Unconditional versus condition-dependent social immunity.

Autor: Cremer S; ISTA (Institute of Science and Technology Austria), Klosterneuburg, Austria. Electronic address: sylvia.cremer@ist.ac.at., Pull CD; Department of Biology, University of Oxford, Oxford, UK. Electronic address: chris.pull@gmail.com.
Jazyk: angličtina
Zdroj: Trends in parasitology [Trends Parasitol] 2024 Sep; Vol. 40 (9), pp. 780-787. Date of Electronic Publication: 2024 Aug 15.
DOI: 10.1016/j.pt.2024.07.014
Abstrakt: Socially living animals can counteract disease through cooperative defences, leading to social immunity that collectively exceeds the sum of individual defences. In superorganismal colonies of social insects with permanent caste separation between reproductive queen(s) and nonreproducing workers, workers are obligate altruists and thus engage in unconditional social immunity, including highly specialised and self-sacrificial hygiene behaviours. Contrastingly, cooperation is facultative in cooperatively breeding families, where all members are reproductively totipotent but offspring transiently forgo reproduction to help their parents rear more siblings. Here, helpers should either express condition-dependent social immunity or disperse to pursue independent reproduction. We advocate inclusive fitness theory as a framework to predict when and how indirect fitness gains may outweigh direct fitness costs, thus favouring conditional social immunity.
Competing Interests: Declaration of interests The authors declare no competing interests.
(Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.)
Databáze: MEDLINE
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