We modified by experimental evolution the efficiency of individual cells in attaching to a surface. Surprisingly, evolution appears to have produced social cooperators irrespective of whether stronger or weaker adhesion was selected. Quantification of reproductive success, cell-cell adhesion, and developmental patterns, however, revealed two distinct social behaviors, as captured when the classical metric for social success is generalized by considering clonal spore production. Our work shows that cell mechanical interactions can constrain the evolution of development and sociality in chimeras and that elucidation of proximate mechanisms is necessary to understand the ultimate emergence of multicellular organization.

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Language(s): eng - English
 Dates: 2022-06-092022-01-282022-08-192022-08-252022
 Publication Status: Issued
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 Identifiers: DOI: 10.1016/j.isci.2022.105006
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Title: iScience
Source Genre: Journal
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Publ. Info: Amsterdam ; Bosten ; London ; New York ; Oxford ; Paris ; Philadelphia ; San Diego ; St. Louis : Elsevier
Pages: - Volume / Issue: 25 Sequence Number: 105006 Start / End Page: - Identifier: ISSN: 2589-0042
CoNE: https://pure.mpg.de/cone/journals/resource/2589-0042