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Journal Article

The possible modes of microbial reproduction are fundamentally restricted by distribution of mass between parent and offspring

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Pichugin,  Yuriy
Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Traulsen,  Arne
Department Evolutionary Theory, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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pnas.202122197.pdf
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Citation

Pichugin, Y., & Traulsen, A. (2022). The possible modes of microbial reproduction are fundamentally restricted by distribution of mass between parent and offspring. Proceedings of the National Academy of Sciences of the United States of America, 119(12): e2122197119. doi:10.1073/pnas.2122197119.


Cite as: https://hdl.handle.net/21.11116/0000-000A-2A67-4
Abstract
SignificanceCells and simple cell colonies reproduce by fragmenting their bodies into pieces. Produced newborns need to grow before they can reproduce again. How big a cell or a cell colony should grow? How many offspring should be produced? Should they be of equal size or diverse? We show that the simple fact that the immediate mass of offspring cannot exceed the mass of parents restricts possible answers to these questions. For example, our theory states that, when mass is conserved in the course of fragmentation, the evolutionarily optimal reproduction mode is fragmentation into exactly two, typically equal, parts. Our theory also shows conditions which promote evolution of asymmetric division or fragmentation into multiple pieces.