« Previous AbstractShort-term effect of beach replenishment on a shallow Posidonia oceanica meadow    Next AbstractSeparation of Volatile Organic Compounds in TAMOF-1 »

J Evol Biol

Title:		Stable eusociality via maternal manipulation when resistance is costless
Author(s):		Gonzalez-Forero M;
Address:		"Department of Ecology and Evolutionary Biology, National Institute for Mathematical and Biological Synthesis (NIMBioS), University of Tennessee, Knoxville, TN, USA. Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland"
Journal Title:		J Evol Biol
Year:		2015
Volume:		20151005
Issue:		12
Page Number:		2208 - 2223
DOI:		10.1111/jeb.12744
ISSN/ISBN:		1420-9101 (Electronic) 1010-061X (Print) 1010-061X (Linking)
Abstract:		"In many eusocial species, queens use pheromones to influence offspring to express worker phenotypes. Although evidence suggests that queen pheromones are honest signals of the queen's reproductive health, here I show that queen's honest signalling can result from ancestral maternal manipulation. I develop a mathematical model to study the coevolution of maternal manipulation, offspring resistance to manipulation and maternal resource allocation. I assume that (i) maternal manipulation causes offspring to be workers against offspring's interests; (ii) offspring can resist at no direct cost, as is thought to be the case with pheromonal manipulation; and (iii) the mother chooses how much resource to allocate to fertility and maternal care. In the coevolution of these traits, I find that maternal care decreases, thereby increasing the benefit that offspring obtain from help, which in the long run eliminates selection for resistance. Consequently, ancestral maternal manipulation yields stable eusociality despite costless resistance. Additionally, ancestral manipulation in the long run becomes honest signalling that induces offspring to help. These results indicate that both eusociality and its commonly associated queen honest signalling can be likely to originate from ancestral manipulation"
Keywords:		Animals Female Pheromones *Social Behavior altruism maternal effects parent-offspring conflict pheromone;
Notes:		"MedlineGonzalez-Forero, M eng R01 GM056693/GM/NIGMS NIH HHS/ GM-56693/GM/NIGMS NIH HHS/ Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Switzerland 2015/09/06 J Evol Biol. 2015 Dec; 28(12):2208-23. doi: 10.1111/jeb.12744. Epub 2015 Oct 5"