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  Evolution of reproductive strategies in incipient multicellularity

Gao, Y., Pichugin, Y., Gokhale, C. S., & Traulsen, A. (2022). Evolution of reproductive strategies in incipient multicellularity. Interface: Journal of the Royal Society, 19(188): 20210716. doi:10.1098/rsif.2021.0716.

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 Creators:
Gao, Yuanxiao1, Author              
Pichugin, Yuriy1, 2, Author              
Gokhale, Chaitanya S.3, Author              
Traulsen, Arne1, Author              
Affiliations:
1Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_1445641              
2External Organizations, ou_persistent22              
3Research Group Theoretical Models of Eco-Evolutionary Dynamics, Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_2355692              

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 Abstract: Multicellular organisms potentially show a large degree of diversity in reproductive strategies, producing offspring with varying sizes and compositions compared to their unicellular ancestors. In reality, only a few of these reproductive strategies are prevalent. To understand why this could be the case, we develop a stage-structured population model to probe the evolutionary growth advantages of reproductive strategies in incipient multicellular organisms. The performance of reproductive strategies is evaluated by the growth rates of the corresponding populations. We identify the optimal reproductive strategy, leading to the largest growth rate for a population. Considering the effects of organism size and cellular interaction, we found that distinct reproductive strategies could perform uniquely or equally well under different conditions. If a single reproductive strategy is optimal, it is binary splitting, dividing into two parts. Our results show that organism size and cellular interaction can play crucial roles in shaping reproductive strategies in nascent multicellularity. Our model sheds light on understanding the mechanism driving the evolution of reproductive strategies in incipient multicellularity. Beyond multicellularity, our results imply that a crucial factor in the evolution of unicellular species’ reproductive strategies is organism size.

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Language(s): eng - English
 Dates: 2021-09-102022-02-022022-03-022022-03
 Publication Status: Published in print
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 Table of Contents: -
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 Identifiers: DOI: 10.1098/rsif.2021.0716
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Title: Interface : Journal of the Royal Society
  Other : J. R. Soc. Interface
Source Genre: Journal
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Publ. Info: London : Royal Society
Pages: - Volume / Issue: 19 (188) Sequence Number: 20210716 Start / End Page: - Identifier: ISSN: 1742-5689
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000018840_1