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Shearing in flow environment promotes evolution of social behavior in microbial populations

From Complex Time
Category
General Reference
author-supplied keywords
keywords
evolution of cooperation
fluid dynamics
authors
Gurdip Uppal
Dervis Can Vural
title
Shearing in flow environment promotes evolution of social behavior in microbial populations
type
journal
year
2018
source
eLife
volume
7
publisher
eLife Sciences Publications Ltd
link
https://www.mendeley.com/catalogue/812cf88b-9be8-3fde-8aea-f89307f7c7bc/(0)

Abstract

How producers of public goods persist inmicrobial communities is amajor question in 8 evolutionary biology. Cooperation is evolutionarily unstable, since cheating strains can reproduce 9 quicker and take over. Spatial structure has been shown to be a robustmechanism for the 0 1 evolution of cooperation. Here we study how spatial assortmentmight emerge from native 1 1 dynamics and show that fluid flow shear promotes cooperative behavior. Social structures arise 2 1 naturally from our advection-diffusion-reactionmodel as self-reproducing Turing patterns. We 13 computationally study the effects of fluid advection on these patterns as amechanism to enable or 4 1 enhance social behavior. Our central finding is that flow shear enables and promotes social 5 1 behavior inmicrobes by increasing the group fragmentation rate and thereby limiting the spread of 6 1 cheating strains. Regions of the flow domain with higher shear admit high cooperativity and large 7 1 population density, whereas low shear regions are devoid of life due to opportunisticmutations.

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Identifiers

  • doi: 10.7554/eLife.34862 (Google search)
  • issn: 2050084X
  • sgr: 85051941999
  • pmid: 29785930
  • arxiv: arXiv:1710.02762v1
  • scopus: 2-s2.0-85051941999
  • pui: 623531372

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