4.5 Article

Evolution of chemical interactions between ants and their mutualist partners

Journal

CURRENT OPINION IN INSECT SCIENCE
Volume 52, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.cois.2022.100943

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Funding

  1. Hyogo Science and Technology Association [JP18H02512, JP16K14865]
  2. Inamori Foundation
  3. Japan Society for the Promotion of Science (JSPS) KAKENHI

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In this review, the author discusses how chemical communication based on condition-dependent signaling and recognition plasticity regulates the payoff in mutualistic associations. The selfishness of participants explains signaling and communication, contributing to the stability of these mutualisms. Future research on ant collective behavior, genetic and neural basis of cooperation, and a deeper understanding of the costs and benefits of these interactions will help uncover the origin and maintenance of ant mutualistic associations.
Mutualism is the reciprocal exploitation of interacting participants and is vulnerable to nonrewarding cheating. Ants are dominant insects in most terrestrial ecosystems, and some aphids and lycaenid butterfly species provide them with nutritional nectar rewards and employ ants as bodyguards. In this review, I discuss how chemical communication based on condition-dependent signaling and recognition plasticity regulate the payoff of interacting participants. I argue that the selfishness of both participants explains the signaling and communication among participants and contributes to the stability of these mutualisms. Uncovering the origin and maintenance of mutualistic association of ants will come from future research on ant collective behavior, the genetic and neural basis of cooperation, and a deeper understanding of the costs and benefits of these interactions.

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