Indirect Genetic Effects

Rodrı́guez, Rafael L.; Rebar, Darren; Bailey, Nathan W.

doi:10.1016/b978-0-12-809633-8.90048-7

Cited by 2 publications

(3 citation statements)

References 56 publications

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“…Fourth, effects from the maternal social environment likely interact with additive and non-additive components of direct and indirect genetic variations in mothers and offspring (i.e. as formalized in interacting phenotypes theory: [2,3,6,7,21,62]). These effects may further interact with non-genetic paternal effects (e.g.…”

Section: Discussionmentioning

confidence: 99%

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Effects of the maternal social environment on the mating signals and mate preferences of adult offspring in Enchenopa treehoppers

Little,

Lindemann,

Rodríguez

2024

Proc. R. Soc. B.

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Much is known about how the maternal environment can shape offspring traits via intergenerational effects. It is less clear, however, whether such effects may reach adult offspring sexual traits, with potential consequences for sexual selection and speciation. Here, we report effects of adult female aggregation density on the mating signals and mate preferences of their offspring in an insect that communicates via plant-borne vibrational signals. We experimentally manipulated the density of aggregations experienced by egg-laying mothers, reared the offspring in standard densities, and tested for corresponding differences in their signals and preferences. We detected a strong effect in male signals, with sons of mothers that experienced low aggregation density signalling more. We also detected a weak effect on female mate preferences, with daughters of mothers that experienced low aggregation density being less selective. These adjustments may help males and females find mates and secure matings in low densities, if the conditions they encounter correspond to those their mothers experienced. Our results thus extend theory regarding adjustments to the social environment to the scale of intergenerational effects, with maternal social environments influencing the expression of the sexual traits of adult offspring.

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Section: Discussionmentioning

confidence: 99%

“…Social environments constitute important causes of variation in animal behaviour and other phenotypes, including those associated with courtship and mate choice [1][2][3][4][5][6][7][8][9][10][11][12][13]. These social influences are not limited to the generation in which they are experienced.…”

Section: Introductionmentioning

confidence: 99%

Effects of the maternal social environment on the mating signals and mate preferences of adult offspring in Enchenopa treehoppers

Little,

Lindemann,

Rodríguez

2024

Proc. R. Soc. B.

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“…2018; Rodríguez et al. 2018a). Understanding the evolutionary impacts of social plasticity, therefore, requires analyzing these feedback loops between the causes of variation and the causes and targets of selection.…”

Section: Hypothesis Evolutionary Consequences Effect Of Effect Type Prediction For Best Rescue Of Group‐reared Adult Mate Preference Phementioning

confidence: 99%

Juvenile social experience and practice have a switch‐like influence on adult mate preferences in an insect

2021

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Social causes of variation in animal communication systems have important evolutionary consequences, including speciation. The relevance of these effects depends on how widespread they are among animals. There is evidence for such effects not only in birds and mammals, but also frogs and some insects and spiders. Here, we analyze the social ontogeny of adult mate preferences in an insect, Enchenopa treehoppers. In these communal plant‐feeding insects, individuals reared in isolation or in groups differ in their mate preferences, and the group‐reared phenotype can be rescued by playbacks to isolation‐reared individuals. We ask about the relative role of signaling experience and signaling practice during ontogeny on the development of adult mating preferences in Enchenopa females. Taking advantage of variation in the signal experience and signaling practice of isolation‐reared individuals, we find switch‐like effects for experience and practice on female mate preference phenotypes, with individuals having some experience and practice as juveniles best rescuing the group‐reared preference phenotype. We discuss how understanding the nature and distribution of social‐ontogenetic causes of variation in mate preferences and other sexual traits will bring new insights into how within‐ and between‐population variation influences the evolution of communication systems.

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Indirect Genetic Effects

Cited by 2 publications

References 56 publications

Effects of the maternal social environment on the mating signals and mate preferences of adult offspring in Enchenopa treehoppers

Effects of the maternal social environment on the mating signals and mate preferences of adult offspring in Enchenopa treehoppers

Juvenile social experience and practice have a switch‐like influence on adult mate preferences in an insect

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